Ethmia perpulchra is a species of moth in the family Depressariidae. It was first described by Walsingham in 1912.
Distribution and habitat The species is found in Central America, ranging from Veracruz in Mexico south through Guatemala and Honduras to Costa Rica. In Costa Rica, it has been recorded on the Caribbean side of the Cordillera Volcánica de Guanacaste and Tilarán at elevations from 700 to 950 meters.
Description The length of the forewings is 8.2–11.7 mm (0.32–0.46 in). The ground color of the forewings is white. The hindwings are shining translucent white, becoming pale brownish toward the apex.
Behavior Adults are on wing from February to May.