Petrophila kearfottalis

Petrophila kearfottalis is a moth in the Crambidae family. It is found in North America, where it has been recorded from Alberta, Arizona, British Columbia, California, Colorado, Montana, New Mexico and Texas.

The wingspan is about 21 mm. The ground colour of the forewings is whitish, crossed by two fuscous basal transverse bars. The central area is white with a dusting of black scales and there are four fuscous bars near the apex. There is a row of five black spots on the hindwings. The distal part is white with three black markings.

The larvae probably feed on algae.