Petrophila fulicalis

Petrophila fulicalis is a moth in the Crambidae family. It was described by Clemens in 1860. It is found in North America, where it has been recorded from Alabama, Florida, Indiana, Maine, Maryland, Michigan, New York, North Carolina, Ohio, Oklahoma, Ontario, Pennsylvania, Tennessee and West Virginia.

The wingspan 13–18 mm. The ground colour of the forewings is white with greyish-brown bands and dark speckling. The hindwings are white with a dark median band, a patch of dark speckling near the costa and a line of black pale-centered spots along the outer margin. Adults are on wing from late May to October.

The larvae are aquatic and probably feed on diatoms and algae.