Petrophila fulicalis, commonly known as the Black-dotted Petrophila, is a species of moth belonging to the family Crambidae. This small insect has a wingspan of about 2-3 centimeters and is characterized by its black wings with white and yellow markings. It is primarily found in rocky habitats, such as cliffs and boulder fields, where it feeds on lichens and algae. The larvae of Petrophila fulicalis construct silken tubes on rocks, where they reside and pupate.