About Byasa dasarada (Moore, 1857)
This butterfly species has a wingspan ranging from 100 to 140 millimeters. It resembles the common windmill butterfly, but is typically larger and has broader tails. The marginal crescent marking on the upper side of its hindwing is white or cream-colored. Males and females have similar appearances, though females often have a complete discal band made of white spots on the hindwing. This butterfly is regarded as beautiful in appearance. Its range covers Northern India, Northern Pakistan, Nepal, Bhutan, Myanmar, and south-eastern China including Hainan island of Guangdong province. The great windmill is not rare and is not a threatened species. Its recorded food plant is Aristolochia griffithi.