Northern Prairie Wildlife Research Center
Wingspan 4.1 cm. Forewing is gray with obscure discal spots; hindwing is pale gray. This noctuid is abundant in dry forests in the Pacific West. Moths fly in fall and into early spring. Caterpillars feed on the foliage of oak (Quercus).
Similar species: Lithophane georgii is larger, forewing pale gray with small black submarginal spots; Lithophane longior forewing is gray with a dark median band, hindwing pale gray, occurs in dry forests east of the Cascade Mountains, caterpillars feed on the foliage of juniper (Juniperus); Lithophane gausapata wings red-gray, occurs in the Pacific West, caterpillars feed on incense cedar (Calocedrus decurrens); Lithophane amanda forewing is pale gray with a yellow-orange subapical patch, hindwing pale gray, caterpillars feed on willow (Salix); Lithophane innominata forewing is pale yellow, hindwing black; Lithophane petulca forewing is dark red-brown, hindwing black; Lithophane baileyi forewing is white with black markings, hindwing black.