Northern Prairie Wildlife Research Center
Females are wingless. The male wingspan is 3.0 cm. Forewing is red-brown with a large white subanal spot in the postmedian area, hindwing red-orange to orange-brown. This lymantriid is known as the antique tussock moth and is common and widely distributed in western North America. Moths fly in late summer to fall. Caterpillars are generalist feeders on the foliage of flowering trees in the Rosaceae, Fagaceae, Ericaceae, and Salicaceae.