About Digrammia irrorata (Packard, 1876)
Digrammia irrorata is a moth species that belongs to the Geometridae family. It was first formally described by Alpheus Spring Packard in 1876. This moth is found in western United States and south-western Canada, with a range extending from Oklahoma to California, and northward to British Columbia and Alberta. The wingspan of adult Digrammia irrorata measures 23 to 26 millimeters. In the northern portion of the species' range, adults are active in flight from March to June. In the southern part of the range, the species produces several generations each year. The food plant used by Digrammia irrorata larvae is currently unknown.
