![\"Tent](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2022\/08\/Eastern-tent-caterpillars-in-tent-1080x675.jpg\")
<\/a><\/figure>Tent caterpillars<\/h2><\/div><\/div>Tent caterpillars\nOrder: LepidopteraFamilies: Erebidae, Lasiocampidae\nDescription and life history\nTent caterpillars, Malacosoma spp.\nAdults are generally a yellowish-brown color with faint ...<\/div><\/article>![\"Spotted](\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\")
<\/a><\/figure>Spotted lanternfly<\/h2><\/div><\/div>Spotted lanternfly, Lycorma delicatula\nOrder: HemipteraFamily: Fulgoridae\nDescription and life history\nSpotted lanternfly (SLF) is an invasive polyphagous planthopper native to Asia, ...<\/div><\/article><\/a><\/figure>Spongy moth<\/h2><\/div><\/div>Spongy moth, Lymantria dispar\r\nOrder: Lepidoptera\r\nFamily: Erebidae\r\nDescription\r\nMale moths have a wingspan of about 3.8 cm (1.5 inches), while females have a wingspan of up to 8.9 cm (3.5 ...<\/div><\/article><\/a><\/figure>Spider mites in shade trees<\/h2><\/div><\/div>Spider mites in shade trees\nOrder: AcariFamily: Tetranychidae\nDescription and life history\nSpruce spider mite,\u00a0Oligonychus ununguis\u00a0\nThe spruce spider mite is a native pest of spruce and ...<\/div><\/article><\/a><\/figure>Shade tree borers<\/h2><\/div><\/div>Shade tree borers\nOrders: Coleoptera, Lepidoptera, Hymenoptera\nDescription and life history\nMany different insects are classified as wood borers, including certain species of Coleoptera, ...<\/div><\/article><\/a><\/figure>Scale insects affecting conifers<\/h2><\/div><\/div>Scale insects affecting conifers\nOrder: HemipteraFamily: Coccidae, Diaspididae, Matsucoccidae\nDescription, life history, and host range\nSeveral scale insects can attack coniferous trees in ...<\/div><\/article><\/a><\/figure>Red turpentine beetle<\/h2><\/div><\/div>Red turpentine beetle,\u00a0Dendroctonus valens\r\nOrder: Coleoptera\r\nFamily: Curculionidae\r\nDescription\r\nThe red turpentine beetle is a native insect distributed throughout much of North and Central ...<\/div><\/article><\/a><\/figure>Pine tip moths<\/h2><\/div><\/div>Pine tip moths\nOrder: LepidopteraFamily: Tortricidae, Pyralidae\nDescription and life history\nSouthwestern pine tip moth\nThe southwestern pine tip moth (Rhyacionia neomexicana) is native to the ...<\/div><\/article><\/a><\/figure>Oystershell scale<\/h2><\/div><\/div>Oystershell scale, Lepidosaphes ulmi\nOrder: HempiteraFamily: Diaspididae\nDescription\nUnlike most insects, adult oystershell scales do not have legs, eyes, or antennae. Their appearance ...<\/div><\/article><\/a><\/figure>Mite pests of honeylocust<\/h2><\/div><\/div>Mite pests of honeylocust\nOrder: AcariFamily: Tetranychidae, Eriophyidae\nDescription and life history\nDifferent groups of mites can produce conspicuous feeding injuries on honeylocust ...<\/div><\/article><\/a><\/figure>Locust borer<\/h2><\/div><\/div>Locust borer, Megacyllene robiniae\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nLocust borer adults have brightly colored yellow markings and are about 19 mm (0.75 inch) long. The beetles ...<\/div><\/article><\/a><\/figure>Lilac borer<\/h2><\/div><\/div>Lilac borer, Podosesia syringae\nOrder: LepidopteraFamily: Sesiidae\nDescription\nUnlike most moth species, lilac borer adults are most active during the day. They resemble paper wasps (Poilstes ...<\/div><\/article><\/a><\/figure>Japanese beetle in ornamentals<\/h2><\/div><\/div>Japanese Beetle,\u00a0Popillia\u00a0japonica\nOrder: ColeopteraFamily: Scarabidae\nDescription\nThe adult Japanese beetle (order: Coleoptera, family: Scarabaeidae) has an oval body and is about 15 mm (3\/5 ...<\/div><\/article><\/a><\/figure>Ips beetles<\/h2><\/div><\/div>Ips beetles, Ips spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThere are 11 species of Ips spp. inhabiting Colorado: Ips hunteri, Ips pilifrons, Ips pini, Ips knausi, Ips ...<\/div><\/article><\/a><\/figure>Insect and mite galls<\/h2><\/div><\/div>Insect and mite galls\nOrders: Acari, Hemiptera, Hymenoptera, Diptera\nFamilies: Adelgidae, Agromyzidae, Aphalaridae, Aphididae, Eriophyidae, Cecidomyiidae, Cinipidae\nDescription and life ...<\/div><\/article><\/a><\/figure>Horntails<\/h2><\/div><\/div>Horntails,\u00a0Sirex spp.\nOrder: HymenopteraFamily: Siricidae\nDescription\nGenerally, horntail wasps are moderately large at about 37.5 mm (1.5 inches) and have broad heads with small eyes. Adult ...<\/div><\/article><\/a><\/figure>Honeylocust pod gall midge<\/h2><\/div><\/div>Honeylocust pod gall midge, Dasineura gleditchiae\nOrder: DipteraFamily: Cecidomyiidae\nDescription\nDasineura gleditchiae, commonly referred to as the \u201choney locust pod gall midge\u201d, is an ...<\/div><\/article><\/a><\/figure>Hawthorn mealybug<\/h2><\/div><\/div>Hawthorn mealybug,\u00a0Phenacoccus dearnessi\nOrder: HemipteraFamily: Pseudococcidae\nDescription\nThe hawthorn mealybug\u00a0is an introduced species in Colorado. It feeds on twigs and small branches of ...<\/div><\/article><\/a><\/figure>Giant conifer aphids<\/h2><\/div><\/div>Giant conifer aphids\nOrder: HemipteraFamily: Aphididae\nDescription\nCinara spp. are commonly referred to as giant conifer aphids and collectively feed on pines (Pinus spp.), juniper (Juniperus ...<\/div><\/article><\/a><\/figure>Gambel oak borer<\/h2><\/div><\/div>Gambel oak borer, Agrilus quercicola\nOrder: ColeopteraFamily: Buprestidae\nDescription\nThe Gambel oak borer is a native species of wood boring beetle found in forest stands of Gambel oak ...<\/div><\/article><\/a><\/figure>European elm scale<\/h2><\/div><\/div>European elm scale,\nEriococcus spuria\nOrder: Hemiptera\nFamily: Eriococcidae\nDescription\nAll scale insects undergo incomplete metamorphosis and have three life stages: egg, nymph, adult. These ...<\/div><\/article><\/a><\/figure>Eriophyid mites<\/h2><\/div><\/div>Eriophyid mites\nOrder: Acari\nFamily: Eriophyidae\nDescription\nAdults have cylindrical bodies that taper at both the head and rear. They are translucent white or yellow and have two pairs of legs ...<\/div><\/article><\/a><\/figure>Emerald ash borer<\/h2><\/div><\/div>Emerald ash borer, Agrillus\u00a0planipennis\nOrder: ColeopteraFamily: Buprestidae\nDescription\nEmerald ash borer, abbreviated EAB, is an invasive beetle that was first detected in Colorado in 2013. ...<\/div><\/article><\/a><\/figure>Elm leaf beetle<\/h2><\/div><\/div>Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Tent caterpillars\nOrder: LepidopteraFamilies: Erebidae, Lasiocampidae\nDescription and life history\nTent caterpillars, Malacosoma spp.\nAdults are generally a yellowish-brown color with faint ...<\/div><\/article><\/a><\/figure>Spotted lanternfly<\/h2><\/div>
![\"Spotted](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2022\/11\/SLF-adult-1080x675.jpg\")
<\/a><\/figure>Spotted lanternfly<\/h2><\/div><\/div>Spotted lanternfly, Lycorma delicatula\nOrder: HemipteraFamily: Fulgoridae\nDescription and life history\nSpotted lanternfly (SLF) is an invasive polyphagous planthopper native to Asia, ...<\/div><\/article><\/a><\/figure>Spongy moth<\/h2><\/div><\/div>Spongy moth, Lymantria dispar\r\nOrder: Lepidoptera\r\nFamily: Erebidae\r\nDescription\r\nMale moths have a wingspan of about 3.8 cm (1.5 inches), while females have a wingspan of up to 8.9 cm (3.5 ...<\/div><\/article><\/a><\/figure>Spider mites in shade trees<\/h2><\/div><\/div>Spider mites in shade trees\nOrder: AcariFamily: Tetranychidae\nDescription and life history\nSpruce spider mite,\u00a0Oligonychus ununguis\u00a0\nThe spruce spider mite is a native pest of spruce and ...<\/div><\/article><\/a><\/figure>Shade tree borers<\/h2><\/div><\/div>Shade tree borers\nOrders: Coleoptera, Lepidoptera, Hymenoptera\nDescription and life history\nMany different insects are classified as wood borers, including certain species of Coleoptera, ...<\/div><\/article><\/a><\/figure>Scale insects affecting conifers<\/h2><\/div><\/div>Scale insects affecting conifers\nOrder: HemipteraFamily: Coccidae, Diaspididae, Matsucoccidae\nDescription, life history, and host range\nSeveral scale insects can attack coniferous trees in ...<\/div><\/article><\/a><\/figure>Red turpentine beetle<\/h2><\/div><\/div>Red turpentine beetle,\u00a0Dendroctonus valens\r\nOrder: Coleoptera\r\nFamily: Curculionidae\r\nDescription\r\nThe red turpentine beetle is a native insect distributed throughout much of North and Central ...<\/div><\/article><\/a><\/figure>Pine tip moths<\/h2><\/div><\/div>Pine tip moths\nOrder: LepidopteraFamily: Tortricidae, Pyralidae\nDescription and life history\nSouthwestern pine tip moth\nThe southwestern pine tip moth (Rhyacionia neomexicana) is native to the ...<\/div><\/article><\/a><\/figure>Oystershell scale<\/h2><\/div><\/div>Oystershell scale, Lepidosaphes ulmi\nOrder: HempiteraFamily: Diaspididae\nDescription\nUnlike most insects, adult oystershell scales do not have legs, eyes, or antennae. Their appearance ...<\/div><\/article><\/a><\/figure>Mite pests of honeylocust<\/h2><\/div><\/div>Mite pests of honeylocust\nOrder: AcariFamily: Tetranychidae, Eriophyidae\nDescription and life history\nDifferent groups of mites can produce conspicuous feeding injuries on honeylocust ...<\/div><\/article><\/a><\/figure>Locust borer<\/h2><\/div><\/div>Locust borer, Megacyllene robiniae\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nLocust borer adults have brightly colored yellow markings and are about 19 mm (0.75 inch) long. The beetles ...<\/div><\/article><\/a><\/figure>Lilac borer<\/h2><\/div><\/div>Lilac borer, Podosesia syringae\nOrder: LepidopteraFamily: Sesiidae\nDescription\nUnlike most moth species, lilac borer adults are most active during the day. They resemble paper wasps (Poilstes ...<\/div><\/article><\/a><\/figure>Japanese beetle in ornamentals<\/h2><\/div><\/div>Japanese Beetle,\u00a0Popillia\u00a0japonica\nOrder: ColeopteraFamily: Scarabidae\nDescription\nThe adult Japanese beetle (order: Coleoptera, family: Scarabaeidae) has an oval body and is about 15 mm (3\/5 ...<\/div><\/article><\/a><\/figure>Ips beetles<\/h2><\/div><\/div>Ips beetles, Ips spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThere are 11 species of Ips spp. inhabiting Colorado: Ips hunteri, Ips pilifrons, Ips pini, Ips knausi, Ips ...<\/div><\/article><\/a><\/figure>Insect and mite galls<\/h2><\/div><\/div>Insect and mite galls\nOrders: Acari, Hemiptera, Hymenoptera, Diptera\nFamilies: Adelgidae, Agromyzidae, Aphalaridae, Aphididae, Eriophyidae, Cecidomyiidae, Cinipidae\nDescription and life ...<\/div><\/article><\/a><\/figure>Horntails<\/h2><\/div><\/div>Horntails,\u00a0Sirex spp.\nOrder: HymenopteraFamily: Siricidae\nDescription\nGenerally, horntail wasps are moderately large at about 37.5 mm (1.5 inches) and have broad heads with small eyes. Adult ...<\/div><\/article><\/a><\/figure>Honeylocust pod gall midge<\/h2><\/div><\/div>Honeylocust pod gall midge, Dasineura gleditchiae\nOrder: DipteraFamily: Cecidomyiidae\nDescription\nDasineura gleditchiae, commonly referred to as the \u201choney locust pod gall midge\u201d, is an ...<\/div><\/article><\/a><\/figure>Hawthorn mealybug<\/h2><\/div><\/div>Hawthorn mealybug,\u00a0Phenacoccus dearnessi\nOrder: HemipteraFamily: Pseudococcidae\nDescription\nThe hawthorn mealybug\u00a0is an introduced species in Colorado. It feeds on twigs and small branches of ...