Northern Prairie Wildlife Research Center
Wingspan 4.5 cm. Forewing is yellow with brown bands; hindwing is immaculate; abdomen yellow. This arctiid is common and widely distributed in western North America. Moths fly in midsummer. Caterpillars are generalist feeders on foliage of flowering trees and shrubs, in particular, oak (Quercus), alder (Alnus) and maple (Acer).
Similar species: Lophocampa argentata forewing gold-brown with silver-white spots, caterpillars feed on foliage of Pinaceae; Hemihyalea edwardsii wings are semitransparent with black markings, abdomen red-pink.