Northern Prairie Wildlife Research Center
Wingspan 6.5 cm. Wings are semitransparent, creamy yellow-orange with faint black markings; thorax is yellow; abdomen is red-pink. This arctiid is common in oak woodlands in California and western Oregon. Moths fly in September. Caterpillars feed on foliage of oak (Quercus).
Similar species: Lophocampa maculata and Lophocampa argentata both lack semitransparent wings and possess a yellow abdomen.