Northern Prairie Wildlife Research Center
Wingspan 4.3 cm. Forewing is elongate, dark gray with a red median patch and the submarginal line strongly dentate; hindwing is mostly white in males, gray in females. This noctuid is common and widely distributed in dry forests. Moths fly in fall. Caterpillars feed on the foliage of manzanita (Arctostaphylos), snowbrush (Ceanothus velutinus), cherry (Prunus), bitterbrush (Purshia tridentata), and elderberry (Sambucus).
Similar species: Fishia yosemitae forewing is pale gray with strongly jagged dentate markings, occurs in pine forests and juniper woodlands east of the Cascade Mountains, moths fly in fall.