Northern Prairie Wildlife Research Center
Wingspan 4.4 cm. Forewing is a light red-brown with a gray discal area, obscure markings, and a black hair tuft in the center of the inner margin; hindwing is pale gray. This notodontid is rare, endemic to the Pacific West. Moths fly in spring. Caterpillar host plants are unknown.
Similar species: Notodonta scitipennis forewing with distinct markings, hindwing white, occurs in the southern Rocky Mountain region, caterpillars feed on the foliage of willow (Salix) and poplar (Populus); Odontosia elegans (Notodontidae) forewing black-gray with a large marginal hair tuft, hindwing white with a gray anal margin, occurs in the southern Rocky Mountain region, caterpillars feed on foliage of poplars.