<\/div><\/article><\/a><\/figure>Giant conifer aphids<\/h2><\/div><\/div>Giant conifer aphids\nOrder: HemipteraFamily: Aphididae\nDescription\nCinara spp. are commonly referred to as giant conifer aphids and collectively feed on pines (Pinus spp.), juniper (Juniperus ...<\/div><\/article><\/a><\/figure>Gambel oak borer<\/h2><\/div><\/div>Gambel oak borer, Agrilus quercicola\nOrder: ColeopteraFamily: Buprestidae\nDescription\nThe Gambel oak borer is a native species of wood boring beetle found in forest stands of Gambel oak ...<\/div><\/article><\/a><\/figure>European elm scale<\/h2><\/div><\/div>European elm scale,\nEriococcus spuria\nOrder: Hemiptera\nFamily: Eriococcidae\nDescription\nAll scale insects undergo incomplete metamorphosis and have three life stages: egg, nymph, adult. These ...<\/div><\/article><\/a><\/figure>Eriophyid mites<\/h2><\/div><\/div>Eriophyid mites\nOrder: Acari\nFamily: Eriophyidae\nDescription\nAdults have cylindrical bodies that taper at both the head and rear. They are translucent white or yellow and have two pairs of legs ...<\/div><\/article><\/a><\/figure>Emerald ash borer<\/h2><\/div><\/div>Emerald ash borer, Agrillus\u00a0planipennis\nOrder: ColeopteraFamily: Buprestidae\nDescription\nEmerald ash borer, abbreviated EAB, is an invasive beetle that was first detected in Colorado in 2013. ...<\/div><\/article><\/a><\/figure>Elm leaf beetle<\/h2><\/div><\/div>Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Spotted lanternfly, Lycorma delicatula\nOrder: HemipteraFamily: Fulgoridae\nDescription and life history\nSpotted lanternfly (SLF) is an invasive polyphagous planthopper native to Asia, ...<\/div><\/article><\/a><\/figure>Spongy moth<\/h2><\/div>
![\"Spongy](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2024\/01\/Female-and-male-spongy-moth-1080x675.webp\")
<\/a><\/figure>Spongy moth<\/h2><\/div><\/div>Spongy moth, Lymantria dispar\r\nOrder: Lepidoptera\r\nFamily: Erebidae\r\nDescription\r\nMale moths have a wingspan of about 3.8 cm (1.5 inches), while females have a wingspan of up to 8.9 cm (3.5 ...<\/div><\/article><\/a><\/figure>Spider mites in shade trees<\/h2><\/div><\/div>Spider mites in shade trees\nOrder: AcariFamily: Tetranychidae\nDescription and life history\nSpruce spider mite,\u00a0Oligonychus ununguis\u00a0\nThe spruce spider mite is a native pest of spruce and ...<\/div><\/article><\/a><\/figure>Shade tree borers<\/h2><\/div><\/div>Shade tree borers\nOrders: Coleoptera, Lepidoptera, Hymenoptera\nDescription and life history\nMany different insects are classified as wood borers, including certain species of Coleoptera, ...<\/div><\/article><\/a><\/figure>Scale insects affecting conifers<\/h2><\/div><\/div>Scale insects affecting conifers\nOrder: HemipteraFamily: Coccidae, Diaspididae, Matsucoccidae\nDescription, life history, and host range\nSeveral scale insects can attack coniferous trees in ...<\/div><\/article><\/a><\/figure>Red turpentine beetle<\/h2><\/div><\/div>Red turpentine beetle,\u00a0Dendroctonus valens\r\nOrder: Coleoptera\r\nFamily: Curculionidae\r\nDescription\r\nThe red turpentine beetle is a native insect distributed throughout much of North and Central ...<\/div><\/article><\/a><\/figure>Pine tip moths<\/h2><\/div><\/div>Pine tip moths\nOrder: LepidopteraFamily: Tortricidae, Pyralidae\nDescription and life history\nSouthwestern pine tip moth\nThe southwestern pine tip moth (Rhyacionia neomexicana) is native to the ...<\/div><\/article><\/a><\/figure>Oystershell scale<\/h2><\/div><\/div>Oystershell scale, Lepidosaphes ulmi\nOrder: HempiteraFamily: Diaspididae\nDescription\nUnlike most insects, adult oystershell scales do not have legs, eyes, or antennae. Their appearance ...<\/div><\/article><\/a><\/figure>Mite pests of honeylocust<\/h2><\/div><\/div>Mite pests of honeylocust\nOrder: AcariFamily: Tetranychidae, Eriophyidae\nDescription and life history\nDifferent groups of mites can produce conspicuous feeding injuries on honeylocust ...<\/div><\/article><\/a><\/figure>Locust borer<\/h2><\/div><\/div>Locust borer, Megacyllene robiniae\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nLocust borer adults have brightly colored yellow markings and are about 19 mm (0.75 inch) long. The beetles ...<\/div><\/article><\/a><\/figure>Lilac borer<\/h2><\/div><\/div>Lilac borer, Podosesia syringae\nOrder: LepidopteraFamily: Sesiidae\nDescription\nUnlike most moth species, lilac borer adults are most active during the day. They resemble paper wasps (Poilstes ...<\/div><\/article><\/a><\/figure>Japanese beetle in ornamentals<\/h2><\/div><\/div>Japanese Beetle,\u00a0Popillia\u00a0japonica\nOrder: ColeopteraFamily: Scarabidae\nDescription\nThe adult Japanese beetle (order: Coleoptera, family: Scarabaeidae) has an oval body and is about 15 mm (3\/5 ...<\/div><\/article><\/a><\/figure>Ips beetles<\/h2><\/div><\/div>Ips beetles, Ips spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThere are 11 species of Ips spp. inhabiting Colorado: Ips hunteri, Ips pilifrons, Ips pini, Ips knausi, Ips ...<\/div><\/article><\/a><\/figure>Insect and mite galls<\/h2><\/div><\/div>Insect and mite galls\nOrders: Acari, Hemiptera, Hymenoptera, Diptera\nFamilies: Adelgidae, Agromyzidae, Aphalaridae, Aphididae, Eriophyidae, Cecidomyiidae, Cinipidae\nDescription and life ...<\/div><\/article><\/a><\/figure>Horntails<\/h2><\/div><\/div>Horntails,\u00a0Sirex spp.\nOrder: HymenopteraFamily: Siricidae\nDescription\nGenerally, horntail wasps are moderately large at about 37.5 mm (1.5 inches) and have broad heads with small eyes. Adult ...<\/div><\/article><\/a><\/figure>Honeylocust pod gall midge<\/h2><\/div><\/div>Honeylocust pod gall midge, Dasineura gleditchiae\nOrder: DipteraFamily: Cecidomyiidae\nDescription\nDasineura gleditchiae, commonly referred to as the \u201choney locust pod gall midge\u201d, is an ...<\/div><\/article><\/a><\/figure>Hawthorn mealybug<\/h2><\/div><\/div>Hawthorn mealybug,\u00a0Phenacoccus dearnessi\nOrder: HemipteraFamily: Pseudococcidae\nDescription\nThe hawthorn mealybug\u00a0is an introduced species in Colorado. It feeds on twigs and small branches of ...<\/div><\/article><\/a><\/figure>Giant conifer aphids<\/h2><\/div><\/div>Giant conifer aphids\nOrder: HemipteraFamily: Aphididae\nDescription\nCinara spp. are commonly referred to as giant conifer aphids and collectively feed on pines (Pinus spp.), juniper (Juniperus ...<\/div><\/article><\/a><\/figure>Gambel oak borer<\/h2><\/div><\/div>Gambel oak borer, Agrilus quercicola\nOrder: ColeopteraFamily: Buprestidae\nDescription\nThe Gambel oak borer is a native species of wood boring beetle found in forest stands of Gambel oak ...<\/div><\/article><\/a><\/figure>European elm scale<\/h2><\/div><\/div>European elm scale,\nEriococcus spuria\nOrder: Hemiptera\nFamily: Eriococcidae\nDescription\nAll scale insects undergo incomplete metamorphosis and have three life stages: egg, nymph, adult. These ...<\/div><\/article><\/a><\/figure>Eriophyid mites<\/h2><\/div><\/div>Eriophyid mites\nOrder: Acari\nFamily: Eriophyidae\nDescription\nAdults have cylindrical bodies that taper at both the head and rear. They are translucent white or yellow and have two pairs of legs ...<\/div><\/article><\/a><\/figure>Emerald ash borer<\/h2><\/div><\/div>Emerald ash borer, Agrillus\u00a0planipennis\nOrder: ColeopteraFamily: Buprestidae\nDescription\nEmerald ash borer, abbreviated EAB, is an invasive beetle that was first detected in Colorado in 2013. ...<\/div><\/article><\/a><\/figure>Elm leaf beetle<\/h2><\/div><\/div>Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Spongy moth, Lymantria dispar\r\nOrder: Lepidoptera\r\nFamily: Erebidae\r\nDescription\r\nMale moths have a wingspan of about 3.8 cm (1.5 inches), while females have a wingspan of up to 8.9 cm (3.5 ...<\/div><\/article><\/a><\/figure>Spider mites in shade trees<\/h2><\/div>
![\"Spider](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2022\/08\/Honeylocust-spider-mite-adults-1080x675.jpg\")
<\/a><\/figure>Spider mites in shade trees<\/h2><\/div><\/div>Spider mites in shade trees\nOrder: AcariFamily: Tetranychidae\nDescription and life history\nSpruce spider mite,\u00a0Oligonychus ununguis\u00a0\nThe spruce spider mite is a native pest of spruce and ...<\/div><\/article><\/a><\/figure>Shade tree borers<\/h2><\/div><\/div>Shade tree borers\nOrders: Coleoptera, Lepidoptera, Hymenoptera\nDescription and life history\nMany different insects are classified as wood borers, including certain species of Coleoptera, ...<\/div><\/article><\/a><\/figure>Scale insects affecting conifers<\/h2><\/div><\/div>Scale insects affecting conifers\nOrder: HemipteraFamily: Coccidae, Diaspididae, Matsucoccidae\nDescription, life history, and host range\nSeveral scale insects can attack coniferous trees in ...<\/div><\/article><\/a><\/figure>Red turpentine beetle<\/h2><\/div><\/div>Red turpentine beetle,\u00a0Dendroctonus valens\r\nOrder: Coleoptera\r\nFamily: Curculionidae\r\nDescription\r\nThe red turpentine beetle is a native insect distributed throughout much of North and Central ...<\/div><\/article><\/a><\/figure>Pine tip moths<\/h2><\/div><\/div>Pine tip moths\nOrder: LepidopteraFamily: Tortricidae, Pyralidae\nDescription and life history\nSouthwestern pine tip moth\nThe southwestern pine tip moth (Rhyacionia neomexicana) is native to the ...<\/div><\/article><\/a><\/figure>Oystershell scale<\/h2><\/div><\/div>Oystershell scale, Lepidosaphes ulmi\nOrder: HempiteraFamily: Diaspididae\nDescription\nUnlike most insects, adult oystershell scales do not have legs, eyes, or antennae. Their appearance ...<\/div><\/article><\/a><\/figure>Mite pests of honeylocust<\/h2><\/div><\/div>Mite pests of honeylocust\nOrder: AcariFamily: Tetranychidae, Eriophyidae\nDescription and life history\nDifferent groups of mites can produce conspicuous feeding injuries on honeylocust ...<\/div><\/article><\/a><\/figure>Locust borer<\/h2><\/div><\/div>Locust borer, Megacyllene robiniae\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nLocust borer adults have brightly colored yellow markings and are about 19 mm (0.75 inch) long. The beetles ...<\/div><\/article><\/a><\/figure>Lilac borer<\/h2><\/div><\/div>Lilac borer, Podosesia syringae\nOrder: LepidopteraFamily: Sesiidae\nDescription\nUnlike most moth species, lilac borer adults are most active during the day. They resemble paper wasps (Poilstes ...<\/div><\/article><\/a><\/figure>Japanese beetle in ornamentals<\/h2><\/div><\/div>Japanese Beetle,\u00a0Popillia\u00a0japonica\nOrder: ColeopteraFamily: Scarabidae\nDescription\nThe adult Japanese beetle (order: Coleoptera, family: Scarabaeidae) has an oval body and is about 15 mm (3\/5 ...<\/div><\/article><\/a><\/figure>Ips beetles<\/h2><\/div><\/div>Ips beetles, Ips spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThere are 11 species of Ips spp. inhabiting Colorado: Ips hunteri, Ips pilifrons, Ips pini, Ips knausi, Ips ...<\/div><\/article><\/a><\/figure>Insect and mite galls<\/h2><\/div><\/div>Insect and mite galls\nOrders: Acari, Hemiptera, Hymenoptera, Diptera\nFamilies: Adelgidae, Agromyzidae, Aphalaridae, Aphididae, Eriophyidae, Cecidomyiidae, Cinipidae\nDescription and life ...