Palpi reaching just beyond the frons and roughly scaled. Antennae of male bipectinate (comb like on both sides) for two-thirds of their length. Hind tibia with one spur pair in both sexes. Forewings with veins 3 and 4 from angle of cell and vein 6 from upper angle. Veins 7, 8, 9 and 10 stalked and vein 11 anastomosing (fusing) with vein 12. Hindwings with frenulum absent. The outer margin rounded. Veins 3, 4 and 6, 7 stalked.[1]