Hindwing with numerous orange scales. Extremely rare black female form. Females lay eggs singly on surface of host plant leaves.
Caterpillars eat leaves and rest on silken mats in shelters of curled leaves.
One flight from May to mid-July. Nectar from flowers. North America from central Alaska southeast across Canada and the northern Great Lakes states to northern New England. G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery. Opler, P. A. and V. Malikul.