Northern Prairie Wildlife Research Center
Wingspan 3.9 cm. Forewing is dark brown to black with the only noticeable markings the white flecks along the postmedian line. This noctuid is common in dry forests and woodlands of western Oregon and California. Moths fly in midsummer. Caterpillars feed on foliage of manzanita (Arctostaphylos).
Similar species: Apamea plutonia (Noctuidae) has the reniform spot weakly edged in white, occurs in the wet forests of the coast range in Oregon, caterpillars feed on grasses; Melanchra pulverulenta (Noctuidae) has a prominent white spot on the lower distal margin of the forewing, uncommon.