<\/div><\/article><\/a><\/figure>Horntails<\/h2><\/div><\/div>Horntails,\u00a0Sirex spp.\nOrder: HymenopteraFamily: Siricidae\nDescription\nGenerally, horntail wasps are moderately large at about 37.5 mm (1.5 inches) and have broad heads with small eyes. Adult ...<\/div><\/article><\/a><\/figure>Honeylocust pod gall midge<\/h2><\/div><\/div>Honeylocust pod gall midge, Dasineura gleditchiae\nOrder: DipteraFamily: Cecidomyiidae\nDescription\nDasineura gleditchiae, commonly referred to as the \u201choney locust pod gall midge\u201d, is an ...<\/div><\/article><\/a><\/figure>Hawthorn mealybug<\/h2><\/div><\/div>Hawthorn mealybug,\u00a0Phenacoccus dearnessi\nOrder: HemipteraFamily: Pseudococcidae\nDescription\nThe hawthorn mealybug\u00a0is an introduced species in Colorado. It feeds on twigs and small branches of ...<\/div><\/article><\/a><\/figure>Giant conifer aphids<\/h2><\/div><\/div>Giant conifer aphids\nOrder: HemipteraFamily: Aphididae\nDescription\nCinara spp. are commonly referred to as giant conifer aphids and collectively feed on pines (Pinus spp.), juniper (Juniperus ...<\/div><\/article><\/a><\/figure>Gambel oak borer<\/h2><\/div><\/div>Gambel oak borer, Agrilus quercicola\nOrder: ColeopteraFamily: Buprestidae\nDescription\nThe Gambel oak borer is a native species of wood boring beetle found in forest stands of Gambel oak ...<\/div><\/article><\/a><\/figure>European elm scale<\/h2><\/div><\/div>European elm scale,\nEriococcus spuria\nOrder: Hemiptera\nFamily: Eriococcidae\nDescription\nAll scale insects undergo incomplete metamorphosis and have three life stages: egg, nymph, adult. These ...<\/div><\/article><\/a><\/figure>Eriophyid mites<\/h2><\/div><\/div>Eriophyid mites\nOrder: Acari\nFamily: Eriophyidae\nDescription\nAdults have cylindrical bodies that taper at both the head and rear. They are translucent white or yellow and have two pairs of legs ...<\/div><\/article><\/a><\/figure>Emerald ash borer<\/h2><\/div><\/div>Emerald ash borer, Agrillus\u00a0planipennis\nOrder: ColeopteraFamily: Buprestidae\nDescription\nEmerald ash borer, abbreviated EAB, is an invasive beetle that was first detected in Colorado in 2013. ...<\/div><\/article><\/a><\/figure>Elm leaf beetle<\/h2><\/div><\/div>Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Spider mites in shade trees\nOrder: AcariFamily: Tetranychidae\nDescription and life history\nSpruce spider mite,\u00a0Oligonychus ununguis\u00a0\nThe spruce spider mite is a native pest of spruce and ...<\/div><\/article><\/a><\/figure>Shade tree borers<\/h2><\/div>
![\"Shade](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2023\/11\/Larva-flatheaded-appletree-borer-1080x675.webp\")
<\/a><\/figure>Shade tree borers<\/h2><\/div><\/div>Shade tree borers\nOrders: Coleoptera, Lepidoptera, Hymenoptera\nDescription and life history\nMany different insects are classified as wood borers, including certain species of Coleoptera, ...<\/div><\/article><\/a><\/figure>Scale insects affecting conifers<\/h2><\/div><\/div>Scale insects affecting conifers\nOrder: HemipteraFamily: Coccidae, Diaspididae, Matsucoccidae\nDescription, life history, and host range\nSeveral scale insects can attack coniferous trees in ...<\/div><\/article><\/a><\/figure>Red turpentine beetle<\/h2><\/div><\/div>Red turpentine beetle,\u00a0Dendroctonus valens\r\nOrder: Coleoptera\r\nFamily: Curculionidae\r\nDescription\r\nThe red turpentine beetle is a native insect distributed throughout much of North and Central ...<\/div><\/article><\/a><\/figure>Pine tip moths<\/h2><\/div><\/div>Pine tip moths\nOrder: LepidopteraFamily: Tortricidae, Pyralidae\nDescription and life history\nSouthwestern pine tip moth\nThe southwestern pine tip moth (Rhyacionia neomexicana) is native to the ...<\/div><\/article><\/a><\/figure>Oystershell scale<\/h2><\/div><\/div>Oystershell scale, Lepidosaphes ulmi\nOrder: HempiteraFamily: Diaspididae\nDescription\nUnlike most insects, adult oystershell scales do not have legs, eyes, or antennae. Their appearance ...<\/div><\/article><\/a><\/figure>Mite pests of honeylocust<\/h2><\/div><\/div>Mite pests of honeylocust\nOrder: AcariFamily: Tetranychidae, Eriophyidae\nDescription and life history\nDifferent groups of mites can produce conspicuous feeding injuries on honeylocust ...<\/div><\/article><\/a><\/figure>Locust borer<\/h2><\/div><\/div>Locust borer, Megacyllene robiniae\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nLocust borer adults have brightly colored yellow markings and are about 19 mm (0.75 inch) long. The beetles ...<\/div><\/article><\/a><\/figure>Lilac borer<\/h2><\/div><\/div>Lilac borer, Podosesia syringae\nOrder: LepidopteraFamily: Sesiidae\nDescription\nUnlike most moth species, lilac borer adults are most active during the day. They resemble paper wasps (Poilstes ...<\/div><\/article><\/a><\/figure>Japanese beetle in ornamentals<\/h2><\/div><\/div>Japanese Beetle,\u00a0Popillia\u00a0japonica\nOrder: ColeopteraFamily: Scarabidae\nDescription\nThe adult Japanese beetle (order: Coleoptera, family: Scarabaeidae) has an oval body and is about 15 mm (3\/5 ...<\/div><\/article><\/a><\/figure>Ips beetles<\/h2><\/div><\/div>Ips beetles, Ips spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThere are 11 species of Ips spp. inhabiting Colorado: Ips hunteri, Ips pilifrons, Ips pini, Ips knausi, Ips ...<\/div><\/article><\/a><\/figure>Insect and mite galls<\/h2><\/div><\/div>Insect and mite galls\nOrders: Acari, Hemiptera, Hymenoptera, Diptera\nFamilies: Adelgidae, Agromyzidae, Aphalaridae, Aphididae, Eriophyidae, Cecidomyiidae, Cinipidae\nDescription and life ...<\/div><\/article><\/a><\/figure>Horntails<\/h2><\/div><\/div>Horntails,\u00a0Sirex spp.\nOrder: HymenopteraFamily: Siricidae\nDescription\nGenerally, horntail wasps are moderately large at about 37.5 mm (1.5 inches) and have broad heads with small eyes. Adult ...<\/div><\/article><\/a><\/figure>Honeylocust pod gall midge<\/h2><\/div><\/div>Honeylocust pod gall midge, Dasineura gleditchiae\nOrder: DipteraFamily: Cecidomyiidae\nDescription\nDasineura gleditchiae, commonly referred to as the \u201choney locust pod gall midge\u201d, is an ...<\/div><\/article><\/a><\/figure>Hawthorn mealybug<\/h2><\/div><\/div>Hawthorn mealybug,\u00a0Phenacoccus dearnessi\nOrder: HemipteraFamily: Pseudococcidae\nDescription\nThe hawthorn mealybug\u00a0is an introduced species in Colorado. It feeds on twigs and small branches of ...<\/div><\/article><\/a><\/figure>Giant conifer aphids<\/h2><\/div><\/div>Giant conifer aphids\nOrder: HemipteraFamily: Aphididae\nDescription\nCinara spp. are commonly referred to as giant conifer aphids and collectively feed on pines (Pinus spp.), juniper (Juniperus ...<\/div><\/article><\/a><\/figure>Gambel oak borer<\/h2><\/div><\/div>Gambel oak borer, Agrilus quercicola\nOrder: ColeopteraFamily: Buprestidae\nDescription\nThe Gambel oak borer is a native species of wood boring beetle found in forest stands of Gambel oak ...<\/div><\/article><\/a><\/figure>European elm scale<\/h2><\/div><\/div>European elm scale,\nEriococcus spuria\nOrder: Hemiptera\nFamily: Eriococcidae\nDescription\nAll scale insects undergo incomplete metamorphosis and have three life stages: egg, nymph, adult. These ...<\/div><\/article><\/a><\/figure>Eriophyid mites<\/h2><\/div><\/div>Eriophyid mites\nOrder: Acari\nFamily: Eriophyidae\nDescription\nAdults have cylindrical bodies that taper at both the head and rear. They are translucent white or yellow and have two pairs of legs ...<\/div><\/article><\/a><\/figure>Emerald ash borer<\/h2><\/div><\/div>Emerald ash borer, Agrillus\u00a0planipennis\nOrder: ColeopteraFamily: Buprestidae\nDescription\nEmerald ash borer, abbreviated EAB, is an invasive beetle that was first detected in Colorado in 2013. ...<\/div><\/article><\/a><\/figure>Elm leaf beetle<\/h2><\/div><\/div>Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Shade tree borers\nOrders: Coleoptera, Lepidoptera, Hymenoptera\nDescription and life history\nMany different insects are classified as wood borers, including certain species of Coleoptera, ...<\/div><\/article><\/a><\/figure>Scale insects affecting conifers<\/h2><\/div>
![\"Scale](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2023\/11\/Infestation-striped-pine-scale-1080x675.webp\")
<\/a><\/figure>Scale insects affecting conifers<\/h2><\/div><\/div>Scale insects affecting conifers\nOrder: HemipteraFamily: Coccidae, Diaspididae, Matsucoccidae\nDescription, life history, and host range\nSeveral scale insects can attack coniferous trees in ...<\/div><\/article><\/a><\/figure>Red turpentine beetle<\/h2><\/div><\/div>Red turpentine beetle,\u00a0Dendroctonus valens\r\nOrder: Coleoptera\r\nFamily: Curculionidae\r\nDescription\r\nThe red turpentine beetle is a native insect distributed throughout much of North and Central ...<\/div><\/article><\/a><\/figure>Pine tip moths<\/h2><\/div><\/div>Pine tip moths\nOrder: LepidopteraFamily: Tortricidae, Pyralidae\nDescription and life history\nSouthwestern pine tip moth\nThe southwestern pine tip moth (Rhyacionia neomexicana) is native to the ...<\/div><\/article><\/a><\/figure>Oystershell scale<\/h2><\/div><\/div>Oystershell scale, Lepidosaphes ulmi\nOrder: HempiteraFamily: Diaspididae\nDescription\nUnlike most insects, adult oystershell scales do not have legs, eyes, or antennae. Their appearance ...<\/div><\/article><\/a><\/figure>Mite pests of honeylocust<\/h2><\/div><\/div>Mite pests of honeylocust\nOrder: AcariFamily: Tetranychidae, Eriophyidae\nDescription and life history\nDifferent groups of mites can produce conspicuous feeding injuries on honeylocust ...<\/div><\/article><\/a><\/figure>Locust borer<\/h2><\/div><\/div>Locust borer, Megacyllene robiniae\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nLocust borer adults have brightly colored yellow markings and are about 19 mm (0.75 inch) long. The beetles ...<\/div><\/article><\/a><\/figure>Lilac borer<\/h2><\/div><\/div>Lilac borer, Podosesia syringae\nOrder: LepidopteraFamily: Sesiidae\nDescription\nUnlike most moth species, lilac borer adults are most active during the day. They resemble paper wasps (Poilstes ...<\/div><\/article><\/a><\/figure>Japanese beetle in ornamentals<\/h2><\/div><\/div>Japanese Beetle,\u00a0Popillia\u00a0japonica\nOrder: ColeopteraFamily: Scarabidae\nDescription\nThe adult Japanese beetle (order: Coleoptera, family: Scarabaeidae) has an oval body and is about 15 mm (3\/5 ...<\/div><\/article><\/a><\/figure>Ips beetles<\/h2><\/div><\/div>Ips beetles, Ips spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThere are 11 species of Ips spp. inhabiting Colorado: Ips hunteri, Ips pilifrons, Ips pini, Ips knausi, Ips ...<\/div><\/article><\/a><\/figure>Insect and mite galls<\/h2><\/div><\/div>Insect and mite galls\nOrders: Acari, Hemiptera, Hymenoptera, Diptera\nFamilies: Adelgidae, Agromyzidae, Aphalaridae, Aphididae, Eriophyidae, Cecidomyiidae, Cinipidae\nDescription and life ...<\/div><\/article><\/a><\/figure>Horntails<\/h2><\/div><\/div>Horntails,\u00a0Sirex spp.\nOrder: HymenopteraFamily: Siricidae\nDescription\nGenerally, horntail wasps are moderately large at about 37.5 mm (1.5 inches) and have broad heads with small eyes. Adult ...