Palpi porrect (extending forward), where the second joint thickly scaled and reaching beyond the frons. Third joint naked. Forewings with highly arched costa towards apex. The outer margin usually highly crenulate and excised between veins 4 and 6. Veins 3, 4 and 7 to 10 stalked. Vein 11 anastomosing (fusing) with vein 12. Hindwings quadrate, with margin highly crenulate (scalloped) and produced to a point at vein 6, and tail at vein 4. Veins 3, 4 and 6, 7 stalked.[1]