Northern Prairie Wildlife Research Center
Wingspan 3.0 cm. Forewing is pale gray with a dark black-gray median area; hindwing is dark brown. This noctuid is abundant, but narrowly endemic to wet coastal forests. Moths fly in early summer. Caterpillars are generalist feeders on the foliage of flowering trees and shrubs.
Similar species: Lacinipolia vicina forewing is uniformly gray, hindwing white, widely distributed in dry forests and rangelands in western North America; Lacinipolia pensilis forewing is uniformly black-gray, hindwing with a dark submarginal band, widely distributed, and particularly abundant in ponderosa pine forests; Hecatera sutrina (Noctuidae) is larger, forewing with a jagged, dentate median spot, limited to high elevation forests in the Cascade and Rocky Mountains.