Agrilus difficilis Order: ColeopteraFamily: Buprestidae Description Agrilus difficilis is a species of wood boring beetle that attacks honey locust (Gleditisa triacanthos) trees. It is native to the United States and is widely distributed east of the Rocky Mountains...
Gambel oak borer, Agrilus quercicola Order: ColeopteraFamily: Buprestidae Description The Gambel oak borer is a native species of wood boring beetle found in forest stands of Gambel oak (Quercus gambelii). This pest can also attack oaks in urban areas and is...
Red turpentine beetle, Dendroctonus valens Order: Coleoptera Family: Curculionidae Description The red turpentine beetle is a native insect distributed throughout much of North and Central America, including most regions of the United States except for the southeast....
Douglas-fir tussock moth, Orgyia pseudotsugata Order: LepidopteraFamily: Erebidae Description Young larvae of the Douglas-fir tussock moth are black with long body hairs. Mature larvae are around 3.5 cm (1.4 inch) in length and develop brightly colored tufts of hair....
Ips beetles, Ips spp. Order: ColeopteraFamily: Curculionidae Description There are 11 species of Ips spp. inhabiting Colorado: Ips hunteri, Ips pilifrons, Ips pini, Ips knausi, Ips calligraphus, Ips confusus, Ips latidens, Ips borealis, Ips integer, Ips woodi, and Ips...