<\/div><\/article><\/a><\/figure>Honeylocust pod gall midge<\/h2><\/div><\/div>Honeylocust pod gall midge, Dasineura gleditchiae\nOrder: DipteraFamily: Cecidomyiidae\nDescription\nDasineura gleditchiae, commonly referred to as the \u201choney locust pod gall midge\u201d, is an ...<\/div><\/article><\/a><\/figure>Hawthorn mealybug<\/h2><\/div><\/div>Hawthorn mealybug,\u00a0Phenacoccus dearnessi\nOrder: HemipteraFamily: Pseudococcidae\nDescription\nThe hawthorn mealybug\u00a0is an introduced species in Colorado. It feeds on twigs and small branches of ...<\/div><\/article><\/a><\/figure>Giant conifer aphids<\/h2><\/div><\/div>Giant conifer aphids\nOrder: HemipteraFamily: Aphididae\nDescription\nCinara spp. are commonly referred to as giant conifer aphids and collectively feed on pines (Pinus spp.), juniper (Juniperus ...<\/div><\/article><\/a><\/figure>Gambel oak borer<\/h2><\/div><\/div>Gambel oak borer, Agrilus quercicola\nOrder: ColeopteraFamily: Buprestidae\nDescription\nThe Gambel oak borer is a native species of wood boring beetle found in forest stands of Gambel oak ...<\/div><\/article><\/a><\/figure>European elm scale<\/h2><\/div><\/div>European elm scale,\nEriococcus spuria\nOrder: Hemiptera\nFamily: Eriococcidae\nDescription\nAll scale insects undergo incomplete metamorphosis and have three life stages: egg, nymph, adult. These ...<\/div><\/article><\/a><\/figure>Eriophyid mites<\/h2><\/div><\/div>Eriophyid mites\nOrder: Acari\nFamily: Eriophyidae\nDescription\nAdults have cylindrical bodies that taper at both the head and rear. They are translucent white or yellow and have two pairs of legs ...<\/div><\/article><\/a><\/figure>Emerald ash borer<\/h2><\/div><\/div>Emerald ash borer, Agrillus\u00a0planipennis\nOrder: ColeopteraFamily: Buprestidae\nDescription\nEmerald ash borer, abbreviated EAB, is an invasive beetle that was first detected in Colorado in 2013. ...<\/div><\/article><\/a><\/figure>Elm leaf beetle<\/h2><\/div><\/div>Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Scale insects affecting conifers\nOrder: HemipteraFamily: Coccidae, Diaspididae, Matsucoccidae\nDescription, life history, and host range\nSeveral scale insects can attack coniferous trees in ...<\/div><\/article><\/a><\/figure>Red turpentine beetle<\/h2><\/div>
![\"Red](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2023\/09\/Adult-of-rtb-1080x675.jpg\")
<\/a><\/figure>Red turpentine beetle<\/h2><\/div><\/div>Red turpentine beetle,\u00a0Dendroctonus valens\r\nOrder: Coleoptera\r\nFamily: Curculionidae\r\nDescription\r\nThe red turpentine beetle is a native insect distributed throughout much of North and Central ...<\/div><\/article><\/a><\/figure>Pine tip moths<\/h2><\/div><\/div>Pine tip moths\nOrder: LepidopteraFamily: Tortricidae, Pyralidae\nDescription and life history\nSouthwestern pine tip moth\nThe southwestern pine tip moth (Rhyacionia neomexicana) is native to the ...<\/div><\/article><\/a><\/figure>Oystershell scale<\/h2><\/div><\/div>Oystershell scale, Lepidosaphes ulmi\nOrder: HempiteraFamily: Diaspididae\nDescription\nUnlike most insects, adult oystershell scales do not have legs, eyes, or antennae. Their appearance ...<\/div><\/article><\/a><\/figure>Mite pests of honeylocust<\/h2><\/div><\/div>Mite pests of honeylocust\nOrder: AcariFamily: Tetranychidae, Eriophyidae\nDescription and life history\nDifferent groups of mites can produce conspicuous feeding injuries on honeylocust ...<\/div><\/article><\/a><\/figure>Locust borer<\/h2><\/div><\/div>Locust borer, Megacyllene robiniae\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nLocust borer adults have brightly colored yellow markings and are about 19 mm (0.75 inch) long. The beetles ...<\/div><\/article><\/a><\/figure>Lilac borer<\/h2><\/div><\/div>Lilac borer, Podosesia syringae\nOrder: LepidopteraFamily: Sesiidae\nDescription\nUnlike most moth species, lilac borer adults are most active during the day. They resemble paper wasps (Poilstes ...<\/div><\/article><\/a><\/figure>Japanese beetle in ornamentals<\/h2><\/div><\/div>Japanese Beetle,\u00a0Popillia\u00a0japonica\nOrder: ColeopteraFamily: Scarabidae\nDescription\nThe adult Japanese beetle (order: Coleoptera, family: Scarabaeidae) has an oval body and is about 15 mm (3\/5 ...<\/div><\/article><\/a><\/figure>Ips beetles<\/h2><\/div><\/div>Ips beetles, Ips spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThere are 11 species of Ips spp. inhabiting Colorado: Ips hunteri, Ips pilifrons, Ips pini, Ips knausi, Ips ...<\/div><\/article><\/a><\/figure>Insect and mite galls<\/h2><\/div><\/div>Insect and mite galls\nOrders: Acari, Hemiptera, Hymenoptera, Diptera\nFamilies: Adelgidae, Agromyzidae, Aphalaridae, Aphididae, Eriophyidae, Cecidomyiidae, Cinipidae\nDescription and life ...<\/div><\/article><\/a><\/figure>Horntails<\/h2><\/div><\/div>Horntails,\u00a0Sirex spp.\nOrder: HymenopteraFamily: Siricidae\nDescription\nGenerally, horntail wasps are moderately large at about 37.5 mm (1.5 inches) and have broad heads with small eyes. Adult ...<\/div><\/article><\/a><\/figure>Honeylocust pod gall midge<\/h2><\/div><\/div>Honeylocust pod gall midge, Dasineura gleditchiae\nOrder: DipteraFamily: Cecidomyiidae\nDescription\nDasineura gleditchiae, commonly referred to as the \u201choney locust pod gall midge\u201d, is an ...<\/div><\/article><\/a><\/figure>Hawthorn mealybug<\/h2><\/div><\/div>Hawthorn mealybug,\u00a0Phenacoccus dearnessi\nOrder: HemipteraFamily: Pseudococcidae\nDescription\nThe hawthorn mealybug\u00a0is an introduced species in Colorado. It feeds on twigs and small branches of ...<\/div><\/article><\/a><\/figure>Giant conifer aphids<\/h2><\/div><\/div>Giant conifer aphids\nOrder: HemipteraFamily: Aphididae\nDescription\nCinara spp. are commonly referred to as giant conifer aphids and collectively feed on pines (Pinus spp.), juniper (Juniperus ...<\/div><\/article><\/a><\/figure>Gambel oak borer<\/h2><\/div><\/div>Gambel oak borer, Agrilus quercicola\nOrder: ColeopteraFamily: Buprestidae\nDescription\nThe Gambel oak borer is a native species of wood boring beetle found in forest stands of Gambel oak ...<\/div><\/article><\/a><\/figure>European elm scale<\/h2><\/div><\/div>European elm scale,\nEriococcus spuria\nOrder: Hemiptera\nFamily: Eriococcidae\nDescription\nAll scale insects undergo incomplete metamorphosis and have three life stages: egg, nymph, adult. These ...<\/div><\/article><\/a><\/figure>Eriophyid mites<\/h2><\/div><\/div>Eriophyid mites\nOrder: Acari\nFamily: Eriophyidae\nDescription\nAdults have cylindrical bodies that taper at both the head and rear. They are translucent white or yellow and have two pairs of legs ...<\/div><\/article><\/a><\/figure>Emerald ash borer<\/h2><\/div><\/div>Emerald ash borer, Agrillus\u00a0planipennis\nOrder: ColeopteraFamily: Buprestidae\nDescription\nEmerald ash borer, abbreviated EAB, is an invasive beetle that was first detected in Colorado in 2013. ...<\/div><\/article><\/a><\/figure>Elm leaf beetle<\/h2><\/div><\/div>Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Red turpentine beetle,\u00a0Dendroctonus valens\r\nOrder: Coleoptera\r\nFamily: Curculionidae\r\nDescription\r\nThe red turpentine beetle is a native insect distributed throughout much of North and Central ...<\/div><\/article><\/a><\/figure>Pine tip moths<\/h2><\/div>
![\"Pine](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2023\/10\/adult-pine-tip-1080x675.webp\")
<\/a><\/figure>Pine tip moths<\/h2><\/div><\/div>Pine tip moths\nOrder: LepidopteraFamily: Tortricidae, Pyralidae\nDescription and life history\nSouthwestern pine tip moth\nThe southwestern pine tip moth (Rhyacionia neomexicana) is native to the ...<\/div><\/article><\/a><\/figure>Oystershell scale<\/h2><\/div><\/div>Oystershell scale, Lepidosaphes ulmi\nOrder: HempiteraFamily: Diaspididae\nDescription\nUnlike most insects, adult oystershell scales do not have legs, eyes, or antennae. Their appearance ...<\/div><\/article><\/a><\/figure>Mite pests of honeylocust<\/h2><\/div><\/div>Mite pests of honeylocust\nOrder: AcariFamily: Tetranychidae, Eriophyidae\nDescription and life history\nDifferent groups of mites can produce conspicuous feeding injuries on honeylocust ...<\/div><\/article><\/a><\/figure>Locust borer<\/h2><\/div><\/div>Locust borer, Megacyllene robiniae\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nLocust borer adults have brightly colored yellow markings and are about 19 mm (0.75 inch) long. The beetles ...<\/div><\/article><\/a><\/figure>Lilac borer<\/h2><\/div><\/div>Lilac borer, Podosesia syringae\nOrder: LepidopteraFamily: Sesiidae\nDescription\nUnlike most moth species, lilac borer adults are most active during the day. They resemble paper wasps (Poilstes ...<\/div><\/article><\/a><\/figure>Japanese beetle in ornamentals<\/h2><\/div><\/div>Japanese Beetle,\u00a0Popillia\u00a0japonica\nOrder: ColeopteraFamily: Scarabidae\nDescription\nThe adult Japanese beetle (order: Coleoptera, family: Scarabaeidae) has an oval body and is about 15 mm (3\/5 ...<\/div><\/article><\/a><\/figure>Ips beetles<\/h2><\/div><\/div>Ips beetles, Ips spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThere are 11 species of Ips spp. inhabiting Colorado: Ips hunteri, Ips pilifrons, Ips pini, Ips knausi, Ips ...<\/div><\/article><\/a><\/figure>Insect and mite galls<\/h2><\/div><\/div>Insect and mite galls\nOrders: Acari, Hemiptera, Hymenoptera, Diptera\nFamilies: Adelgidae, Agromyzidae, Aphalaridae, Aphididae, Eriophyidae, Cecidomyiidae, Cinipidae\nDescription and life ...<\/div><\/article><\/a><\/figure>Horntails<\/h2><\/div><\/div>Horntails,\u00a0Sirex spp.\nOrder: HymenopteraFamily: Siricidae\nDescription\nGenerally, horntail wasps are moderately large at about 37.5 mm (1.5 inches) and have broad heads with small eyes. Adult ...<\/div><\/article><\/a><\/figure>Honeylocust pod gall midge<\/h2><\/div><\/div>Honeylocust pod gall midge, Dasineura gleditchiae\nOrder: DipteraFamily: Cecidomyiidae\nDescription\nDasineura gleditchiae, commonly referred to as the \u201choney locust pod gall midge\u201d, is an ...<\/div><\/article><\/a><\/figure>Hawthorn mealybug<\/h2><\/div><\/div>Hawthorn mealybug,\u00a0Phenacoccus dearnessi\nOrder: HemipteraFamily: Pseudococcidae\nDescription\nThe hawthorn mealybug\u00a0is an introduced species in Colorado. It feeds on twigs and small branches of ...<\/div><\/article><\/a><\/figure>Giant conifer aphids<\/h2><\/div><\/div>Giant conifer aphids\nOrder: HemipteraFamily: Aphididae\nDescription\nCinara spp. are commonly referred to as giant conifer aphids and collectively feed on pines (Pinus spp.), juniper (Juniperus ...<\/div><\/article><\/a><\/figure>Gambel oak borer<\/h2><\/div><\/div>Gambel oak borer, Agrilus quercicola\nOrder: ColeopteraFamily: Buprestidae\nDescription\nThe Gambel oak borer is a native species of wood boring beetle found in forest stands of Gambel oak ...<\/div><\/article><\/a><\/figure>European elm scale<\/h2><\/div><\/div>European elm scale,\nEriococcus spuria\nOrder: Hemiptera\nFamily: Eriococcidae\nDescription\nAll scale insects undergo incomplete metamorphosis and have three life stages: egg, nymph, adult. These ...<\/div><\/article><\/a><\/figure>Eriophyid mites<\/h2><\/div><\/div>Eriophyid mites\nOrder: Acari\nFamily: Eriophyidae\nDescription\nAdults have cylindrical bodies that taper at both the head and rear. They are translucent white or yellow and have two pairs of legs ...<\/div><\/article><\/a><\/figure>Emerald ash borer<\/h2><\/div><\/div>Emerald ash borer, Agrillus\u00a0planipennis\nOrder: ColeopteraFamily: Buprestidae\nDescription\nEmerald ash borer, abbreviated EAB, is an invasive beetle that was first detected in Colorado in 2013. ...<\/div><\/article><\/a><\/figure>Elm leaf beetle<\/h2><\/div><\/div>Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Pine tip moths\nOrder: LepidopteraFamily: Tortricidae, Pyralidae\nDescription and life history\nSouthwestern pine tip moth\nThe southwestern pine tip moth (Rhyacionia neomexicana) is native to the ...<\/div><\/article><\/a><\/figure>Oystershell scale<\/h2><\/div>
