Identification
Variable grayish brown, FW variably streaked with yellowish, red, and black. Usually has a black basal dot, and reniform spot. HW light yellowish with gray shading.
Caterpillar "Yellow, pink or brown with extensive netwrk of brown mottling.
A1 with fleshy, forward-projecting horn, cleft at its apex; last thoracic segment also drawn into sizable dorsal horn; and A5 humped. head usually with broad, brown stripe running from vertex to antenna."
(1) Pale chevron-shaped mark towards rear end of back.
Range
Most of Canada and the U.S.
Season
Flies May-September.
Two generations of mature caterpillars from June onward.
Food
A wide assortment of trees and shrubs. Apple, beech, birch, poplar, oak, maples, roses and willows.
