Very similar to H. celerio , but distinguished by its larger size, heavier markings and the absence of any black coloration along the hindwing veins. Attracted to light. In the region, individuals have been captured at light mainly between September and November. Very like that of H. celerio , but larger. In the brown form, dorsal surface to spiracles medium brown with fine, darker brown cross-lines and a fine, black dorsal stripe.
Intersegmental areas pale yellow, with two yellow spots on each segment.
Fine subdorsal and dorso-lateral yellow lines also present, which merge into a broad, yellow, lateral line in which the white spiracles are located. Ventral surface of body pale brown. Head pale brown. The other form has similar black markings but the brown coloration is replaced by green. Major Hostplants .