The male has a large tuft of hair arising from the base of the tibia of the foreleg. It differs from Nyctemera tripunctaria in the lower three spots of the post-medial band of forewing being separated and having another spot below them towards outer angle. Cilia white below the apex and at outer angle. Hindwing with the cilia white below the apex, and in most specimens at anal angle. The Sri Lankan subspecies has black veins 3 and 4 of hindwing and the spots of the postmedial band of forewing are smaller than other subspecies.
The larvae are purplish and hairy. Anterior somites yellowish. Each somite is black and marked with short dorsal and lateral white streaks. Pupa yellowish and spotted with black.[2]