![\"Oystershell](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2022\/08\/oystershell-scale-on-quaking-aspen-1080x675.jpg\")
<\/a><\/figure>Oystershell scale<\/h2><\/div><\/div>Oystershell scale, Lepidosaphes ulmi\nOrder: HempiteraFamily: Diaspididae\nDescription\nUnlike most insects, adult oystershell scales do not have legs, eyes, or antennae. Their appearance ...<\/div><\/article><\/a><\/figure>Mite pests of honeylocust<\/h2><\/div><\/div>Mite pests of honeylocust\nOrder: AcariFamily: Tetranychidae, Eriophyidae\nDescription and life history\nDifferent groups of mites can produce conspicuous feeding injuries on honeylocust ...<\/div><\/article><\/a><\/figure>Locust borer<\/h2><\/div><\/div>Locust borer, Megacyllene robiniae\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nLocust borer adults have brightly colored yellow markings and are about 19 mm (0.75 inch) long. The beetles ...<\/div><\/article><\/a><\/figure>Lilac borer<\/h2><\/div><\/div>Lilac borer, Podosesia syringae\nOrder: LepidopteraFamily: Sesiidae\nDescription\nUnlike most moth species, lilac borer adults are most active during the day. They resemble paper wasps (Poilstes ...<\/div><\/article><\/a><\/figure>Japanese beetle in ornamentals<\/h2><\/div><\/div>Japanese Beetle,\u00a0Popillia\u00a0japonica\nOrder: ColeopteraFamily: Scarabidae\nDescription\nThe adult Japanese beetle (order: Coleoptera, family: Scarabaeidae) has an oval body and is about 15 mm (3\/5 ...<\/div><\/article><\/a><\/figure>Ips beetles<\/h2><\/div><\/div>Ips beetles, Ips spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThere are 11 species of Ips spp. inhabiting Colorado: Ips hunteri, Ips pilifrons, Ips pini, Ips knausi, Ips ...<\/div><\/article><\/a><\/figure>Insect and mite galls<\/h2><\/div><\/div>Insect and mite galls\nOrders: Acari, Hemiptera, Hymenoptera, Diptera\nFamilies: Adelgidae, Agromyzidae, Aphalaridae, Aphididae, Eriophyidae, Cecidomyiidae, Cinipidae\nDescription and life ...<\/div><\/article><\/a><\/figure>Horntails<\/h2><\/div><\/div>Horntails,\u00a0Sirex spp.\nOrder: HymenopteraFamily: Siricidae\nDescription\nGenerally, horntail wasps are moderately large at about 37.5 mm (1.5 inches) and have broad heads with small eyes. Adult ...<\/div><\/article><\/a><\/figure>Honeylocust pod gall midge<\/h2><\/div><\/div>Honeylocust pod gall midge, Dasineura gleditchiae\nOrder: DipteraFamily: Cecidomyiidae\nDescription\nDasineura gleditchiae, commonly referred to as the \u201choney locust pod gall midge\u201d, is an ...<\/div><\/article><\/a><\/figure>Hawthorn mealybug<\/h2><\/div><\/div>Hawthorn mealybug,\u00a0Phenacoccus dearnessi\nOrder: HemipteraFamily: Pseudococcidae\nDescription\nThe hawthorn mealybug\u00a0is an introduced species in Colorado. It feeds on twigs and small branches of ...<\/div><\/article><\/a><\/figure>Giant conifer aphids<\/h2><\/div><\/div>Giant conifer aphids\nOrder: HemipteraFamily: Aphididae\nDescription\nCinara spp. are commonly referred to as giant conifer aphids and collectively feed on pines (Pinus spp.), juniper (Juniperus ...<\/div><\/article><\/a><\/figure>Gambel oak borer<\/h2><\/div><\/div>Gambel oak borer, Agrilus quercicola\nOrder: ColeopteraFamily: Buprestidae\nDescription\nThe Gambel oak borer is a native species of wood boring beetle found in forest stands of Gambel oak ...<\/div><\/article><\/a><\/figure>European elm scale<\/h2><\/div><\/div>European elm scale,\nEriococcus spuria\nOrder: Hemiptera\nFamily: Eriococcidae\nDescription\nAll scale insects undergo incomplete metamorphosis and have three life stages: egg, nymph, adult. These ...<\/div><\/article><\/a><\/figure>Eriophyid mites<\/h2><\/div><\/div>Eriophyid mites\nOrder: Acari\nFamily: Eriophyidae\nDescription\nAdults have cylindrical bodies that taper at both the head and rear. They are translucent white or yellow and have two pairs of legs ...<\/div><\/article><\/a><\/figure>Emerald ash borer<\/h2><\/div><\/div>Emerald ash borer, Agrillus\u00a0planipennis\nOrder: ColeopteraFamily: Buprestidae\nDescription\nEmerald ash borer, abbreviated EAB, is an invasive beetle that was first detected in Colorado in 2013. ...<\/div><\/article><\/a><\/figure>Elm leaf beetle<\/h2><\/div><\/div>Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Oystershell scale, Lepidosaphes ulmi\nOrder: HempiteraFamily: Diaspididae\nDescription\nUnlike most insects, adult oystershell scales do not have legs, eyes, or antennae. Their appearance ...<\/div><\/article><\/a><\/figure>Mite pests of honeylocust<\/h2><\/div>
![\"Mite](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2025\/04\/Adult-honeylocust-spider-mite.jpg\")
<\/a><\/figure>Mite pests of honeylocust<\/h2><\/div><\/div>Mite pests of honeylocust\nOrder: AcariFamily: Tetranychidae, Eriophyidae\nDescription and life history\nDifferent groups of mites can produce conspicuous feeding injuries on honeylocust ...<\/div><\/article><\/a><\/figure>Locust borer<\/h2><\/div><\/div>Locust borer, Megacyllene robiniae\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nLocust borer adults have brightly colored yellow markings and are about 19 mm (0.75 inch) long. The beetles ...<\/div><\/article><\/a><\/figure>Lilac borer<\/h2><\/div><\/div>Lilac borer, Podosesia syringae\nOrder: LepidopteraFamily: Sesiidae\nDescription\nUnlike most moth species, lilac borer adults are most active during the day. They resemble paper wasps (Poilstes ...<\/div><\/article><\/a><\/figure>Japanese beetle in ornamentals<\/h2><\/div><\/div>Japanese Beetle,\u00a0Popillia\u00a0japonica\nOrder: ColeopteraFamily: Scarabidae\nDescription\nThe adult Japanese beetle (order: Coleoptera, family: Scarabaeidae) has an oval body and is about 15 mm (3\/5 ...<\/div><\/article><\/a><\/figure>Ips beetles<\/h2><\/div><\/div>Ips beetles, Ips spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThere are 11 species of Ips spp. inhabiting Colorado: Ips hunteri, Ips pilifrons, Ips pini, Ips knausi, Ips ...<\/div><\/article><\/a><\/figure>Insect and mite galls<\/h2><\/div><\/div>Insect and mite galls\nOrders: Acari, Hemiptera, Hymenoptera, Diptera\nFamilies: Adelgidae, Agromyzidae, Aphalaridae, Aphididae, Eriophyidae, Cecidomyiidae, Cinipidae\nDescription and life ...<\/div><\/article><\/a><\/figure>Horntails<\/h2><\/div><\/div>Horntails,\u00a0Sirex spp.\nOrder: HymenopteraFamily: Siricidae\nDescription\nGenerally, horntail wasps are moderately large at about 37.5 mm (1.5 inches) and have broad heads with small eyes. Adult ...<\/div><\/article><\/a><\/figure>Honeylocust pod gall midge<\/h2><\/div><\/div>Honeylocust pod gall midge, Dasineura gleditchiae\nOrder: DipteraFamily: Cecidomyiidae\nDescription\nDasineura gleditchiae, commonly referred to as the \u201choney locust pod gall midge\u201d, is an ...<\/div><\/article><\/a><\/figure>Hawthorn mealybug<\/h2><\/div><\/div>Hawthorn mealybug,\u00a0Phenacoccus dearnessi\nOrder: HemipteraFamily: Pseudococcidae\nDescription\nThe hawthorn mealybug\u00a0is an introduced species in Colorado. It feeds on twigs and small branches of ...<\/div><\/article><\/a><\/figure>Giant conifer aphids<\/h2><\/div><\/div>Giant conifer aphids\nOrder: HemipteraFamily: Aphididae\nDescription\nCinara spp. are commonly referred to as giant conifer aphids and collectively feed on pines (Pinus spp.), juniper (Juniperus ...<\/div><\/article><\/a><\/figure>Gambel oak borer<\/h2><\/div><\/div>Gambel oak borer, Agrilus quercicola\nOrder: ColeopteraFamily: Buprestidae\nDescription\nThe Gambel oak borer is a native species of wood boring beetle found in forest stands of Gambel oak ...<\/div><\/article><\/a><\/figure>European elm scale<\/h2><\/div><\/div>European elm scale,\nEriococcus spuria\nOrder: Hemiptera\nFamily: Eriococcidae\nDescription\nAll scale insects undergo incomplete metamorphosis and have three life stages: egg, nymph, adult. These ...<\/div><\/article><\/a><\/figure>Eriophyid mites<\/h2><\/div><\/div>Eriophyid mites\nOrder: Acari\nFamily: Eriophyidae\nDescription\nAdults have cylindrical bodies that taper at both the head and rear. They are translucent white or yellow and have two pairs of legs ...<\/div><\/article><\/a><\/figure>Emerald ash borer<\/h2><\/div><\/div>Emerald ash borer, Agrillus\u00a0planipennis\nOrder: ColeopteraFamily: Buprestidae\nDescription\nEmerald ash borer, abbreviated EAB, is an invasive beetle that was first detected in Colorado in 2013. ...<\/div><\/article><\/a><\/figure>Elm leaf beetle<\/h2><\/div><\/div>Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Mite pests of honeylocust\nOrder: AcariFamily: Tetranychidae, Eriophyidae\nDescription and life history\nDifferent groups of mites can produce conspicuous feeding injuries on honeylocust ...<\/div><\/article><\/a><\/figure>Locust borer<\/h2><\/div>
![\"Locust](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2022\/08\/Locust-borer-adult-1080x675.jpg\")
<\/a><\/figure>Locust borer<\/h2><\/div><\/div>Locust borer, Megacyllene robiniae\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nLocust borer adults have brightly colored yellow markings and are about 19 mm (0.75 inch) long. The beetles ...<\/div><\/article><\/a><\/figure>Lilac borer<\/h2><\/div><\/div>Lilac borer, Podosesia syringae\nOrder: LepidopteraFamily: Sesiidae\nDescription\nUnlike most moth species, lilac borer adults are most active during the day. They resemble paper wasps (Poilstes ...<\/div><\/article><\/a><\/figure>Japanese beetle in ornamentals<\/h2><\/div><\/div>Japanese Beetle,\u00a0Popillia\u00a0japonica\nOrder: ColeopteraFamily: Scarabidae\nDescription\nThe adult Japanese beetle (order: Coleoptera, family: Scarabaeidae) has an oval body and is about 15 mm (3\/5 ...<\/div><\/article><\/a><\/figure>Ips beetles<\/h2><\/div><\/div>Ips beetles, Ips spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThere are 11 species of Ips spp. inhabiting Colorado: Ips hunteri, Ips pilifrons, Ips pini, Ips knausi, Ips ...<\/div><\/article><\/a><\/figure>Insect and mite galls<\/h2><\/div><\/div>Insect and mite galls\nOrders: Acari, Hemiptera, Hymenoptera, Diptera\nFamilies: Adelgidae, Agromyzidae, Aphalaridae, Aphididae, Eriophyidae, Cecidomyiidae, Cinipidae\nDescription and life ...<\/div><\/article><\/a><\/figure>Horntails<\/h2><\/div><\/div>Horntails,\u00a0Sirex spp.\nOrder: HymenopteraFamily: Siricidae\nDescription\nGenerally, horntail wasps are moderately large at about 37.5 mm (1.5 inches) and have broad heads with small eyes. Adult ...<\/div><\/article><\/a><\/figure>Honeylocust pod gall midge<\/h2><\/div><\/div>Honeylocust pod gall midge, Dasineura gleditchiae\nOrder: DipteraFamily: Cecidomyiidae\nDescription\nDasineura gleditchiae, commonly referred to as the \u201choney locust pod gall midge\u201d, is an ...