Papilio polyctor, the common peacock, is a swallowtail butterfly found in the Indian subcontinent. It is found in the Himalayas and parts of India from the foothills to between March and October. It has distinct dry- and wet-season forms. The butterfly frequents Buddleia flowers. Its food plant is Xanthoxylon alatum of the family Rutaceae. Papilio polyctor has three subspecies, consisting of Papilio polyctor significans, Papilio polyctor stockleyi, and Papilio polyctor xiei.