Palpi upturned, slender and not reaching the vertex of head. Antennae minutely ciliated. Forewing narrow with arched costa. Veins 3 and 4stalked, vein 5 absent, vein 6 from angle of cell. Veins 7 and 8 stalked and vein 10 absent. Male with a patch of modified scales in the cell. Hindwings of maleexcised at apex, with vein 6 absent. Female with stalked veins 3 and 4, vein 5 from above angle of cell, stalked veins 6 and 7 and vein 8 from middle of cell. Forewings of male with a large costalfold and female with small of it.