Tree and Shrub Pests

Insects

Tent Caterpillars

Tent Caterpillars

Tent Caterpillars Order: Lepidoptera Families: Erebidae & Lasiocampidae Description Tent caterpillars, Malacosoma spp. The forest tent caterpillar (Malacosoma disstria) is commonly found in ...
Spotted Lanternfly

Spotted Lanternfly

Spotted Lanternfly Lycorma delicatula Order: HemipteraFamily: Fulgoridae Description Spotted lanternfly (SLF) is an invasive planthopper native to Asia. Since it entered the US in 2014, SLF has ...
Spider Mites in Shade Trees

Spider Mites in Shade Trees

Spider Mites in Shade Trees Order: Acari Family: Tetranychidae Description Spruce spider mite, Oligonychus ununguis  The spruce spider mite is a native pest of spruce and juniper. Adults are ...
Oystershell Scale

Oystershell Scale

Oystershell Scale, Lepidosaphes ulmi Order: Hempitera Family: Diaspididae Description Unlike most insects, adult oystershell scales do not have legs, eyes, or antennae. Their appearance ...
Locust Borer

Locust Borer

Locust Borer, Megacyllene robiniae Order: Coleoptera Family: Cerambycidae Description Locust borer adults have brightly colored yellow markings and are about 19 mm (0.75 inch) long. The beetles ...
Lilac Borer

Lilac Borer

Lilac Borer, Podosesia syringae Order: Lepidoptera Family: Sesiidae Description Unlike most moth species, lilac borer adults are most active during the day. They resemble paper wasps (Poilstes ...
Japanese Beetle

Japanese Beetle

Japanese Beetle, Popillia japonica Japanese beetles have been one of the key insect pests of both turfgrass and landscape plants in the eastern US and now in the Western U.S. These beetles ...
Horntails

Horntails

Horntails Description Generally, horntail wasps are moderately large at about 37.5 mm or 1.5 inches and have broad heads with small eyes. Adult coloration is determined by its species and ...
European Elm Scale

European Elm Scale

European Elm Scale, Eriococcus spuria Order: Hemiptera Family: Eriococcidae Description All scale insects undergo incomplete metamorphosis and have three life stages: egg, nymph, adult. These ...
Eriophyid Mites

Eriophyid Mites

Eriophyid Mites Order: Acari Family: Eriophyidae Description Adults have cylindrical bodies that taper at both the head and rear. They are translucent white or yellow and have two pairs of legs ...
Emerald Ash Borer

Emerald Ash Borer

Emerald Ash Borer, Agrillus planipennis Emerald ash borer is an invasive pest of ash trees. Larvae of this pest feed beneath the bark, eventually killing the tree. Emerald ash borer was found ...
Brown Soft Scale

Brown Soft Scale

Brown Soft Scale, Coccus hesperidum Order: HemipteraFamily: Coccidae Description and Lifecycle Brown soft scales are small flattened oval insects that are common pests of greenhouse and house ...
Aphids on Shade Trees

Aphids on Shade Trees

Aphids on Shade Trees and Ornamentals Aphids are an extremely common insect in landscapes and gardens. In ornamental plants, shrubs and trees, some aphids cause wilting or leaf curling and ...

Diseases

This category is still under construction. Information coming soon. 

Weeds

This category is still under construction. Information coming soon.