Appearance
The wingspan is 60-71 mm. Fore wing has a basal orange patch which extending further along the costa with an extra black spot on the costa. Some subspecies has darker orange and brown colors. Larva has large head. There is a series of dorsal tubercles from 4th to terminal somite. Purplish brown with sparse hairs, the thoracic somites pale above. Some pale lateral spots present. There is a dorsal black line with oblique dorsal streaks found on somites seven to ten.References:
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