Northern Prairie Wildlife Research Center
Wingspan 3.3 cm. Forewing is white with jagged black basal and postmedian bands and a black discal spot. This geometrid is common and widely distributed in western North America. Moths fly in fall. Caterpillars feed on the foliage of conifers, generally species of Pinaceae and commonly on Douglas-fir (Pseudotsuga menziesii).
Similar species: Nepytia canosaria occurs in the Rocky Mountain region.