Palpi with second joint reaching above vertex of head. Third joint with a tuft of hair on inner side, usually in the males only. Antennae of males with long bristles and cilia. Thorax and abdomen smoothly scaled. Forewings with rectangular apex. The outer margin rounded. Veins 7 to 10 stalked, often with a minute areole at their base. Hindwings with veins 3,4 and 6,7 from angles of cell or on short stalks. Vein 5 from near middle of discocellulars.[1]