the wingspan is 15–19 mm. the forewings are white with a rather thick suffused dark fuscous streak along the costa from the base to beyond the middle and a rounded-triangular dark fuscous blotch on the middle of the dorsum, reaching half across the wing. there is a slight spot of fuscous irroration on the end of the cell. there is a variable rounded blotch of dark fuscous irroration or suffusion extending over the termen. the hindwings are grey.