<\/div><\/article><\/a><\/figure>Hawthorn mealybug<\/h2><\/div><\/div>Hawthorn mealybug,\u00a0Phenacoccus dearnessi\nOrder: HemipteraFamily: Pseudococcidae\nDescription\nThe hawthorn mealybug\u00a0is an introduced species in Colorado. It feeds on twigs and small branches of ...<\/div><\/article><\/a><\/figure>Giant conifer aphids<\/h2><\/div><\/div>Giant conifer aphids\nOrder: HemipteraFamily: Aphididae\nDescription\nCinara spp. are commonly referred to as giant conifer aphids and collectively feed on pines (Pinus spp.), juniper (Juniperus ...<\/div><\/article><\/a><\/figure>Gambel oak borer<\/h2><\/div><\/div>Gambel oak borer, Agrilus quercicola\nOrder: ColeopteraFamily: Buprestidae\nDescription\nThe Gambel oak borer is a native species of wood boring beetle found in forest stands of Gambel oak ...<\/div><\/article><\/a><\/figure>European elm scale<\/h2><\/div><\/div>European elm scale,\nEriococcus spuria\nOrder: Hemiptera\nFamily: Eriococcidae\nDescription\nAll scale insects undergo incomplete metamorphosis and have three life stages: egg, nymph, adult. These ...<\/div><\/article><\/a><\/figure>Eriophyid mites<\/h2><\/div><\/div>Eriophyid mites\nOrder: Acari\nFamily: Eriophyidae\nDescription\nAdults have cylindrical bodies that taper at both the head and rear. They are translucent white or yellow and have two pairs of legs ...<\/div><\/article><\/a><\/figure>Emerald ash borer<\/h2><\/div><\/div>Emerald ash borer, Agrillus\u00a0planipennis\nOrder: ColeopteraFamily: Buprestidae\nDescription\nEmerald ash borer, abbreviated EAB, is an invasive beetle that was first detected in Colorado in 2013. ...<\/div><\/article><\/a><\/figure>Elm leaf beetle<\/h2><\/div><\/div>Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Locust borer, Megacyllene robiniae\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nLocust borer adults have brightly colored yellow markings and are about 19 mm (0.75 inch) long. The beetles ...<\/div><\/article><\/a><\/figure>Lilac borer<\/h2><\/div>
![\"Lilac](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2022\/08\/Lilac-1080x675.jpg\")
<\/a><\/figure>Lilac borer<\/h2><\/div><\/div>Lilac borer, Podosesia syringae\nOrder: LepidopteraFamily: Sesiidae\nDescription\nUnlike most moth species, lilac borer adults are most active during the day. They resemble paper wasps (Poilstes ...<\/div><\/article><\/a><\/figure>Japanese beetle in ornamentals<\/h2><\/div><\/div>Japanese Beetle,\u00a0Popillia\u00a0japonica\nOrder: ColeopteraFamily: Scarabidae\nDescription\nThe adult Japanese beetle (order: Coleoptera, family: Scarabaeidae) has an oval body and is about 15 mm (3\/5 ...<\/div><\/article><\/a><\/figure>Ips beetles<\/h2><\/div><\/div>Ips beetles, Ips spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThere are 11 species of Ips spp. inhabiting Colorado: Ips hunteri, Ips pilifrons, Ips pini, Ips knausi, Ips ...<\/div><\/article><\/a><\/figure>Insect and mite galls<\/h2><\/div><\/div>Insect and mite galls\nOrders: Acari, Hemiptera, Hymenoptera, Diptera\nFamilies: Adelgidae, Agromyzidae, Aphalaridae, Aphididae, Eriophyidae, Cecidomyiidae, Cinipidae\nDescription and life ...<\/div><\/article><\/a><\/figure>Horntails<\/h2><\/div><\/div>Horntails,\u00a0Sirex spp.\nOrder: HymenopteraFamily: Siricidae\nDescription\nGenerally, horntail wasps are moderately large at about 37.5 mm (1.5 inches) and have broad heads with small eyes. Adult ...<\/div><\/article><\/a><\/figure>Honeylocust pod gall midge<\/h2><\/div><\/div>Honeylocust pod gall midge, Dasineura gleditchiae\nOrder: DipteraFamily: Cecidomyiidae\nDescription\nDasineura gleditchiae, commonly referred to as the \u201choney locust pod gall midge\u201d, is an ...<\/div><\/article><\/a><\/figure>Hawthorn mealybug<\/h2><\/div><\/div>Hawthorn mealybug,\u00a0Phenacoccus dearnessi\nOrder: HemipteraFamily: Pseudococcidae\nDescription\nThe hawthorn mealybug\u00a0is an introduced species in Colorado. It feeds on twigs and small branches of ...<\/div><\/article><\/a><\/figure>Giant conifer aphids<\/h2><\/div><\/div>Giant conifer aphids\nOrder: HemipteraFamily: Aphididae\nDescription\nCinara spp. are commonly referred to as giant conifer aphids and collectively feed on pines (Pinus spp.), juniper (Juniperus ...<\/div><\/article><\/a><\/figure>Gambel oak borer<\/h2><\/div><\/div>Gambel oak borer, Agrilus quercicola\nOrder: ColeopteraFamily: Buprestidae\nDescription\nThe Gambel oak borer is a native species of wood boring beetle found in forest stands of Gambel oak ...<\/div><\/article><\/a><\/figure>European elm scale<\/h2><\/div><\/div>European elm scale,\nEriococcus spuria\nOrder: Hemiptera\nFamily: Eriococcidae\nDescription\nAll scale insects undergo incomplete metamorphosis and have three life stages: egg, nymph, adult. These ...<\/div><\/article><\/a><\/figure>Eriophyid mites<\/h2><\/div><\/div>Eriophyid mites\nOrder: Acari\nFamily: Eriophyidae\nDescription\nAdults have cylindrical bodies that taper at both the head and rear. They are translucent white or yellow and have two pairs of legs ...<\/div><\/article><\/a><\/figure>Emerald ash borer<\/h2><\/div><\/div>Emerald ash borer, Agrillus\u00a0planipennis\nOrder: ColeopteraFamily: Buprestidae\nDescription\nEmerald ash borer, abbreviated EAB, is an invasive beetle that was first detected in Colorado in 2013. ...<\/div><\/article><\/a><\/figure>Elm leaf beetle<\/h2><\/div><\/div>Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Lilac borer, Podosesia syringae\nOrder: LepidopteraFamily: Sesiidae\nDescription\nUnlike most moth species, lilac borer adults are most active during the day. They resemble paper wasps (Poilstes ...<\/div><\/article><\/a><\/figure>Japanese beetle in ornamentals<\/h2><\/div>
![\"Japanese](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2022\/03\/Japanese-Beetle-1080x675.jpeg\")
<\/a><\/figure>Japanese beetle in ornamentals<\/h2><\/div><\/div>Japanese Beetle,\u00a0Popillia\u00a0japonica\nOrder: ColeopteraFamily: Scarabidae\nDescription\nThe adult Japanese beetle (order: Coleoptera, family: Scarabaeidae) has an oval body and is about 15 mm (3\/5 ...<\/div><\/article><\/a><\/figure>Ips beetles<\/h2><\/div><\/div>Ips beetles, Ips spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThere are 11 species of Ips spp. inhabiting Colorado: Ips hunteri, Ips pilifrons, Ips pini, Ips knausi, Ips ...<\/div><\/article><\/a><\/figure>Insect and mite galls<\/h2><\/div><\/div>Insect and mite galls\nOrders: Acari, Hemiptera, Hymenoptera, Diptera\nFamilies: Adelgidae, Agromyzidae, Aphalaridae, Aphididae, Eriophyidae, Cecidomyiidae, Cinipidae\nDescription and life ...<\/div><\/article><\/a><\/figure>Horntails<\/h2><\/div><\/div>Horntails,\u00a0Sirex spp.\nOrder: HymenopteraFamily: Siricidae\nDescription\nGenerally, horntail wasps are moderately large at about 37.5 mm (1.5 inches) and have broad heads with small eyes. Adult ...<\/div><\/article><\/a><\/figure>Honeylocust pod gall midge<\/h2><\/div><\/div>Honeylocust pod gall midge, Dasineura gleditchiae\nOrder: DipteraFamily: Cecidomyiidae\nDescription\nDasineura gleditchiae, commonly referred to as the \u201choney locust pod gall midge\u201d, is an ...<\/div><\/article><\/a><\/figure>Hawthorn mealybug<\/h2><\/div><\/div>Hawthorn mealybug,\u00a0Phenacoccus dearnessi\nOrder: HemipteraFamily: Pseudococcidae\nDescription\nThe hawthorn mealybug\u00a0is an introduced species in Colorado. It feeds on twigs and small branches of ...<\/div><\/article><\/a><\/figure>Giant conifer aphids<\/h2><\/div><\/div>Giant conifer aphids\nOrder: HemipteraFamily: Aphididae\nDescription\nCinara spp. are commonly referred to as giant conifer aphids and collectively feed on pines (Pinus spp.), juniper (Juniperus ...<\/div><\/article><\/a><\/figure>Gambel oak borer<\/h2><\/div><\/div>Gambel oak borer, Agrilus quercicola\nOrder: ColeopteraFamily: Buprestidae\nDescription\nThe Gambel oak borer is a native species of wood boring beetle found in forest stands of Gambel oak ...<\/div><\/article><\/a><\/figure>European elm scale<\/h2><\/div><\/div>European elm scale,\nEriococcus spuria\nOrder: Hemiptera\nFamily: Eriococcidae\nDescription\nAll scale insects undergo incomplete metamorphosis and have three life stages: egg, nymph, adult. These ...<\/div><\/article><\/a><\/figure>Eriophyid mites<\/h2><\/div><\/div>Eriophyid mites\nOrder: Acari\nFamily: Eriophyidae\nDescription\nAdults have cylindrical bodies that taper at both the head and rear. They are translucent white or yellow and have two pairs of legs ...<\/div><\/article><\/a><\/figure>Emerald ash borer<\/h2><\/div><\/div>Emerald ash borer, Agrillus\u00a0planipennis\nOrder: ColeopteraFamily: Buprestidae\nDescription\nEmerald ash borer, abbreviated EAB, is an invasive beetle that was first detected in Colorado in 2013. ...<\/div><\/article><\/a><\/figure>Elm leaf beetle<\/h2><\/div><\/div>Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Japanese Beetle,\u00a0Popillia\u00a0japonica\nOrder: ColeopteraFamily: Scarabidae\nDescription\nThe adult Japanese beetle (order: Coleoptera, family: Scarabaeidae) has an oval body and is about 15 mm (3\/5 ...<\/div><\/article><\/a><\/figure>Ips beetles<\/h2><\/div>
![\"Ips](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2023\/05\/Adult-ips-beetle-1080x675.jpg\")
<\/a><\/figure>Ips beetles<\/h2><\/div><\/div>Ips beetles, Ips spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThere are 11 species of Ips spp. inhabiting Colorado: Ips hunteri, Ips pilifrons, Ips pini, Ips knausi, Ips ...<\/div><\/article><\/a><\/figure>Insect and mite galls<\/h2><\/div><\/div>Insect and mite galls\nOrders: Acari, Hemiptera, Hymenoptera, Diptera\nFamilies: Adelgidae, Agromyzidae, Aphalaridae, Aphididae, Eriophyidae, Cecidomyiidae, Cinipidae\nDescription and life ...<\/div><\/article><\/a><\/figure>Horntails<\/h2><\/div><\/div>Horntails,\u00a0Sirex spp.\nOrder: HymenopteraFamily: Siricidae\nDescription\nGenerally, horntail wasps are moderately large at about 37.5 mm (1.5 inches) and have broad heads with small eyes. Adult ...<\/div><\/article><\/a><\/figure>Honeylocust pod gall midge<\/h2><\/div><\/div>Honeylocust pod gall midge, Dasineura gleditchiae\nOrder: DipteraFamily: Cecidomyiidae\nDescription\nDasineura gleditchiae, commonly referred to as the \u201choney locust pod gall midge\u201d, is an ...<\/div><\/article><\/a><\/figure>Hawthorn mealybug<\/h2><\/div><\/div>Hawthorn mealybug,\u00a0Phenacoccus dearnessi\nOrder: HemipteraFamily: Pseudococcidae\nDescription\nThe hawthorn mealybug\u00a0is an introduced species in Colorado. It feeds on twigs and small branches of ...<\/div><\/article><\/a><\/figure>Giant conifer aphids<\/h2><\/div><\/div>Giant conifer aphids\nOrder: HemipteraFamily: Aphididae\nDescription\nCinara spp. are commonly referred to as giant conifer aphids and collectively feed on pines (Pinus spp.), juniper (Juniperus ...<\/div><\/article><\/a><\/figure>Gambel oak borer<\/h2><\/div><\/div>Gambel oak borer, Agrilus quercicola\nOrder: ColeopteraFamily: Buprestidae\nDescription\nThe Gambel oak borer is a native species of wood boring beetle found in forest stands of Gambel oak ...<\/div><\/article><\/a><\/figure>European elm scale<\/h2><\/div><\/div>European elm scale,\nEriococcus spuria\nOrder: Hemiptera\nFamily: Eriococcidae\nDescription\nAll scale insects undergo incomplete metamorphosis and have three life stages: egg, nymph, adult. These ...<\/div><\/article><\/a><\/figure>Eriophyid mites<\/h2><\/div><\/div>Eriophyid mites\nOrder: Acari\nFamily: Eriophyidae\nDescription\nAdults have cylindrical bodies that taper at both the head and rear. They are translucent white or yellow and have two pairs of legs ...<\/div><\/article><\/a><\/figure>Emerald ash borer<\/h2><\/div><\/div>Emerald ash borer, Agrillus\u00a0planipennis\nOrder: ColeopteraFamily: Buprestidae\nDescription\nEmerald ash borer, abbreviated EAB, is an invasive beetle that was first detected in Colorado in 2013. ...<\/div><\/article><\/a><\/figure>Elm leaf beetle<\/h2><\/div><\/div>Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Ips beetles, Ips spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThere are 11 species of Ips spp. inhabiting Colorado: Ips hunteri, Ips pilifrons, Ips pini, Ips knausi, Ips ...<\/div><\/article><\/a><\/figure>Insect and mite galls<\/h2><\/div>
