Ethmia epileuca is a moth in the Depressariidae family. It is found in the United States in southern California and Tucson, Arizona. The length of the forewings is 8.3-10.4 mm. The ground color of the forewings is divided by a straight longitudinal line, it is brown or gray-brown above and white below. The ground color of the hindwings (including fringe and underside) is white. Adults are on wing from February to April.