Older caterpillars are green with prominent eyespots on humped area near head. Disturbed larvae extend red tentacles and produce lemony odor. Larval development usually takes less than 30 days. Larvae pupate on the plant and produce a green or brown pupa. The pupal stage lasts about 2 weeks.
Adults are black with white spots on wings and a distinctive tail on hind wings.
Adults feed on nectar. Present in Micronesia including the Marianas and SE Asia. Larvae consume new growth of citrus. Young trees may be defoliated. On small trees, hand removal of eggs or larvae is recommended.