Papilio syfanius is a species of swallowtail butterfly from the genus Papilio that is found in China, where it is endemic. It may be a western subspecies of Papilio bianor differentiated by the white hindwing patches (which vary in extent).
Subspecies Papilio syfanius syfanius (northern Yunnan) Papilio syfanius albosyfanius Shimogori & Fujioka, 1997 (northern Yunnan) Papilio syfanius kongaensis (Yoshino, 1997) (Sichuan)
References
Other reading Erich Bauer and Thomas Frankenbach, 1998 Schmetterlinge der Erde, Butterflies of the world Part I (1), Papilionidae Papilionidae I: Papilio, Subgenus Achillides, Bhutanitis, Teinopalpus. Edited by Erich Bauer and Thomas Frankenbach. Keltern : Goecke & Evers; Canterbury : Hillside Books
External links Insecta pro