(Parnassius charltonius)
Parnassius charltonius, the regal Apollo, is a high-altitude butterfly which is found in India. It is a member of the snow Apollo genus (Parnassius) of the swallowtail family (Papilionidae). This handsome butterfly is found at altitudes from 9,000 to 13,000 feet (2,700 to 4,000 m) from Chitral to Kumaon.