![\"Insect](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2023\/11\/Leaves-finger-galls-1080x675.webp\")
<\/a><\/figure>Insect and mite galls<\/h2><\/div><\/div>Insect and mite galls\nOrders: Acari, Hemiptera, Hymenoptera, Diptera\nFamilies: Adelgidae, Agromyzidae, Aphalaridae, Aphididae, Eriophyidae, Cecidomyiidae, Cinipidae\nDescription and life ...<\/div><\/article><\/a><\/figure>Horntails<\/h2><\/div><\/div>Horntails,\u00a0Sirex spp.\nOrder: HymenopteraFamily: Siricidae\nDescription\nGenerally, horntail wasps are moderately large at about 37.5 mm (1.5 inches) and have broad heads with small eyes. Adult ...<\/div><\/article><\/a><\/figure>Honeylocust pod gall midge<\/h2><\/div><\/div>Honeylocust pod gall midge, Dasineura gleditchiae\nOrder: DipteraFamily: Cecidomyiidae\nDescription\nDasineura gleditchiae, commonly referred to as the \u201choney locust pod gall midge\u201d, is an ...<\/div><\/article><\/a><\/figure>Hawthorn mealybug<\/h2><\/div><\/div>Hawthorn mealybug,\u00a0Phenacoccus dearnessi\nOrder: HemipteraFamily: Pseudococcidae\nDescription\nThe hawthorn mealybug\u00a0is an introduced species in Colorado. It feeds on twigs and small branches of ...<\/div><\/article><\/a><\/figure>Giant conifer aphids<\/h2><\/div><\/div>Giant conifer aphids\nOrder: HemipteraFamily: Aphididae\nDescription\nCinara spp. are commonly referred to as giant conifer aphids and collectively feed on pines (Pinus spp.), juniper (Juniperus ...<\/div><\/article><\/a><\/figure>Gambel oak borer<\/h2><\/div><\/div>Gambel oak borer, Agrilus quercicola\nOrder: ColeopteraFamily: Buprestidae\nDescription\nThe Gambel oak borer is a native species of wood boring beetle found in forest stands of Gambel oak ...<\/div><\/article><\/a><\/figure>European elm scale<\/h2><\/div><\/div>European elm scale,\nEriococcus spuria\nOrder: Hemiptera\nFamily: Eriococcidae\nDescription\nAll scale insects undergo incomplete metamorphosis and have three life stages: egg, nymph, adult. These ...<\/div><\/article><\/a><\/figure>Eriophyid mites<\/h2><\/div><\/div>Eriophyid mites\nOrder: Acari\nFamily: Eriophyidae\nDescription\nAdults have cylindrical bodies that taper at both the head and rear. They are translucent white or yellow and have two pairs of legs ...<\/div><\/article><\/a><\/figure>Emerald ash borer<\/h2><\/div><\/div>Emerald ash borer, Agrillus\u00a0planipennis\nOrder: ColeopteraFamily: Buprestidae\nDescription\nEmerald ash borer, abbreviated EAB, is an invasive beetle that was first detected in Colorado in 2013. ...<\/div><\/article><\/a><\/figure>Elm leaf beetle<\/h2><\/div><\/div>Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Insect and mite galls\nOrders: Acari, Hemiptera, Hymenoptera, Diptera\nFamilies: Adelgidae, Agromyzidae, Aphalaridae, Aphididae, Eriophyidae, Cecidomyiidae, Cinipidae\nDescription and life ...<\/div><\/article><\/a><\/figure>Horntails<\/h2><\/div>
![\"Horntails\"](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2022\/07\/woodwasp-adult-1080x675.jpg\")
<\/a><\/figure>Horntails<\/h2><\/div><\/div>Horntails,\u00a0Sirex spp.\nOrder: HymenopteraFamily: Siricidae\nDescription\nGenerally, horntail wasps are moderately large at about 37.5 mm (1.5 inches) and have broad heads with small eyes. Adult ...<\/div><\/article><\/a><\/figure>Honeylocust pod gall midge<\/h2><\/div><\/div>Honeylocust pod gall midge, Dasineura gleditchiae\nOrder: DipteraFamily: Cecidomyiidae\nDescription\nDasineura gleditchiae, commonly referred to as the \u201choney locust pod gall midge\u201d, is an ...<\/div><\/article><\/a><\/figure>Hawthorn mealybug<\/h2><\/div><\/div>Hawthorn mealybug,\u00a0Phenacoccus dearnessi\nOrder: HemipteraFamily: Pseudococcidae\nDescription\nThe hawthorn mealybug\u00a0is an introduced species in Colorado. It feeds on twigs and small branches of ...<\/div><\/article><\/a><\/figure>Giant conifer aphids<\/h2><\/div><\/div>Giant conifer aphids\nOrder: HemipteraFamily: Aphididae\nDescription\nCinara spp. are commonly referred to as giant conifer aphids and collectively feed on pines (Pinus spp.), juniper (Juniperus ...<\/div><\/article><\/a><\/figure>Gambel oak borer<\/h2><\/div><\/div>Gambel oak borer, Agrilus quercicola\nOrder: ColeopteraFamily: Buprestidae\nDescription\nThe Gambel oak borer is a native species of wood boring beetle found in forest stands of Gambel oak ...<\/div><\/article><\/a><\/figure>European elm scale<\/h2><\/div><\/div>European elm scale,\nEriococcus spuria\nOrder: Hemiptera\nFamily: Eriococcidae\nDescription\nAll scale insects undergo incomplete metamorphosis and have three life stages: egg, nymph, adult. These ...<\/div><\/article><\/a><\/figure>Eriophyid mites<\/h2><\/div><\/div>Eriophyid mites\nOrder: Acari\nFamily: Eriophyidae\nDescription\nAdults have cylindrical bodies that taper at both the head and rear. They are translucent white or yellow and have two pairs of legs ...<\/div><\/article><\/a><\/figure>Emerald ash borer<\/h2><\/div><\/div>Emerald ash borer, Agrillus\u00a0planipennis\nOrder: ColeopteraFamily: Buprestidae\nDescription\nEmerald ash borer, abbreviated EAB, is an invasive beetle that was first detected in Colorado in 2013. ...<\/div><\/article><\/a><\/figure>Elm leaf beetle<\/h2><\/div><\/div>Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Horntails,\u00a0Sirex spp.\nOrder: HymenopteraFamily: Siricidae\nDescription\nGenerally, horntail wasps are moderately large at about 37.5 mm (1.5 inches) and have broad heads with small eyes. Adult ...<\/div><\/article><\/a><\/figure>Honeylocust pod gall midge<\/h2><\/div>
![\"Honeylocust](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2025\/04\/Opened-gall-with-honeylocust-pod-gall-midge-1080x675.jpg\")
<\/a><\/figure>Honeylocust pod gall midge<\/h2><\/div><\/div>Honeylocust pod gall midge, Dasineura gleditchiae\nOrder: DipteraFamily: Cecidomyiidae\nDescription\nDasineura gleditchiae, commonly referred to as the \u201choney locust pod gall midge\u201d, is an ...<\/div><\/article><\/a><\/figure>Hawthorn mealybug<\/h2><\/div><\/div>Hawthorn mealybug,\u00a0Phenacoccus dearnessi\nOrder: HemipteraFamily: Pseudococcidae\nDescription\nThe hawthorn mealybug\u00a0is an introduced species in Colorado. It feeds on twigs and small branches of ...<\/div><\/article><\/a><\/figure>Giant conifer aphids<\/h2><\/div><\/div>Giant conifer aphids\nOrder: HemipteraFamily: Aphididae\nDescription\nCinara spp. are commonly referred to as giant conifer aphids and collectively feed on pines (Pinus spp.), juniper (Juniperus ...<\/div><\/article><\/a><\/figure>Gambel oak borer<\/h2><\/div><\/div>Gambel oak borer, Agrilus quercicola\nOrder: ColeopteraFamily: Buprestidae\nDescription\nThe Gambel oak borer is a native species of wood boring beetle found in forest stands of Gambel oak ...<\/div><\/article><\/a><\/figure>European elm scale<\/h2><\/div><\/div>European elm scale,\nEriococcus spuria\nOrder: Hemiptera\nFamily: Eriococcidae\nDescription\nAll scale insects undergo incomplete metamorphosis and have three life stages: egg, nymph, adult. These ...<\/div><\/article><\/a><\/figure>Eriophyid mites<\/h2><\/div><\/div>Eriophyid mites\nOrder: Acari\nFamily: Eriophyidae\nDescription\nAdults have cylindrical bodies that taper at both the head and rear. They are translucent white or yellow and have two pairs of legs ...<\/div><\/article><\/a><\/figure>Emerald ash borer<\/h2><\/div><\/div>Emerald ash borer, Agrillus\u00a0planipennis\nOrder: ColeopteraFamily: Buprestidae\nDescription\nEmerald ash borer, abbreviated EAB, is an invasive beetle that was first detected in Colorado in 2013. ...<\/div><\/article><\/a><\/figure>Elm leaf beetle<\/h2><\/div><\/div>Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Honeylocust pod gall midge, Dasineura gleditchiae\nOrder: DipteraFamily: Cecidomyiidae\nDescription\nDasineura gleditchiae, commonly referred to as the \u201choney locust pod gall midge\u201d, is an ...<\/div><\/article><\/a><\/figure>Hawthorn mealybug<\/h2><\/div>
![\"Hawthorn](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2024\/03\/adults-crawlers-hawthorn-mealybug-1080x700-min-1080x675.jpg\")
<\/a><\/figure>Hawthorn mealybug<\/h2><\/div><\/div>Hawthorn mealybug,\u00a0Phenacoccus dearnessi\nOrder: HemipteraFamily: Pseudococcidae\nDescription\nThe hawthorn mealybug\u00a0is an introduced species in Colorado. It feeds on twigs and small branches of ...<\/div><\/article><\/a><\/figure>Giant conifer aphids<\/h2><\/div><\/div>Giant conifer aphids\nOrder: HemipteraFamily: Aphididae\nDescription\nCinara spp. are commonly referred to as giant conifer aphids and collectively feed on pines (Pinus spp.), juniper (Juniperus ...<\/div><\/article><\/a><\/figure>Gambel oak borer<\/h2><\/div><\/div>Gambel oak borer, Agrilus quercicola\nOrder: ColeopteraFamily: Buprestidae\nDescription\nThe Gambel oak borer is a native species of wood boring beetle found in forest stands of Gambel oak ...<\/div><\/article><\/a><\/figure>European elm scale<\/h2><\/div><\/div>European elm scale,\nEriococcus spuria\nOrder: Hemiptera\nFamily: Eriococcidae\nDescription\nAll scale insects undergo incomplete metamorphosis and have three life stages: egg, nymph, adult. These ...<\/div><\/article><\/a><\/figure>Eriophyid mites<\/h2><\/div><\/div>Eriophyid mites\nOrder: Acari\nFamily: Eriophyidae\nDescription\nAdults have cylindrical bodies that taper at both the head and rear. They are translucent white or yellow and have two pairs of legs ...<\/div><\/article><\/a><\/figure>Emerald ash borer<\/h2><\/div><\/div>Emerald ash borer, Agrillus\u00a0planipennis\nOrder: ColeopteraFamily: Buprestidae\nDescription\nEmerald ash borer, abbreviated EAB, is an invasive beetle that was first detected in Colorado in 2013. ...<\/div><\/article><\/a><\/figure>Elm leaf beetle<\/h2><\/div><\/div>Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Hawthorn mealybug,\u00a0Phenacoccus dearnessi\nOrder: HemipteraFamily: Pseudococcidae\nDescription\nThe hawthorn mealybug\u00a0is an introduced species in Colorado. It feeds on twigs and small branches of ...<\/div><\/article><\/a><\/figure>Giant conifer aphids<\/h2><\/div>
![\"Giant](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2023\/10\/Giant-conifer-aphids-1080x675.webp\")
