Summary[edit] Description: Papilio ophidicephalus the Emperor Swallowtail from Africa. Seen at Butterfly Farm Stratford on Avon. Date: 14 February 2012, 14:09. Source: Tail Detail. Author: gailhampshire from Cradley, Malvern, U.K. Camera location52° 11′ 08.21″ N, 1° 42′ 01.72″ WView all coordinates using: OpenStreetMap 52.185615; -1.700477.