The head and thorax are black, the neck with some yellow scales. The abdomen is black with a dorsal series of large elliptical pale-yellow spots, confluent towards extremity. The legs are mostly white with some yellow and black. The ventral surface of abdomen has yellowish-white segmental bands, obsolescent towards the base. The forewings are hyaline (glass like) with black veins and margins and slight whitish streaks on and below the costa. The hindwings are hyaline with white veins, but black beyond the cell.