<\/a><\/figure>Giant conifer aphids<\/h2><\/div><\/div>Giant conifer aphids\nOrder: HemipteraFamily: Aphididae\nDescription\nCinara spp. are commonly referred to as giant conifer aphids and collectively feed on pines (Pinus spp.), juniper (Juniperus ...<\/div><\/article><\/a><\/figure>Gambel oak borer<\/h2><\/div><\/div>Gambel oak borer, Agrilus quercicola\nOrder: ColeopteraFamily: Buprestidae\nDescription\nThe Gambel oak borer is a native species of wood boring beetle found in forest stands of Gambel oak ...<\/div><\/article><\/a><\/figure>European elm scale<\/h2><\/div><\/div>European elm scale,\nEriococcus spuria\nOrder: Hemiptera\nFamily: Eriococcidae\nDescription\nAll scale insects undergo incomplete metamorphosis and have three life stages: egg, nymph, adult. These ...<\/div><\/article><\/a><\/figure>Eriophyid mites<\/h2><\/div><\/div>Eriophyid mites\nOrder: Acari\nFamily: Eriophyidae\nDescription\nAdults have cylindrical bodies that taper at both the head and rear. They are translucent white or yellow and have two pairs of legs ...<\/div><\/article><\/a><\/figure>Emerald ash borer<\/h2><\/div><\/div>Emerald ash borer, Agrillus\u00a0planipennis\nOrder: ColeopteraFamily: Buprestidae\nDescription\nEmerald ash borer, abbreviated EAB, is an invasive beetle that was first detected in Colorado in 2013. ...<\/div><\/article><\/a><\/figure>Elm leaf beetle<\/h2><\/div><\/div>Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Giant conifer aphids\nOrder: HemipteraFamily: Aphididae\nDescription\nCinara spp. are commonly referred to as giant conifer aphids and collectively feed on pines (Pinus spp.), juniper (Juniperus ...<\/div><\/article><\/a><\/figure>Gambel oak borer<\/h2><\/div>
![\"Gambel](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2023\/09\/lateral-view-adult-Gambel-oak-borer-1080x675.jpg\")
<\/a><\/figure>Gambel oak borer<\/h2><\/div><\/div>Gambel oak borer, Agrilus quercicola\nOrder: ColeopteraFamily: Buprestidae\nDescription\nThe Gambel oak borer is a native species of wood boring beetle found in forest stands of Gambel oak ...<\/div><\/article><\/a><\/figure>European elm scale<\/h2><\/div><\/div>European elm scale,\nEriococcus spuria\nOrder: Hemiptera\nFamily: Eriococcidae\nDescription\nAll scale insects undergo incomplete metamorphosis and have three life stages: egg, nymph, adult. These ...<\/div><\/article><\/a><\/figure>Eriophyid mites<\/h2><\/div><\/div>Eriophyid mites\nOrder: Acari\nFamily: Eriophyidae\nDescription\nAdults have cylindrical bodies that taper at both the head and rear. They are translucent white or yellow and have two pairs of legs ...<\/div><\/article><\/a><\/figure>Emerald ash borer<\/h2><\/div><\/div>Emerald ash borer, Agrillus\u00a0planipennis\nOrder: ColeopteraFamily: Buprestidae\nDescription\nEmerald ash borer, abbreviated EAB, is an invasive beetle that was first detected in Colorado in 2013. ...<\/div><\/article><\/a><\/figure>Elm leaf beetle<\/h2><\/div><\/div>Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Gambel oak borer, Agrilus quercicola\nOrder: ColeopteraFamily: Buprestidae\nDescription\nThe Gambel oak borer is a native species of wood boring beetle found in forest stands of Gambel oak ...<\/div><\/article><\/a><\/figure>European elm scale<\/h2><\/div>
![\"European](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2022\/08\/European-elm-scale-1080x675.jpg\")
<\/a><\/figure>European elm scale<\/h2><\/div><\/div>European elm scale,\nEriococcus spuria\nOrder: Hemiptera\nFamily: Eriococcidae\nDescription\nAll scale insects undergo incomplete metamorphosis and have three life stages: egg, nymph, adult. These ...<\/div><\/article><\/a><\/figure>Eriophyid mites<\/h2><\/div><\/div>Eriophyid mites\nOrder: Acari\nFamily: Eriophyidae\nDescription\nAdults have cylindrical bodies that taper at both the head and rear. They are translucent white or yellow and have two pairs of legs ...<\/div><\/article><\/a><\/figure>Emerald ash borer<\/h2><\/div><\/div>Emerald ash borer, Agrillus\u00a0planipennis\nOrder: ColeopteraFamily: Buprestidae\nDescription\nEmerald ash borer, abbreviated EAB, is an invasive beetle that was first detected in Colorado in 2013. ...<\/div><\/article><\/a><\/figure>Elm leaf beetle<\/h2><\/div><\/div>Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
European elm scale,\nEriococcus spuria\nOrder: Hemiptera\nFamily: Eriococcidae\nDescription\nAll scale insects undergo incomplete metamorphosis and have three life stages: egg, nymph, adult. These ...<\/div><\/article><\/a><\/figure>Eriophyid mites<\/h2><\/div>
![\"Eriophyid](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2022\/08\/single-eriphyid-mite-1080x675.jpg\")
<\/a><\/figure>Eriophyid mites<\/h2><\/div><\/div>Eriophyid mites\nOrder: Acari\nFamily: Eriophyidae\nDescription\nAdults have cylindrical bodies that taper at both the head and rear. They are translucent white or yellow and have two pairs of legs ...<\/div><\/article><\/a><\/figure>Emerald ash borer<\/h2><\/div><\/div>Emerald ash borer, Agrillus\u00a0planipennis\nOrder: ColeopteraFamily: Buprestidae\nDescription\nEmerald ash borer, abbreviated EAB, is an invasive beetle that was first detected in Colorado in 2013. ...<\/div><\/article><\/a><\/figure>Elm leaf beetle<\/h2><\/div><\/div>Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Eriophyid mites\nOrder: Acari\nFamily: Eriophyidae\nDescription\nAdults have cylindrical bodies that taper at both the head and rear. They are translucent white or yellow and have two pairs of legs ...<\/div><\/article><\/a><\/figure>Emerald ash borer<\/h2><\/div>
![\"Emerald](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2022\/03\/EAB-1079x675.jpeg\")
<\/a><\/figure>Emerald ash borer<\/h2><\/div><\/div>Emerald ash borer, Agrillus\u00a0planipennis\nOrder: ColeopteraFamily: Buprestidae\nDescription\nEmerald ash borer, abbreviated EAB, is an invasive beetle that was first detected in Colorado in 2013. ...<\/div><\/article><\/a><\/figure>Elm leaf beetle<\/h2><\/div><\/div>Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Emerald ash borer, Agrillus\u00a0planipennis\nOrder: ColeopteraFamily: Buprestidae\nDescription\nEmerald ash borer, abbreviated EAB, is an invasive beetle that was first detected in Colorado in 2013. ...<\/div><\/article><\/a><\/figure>Elm leaf beetle<\/h2><\/div>
![\"Elm](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2023\/05\/Adult-elm-leaf-beetle-1080x675.jpg\")
<\/a><\/figure>Elm leaf beetle<\/h2><\/div><\/div>Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Elm leaf beetle, Xanthogaleruca luteola\nOrder: ColeopteraFamily: Chrysomelidae\nDescription\nThe elm leaf beetle was first detected in the United States in 1830 and is now present throughout ...<\/div><\/article><\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div>
![\"Douglas-fir](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2023\/06\/Caterpillar-douglas-fir-tussock-moth-1080x675.jpg\")
<\/a><\/figure>Douglas-fir tussock moth<\/h2><\/div><\/div>Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Douglas-fir tussock moth, Orgyia pseudotsugata\nOrder: LepidopteraFamily: Erebidae\nDescription\nYoung larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are ...<\/div><\/article><\/a><\/figure>Douglas-fir beetle<\/h2><\/div>
![\"Douglas-fir](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2024\/01\/Douglas-fir-beetle-adult-1080x675.webp\")
<\/a><\/figure>Douglas-fir beetle<\/h2><\/div><\/div>Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Douglas-fir beetle, Dendroctonus pseudotsugae\nOrder: ColeopteraFamily: Curculionidae\nDescription\nThe Douglas-fir beetle (Dendroctonus pseudotsugae) is native to North America and the most ...<\/div><\/article><\/a><\/figure>Dendroctonus spp.<\/h2><\/div>
![\"Dendroctonus](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2023\/09\/Lateral-view-spruce-beetle-1080x675.jpg\")
<\/a><\/figure>Dendroctonus spp.<\/h2><\/div><\/div>Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Dendroctonus spp.\nOrder: ColeopteraFamily: Curculionidae\nDescription\nTwo Dendroctonus spp. are of particular significance in Colorado, the mountain pine beetle (Dendroctonus ponderosae) and ...<\/div><\/article><\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div>
![\"Cooley](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2023\/11\/adults-cooley-spruce-adelgid-1080x675.webp\")
<\/a><\/figure>Cooley spruce gall adelgid<\/h2><\/div><\/div>Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Cooley spruce gall adelgid\nOrder: HemipteraFamily: Adelgidae\nDescription\nCooley spruce gall adelgids (Adelges cooleyi) are gall forming hemipterans. This species is widely distributed ...<\/div><\/article><\/a><\/figure>Cicadas<\/h2><\/div>
![\"Cicadas\"](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2023\/10\/adult-cicada-1080x675.webp\")
<\/a><\/figure>Cicadas<\/h2><\/div><\/div>Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Cicadas\nOrder: HemipteraFamily: Cicadidae, Tibicinidae\nDescription\nThere are about 29 species of cicada in Colorado that range in size and color. They often have black bodies with varying ...<\/div><\/article><\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div>
![\"Brownheaded](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2023\/05\/Larvae-brownheaded-ash-sawfly-1080x675.jpg\")
<\/a><\/figure>Brownheaded ash sawfly<\/h2><\/div><\/div>Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Brownheaded ash sawfly, Tomostethus multicinctus\nOrder: HymenopteraFamily: Tenthredinidae\nDescription\nAdults of the brownheaded ash sawfly (Tomostethus multicinctus) resemble small dark black ...<\/div><\/article><\/a><\/figure>Brown soft scale<\/h2><\/div>
![\"Brown](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2022\/03\/brown-scale-1-1080x675.jpeg\")
<\/a><\/figure>Brown soft scale<\/h2><\/div><\/div>Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Brown soft scale, Coccus\u00a0hesperidum\nOrder: HemipteraFamily: Coccidae\nDescription\nThe brown soft scale is the most important scale insect that occurs on indoor grown plants in Colorado. When ...<\/div><\/article><\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div>
![\"Beetle](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2024\/04\/Ashgray-blister-beetle-1080x700-min-1080x675.jpg\")
<\/a><\/figure>Beetle pests of honeylocust<\/h2><\/div><\/div>Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Beetle pests of honeylocust\nOrder: ColeopteraFamily: Meloidae, Buprestidae\nDescription and life history\nSeveral beetle species can attack honeylocust (Gleditsia triacanthos) in Colorado. Two ...<\/div><\/article><\/a><\/figure>Asian longhorned beetle<\/h2><\/div>
![\"Asian](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2024\/03\/Asian-longhorned-beetle-1080x700-min-1080x675.jpg\")
<\/a><\/figure>Asian longhorned beetle<\/h2><\/div><\/div>Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>Aphids on shade trees and ornamental plants<\/h2><\/div>
Asian longhorned beetle, Anoplophora glabripennis\nOrder: ColeopteraFamily: Cerambycidae\nDescription\nThe Asian longhorned beetle (ALB)\u00a0 is a species of wood-boring beetle that is native to China ...<\/div><\/article><\/a><\/figure>
![\"Aphids](\"https:\/\/agsci.colostate.edu\/agbio\/wp-content\/uploads\/sites\/127\/2022\/03\/currant-aphids-1080x675.jpeg\")
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