Northern Prairie Wildlife Research Center
Wingspan 3.7 cm. Forewing is mottled black and white; hindwing is pale cream. This noctuid is common in the Pacific West in dry forests. Moths fly in early spring. Caterpillars feed on the foliage of oak (Quercus).
Similar species: Egira cognata forewing is mottled black and pale brown, hindwing pale yellow, common in wet conifer forests in the Pacific West, caterpillars are generalist feeders on the foliage of flowering trees and shrubs.