Locust borer, Megacyllene robiniae Order: ColeopteraFamily: Cerambycidae Description Locust borer adults have brightly colored yellow markings and are about 19 mm (0.75 inch) long. The beetles also have reddish legs in addition to a “W” shaped mark on the...
Lilac borer, Podosesia syringae Order: LepidopteraFamily: Sesiidae Description Unlike most moth species, lilac borer adults are most active during the day. They resemble paper wasps (Poilstes spp.), and this mimicry helps the moths ward off predators. Lilac borer...
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 insects can reproduce sexually or asexually. Female European elm scales are...
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 near the head, unlike most mites which have four pairs of legs.  Quick...
Horntails, Sirex spp. Order: HymenopteraFamily: Siricidae Description Generally, horntail wasps are moderately large at about 37.5 mm (1.5 inches) and have broad heads with small eyes. Adult coloration is determined by its species and gender, but most have a...
