Northern Prairie Wildlife Research Center
Wingspan 5.6 cm. Forewing is yellow with brown-tan shading, an orange discal cell, a small white reniform spot, and narrow dark basal and postmedian lines. This notodontid is common in oak woodlands and widely distributed in western North America. Moths fly from late spring to late summer. Caterpillars feed on the foliage of a few flowering trees and shrubs, particularly oak (Quercus).
Similar species: Nadata oregonensis forewing is a pale brown with darker brown shading, pale brown discal cell, and dark brown submarginal veins, moths are common in the Pacific West, caterpillars feed on foliage of oak; Datana ministra (Notodontidae) forewing is light red-brown with narrow dark longitudinal lines, thorax is dark red-brown, widely distributed but not common in the Pacific Northwest, caterpillars are generalist feeders on the foliage of flowering trees.