Petrophila confusalis

Description

Petrophila confusalis, the confusing petrophila moth, is a moth in the family Crambidae. It was described by Francis Walker in 1866. It is found in North America, where it has been recorded from British Columbia, California, Maryland, Minnesota, Montana, Nevada, Oregon, Texas, Washington and Wyoming. The length of the forewing is 5–11 mm. Adults are on wing from April to September. The larvae feed on algae on rocks.