About Petrophila canadensis Munroe, 1972
Petrophila canadensis, commonly called the Canadian petrophila moth, is a moth species belonging to the family Crambidae. Eugene G. Munroe first formally described the species in 1972. This moth is native to North America, with confirmed records from southern Canada and the northeastern United States. The wingspan of adult individuals ranges from 11 to 18 millimeters. Adult moths can be observed in flight from May through September, and the species produces two generations each year. Larvae of this species are aquatic, and they primarily feed on diatoms from the genera Navicula and Cymbella. Larvae have also been documented feeding on other algae. This species survives winter in the adult life stage.
