May 24, 2022 by mgnvmmfEastern_black_swallowtail_Papilio_polyxenes_on _rue_Apr_MMF Eastern black swallowtail (Papilio polyxenes) butterfly mimics the poisonous pipevine swallowtail (Battus philenor). Here it is attracted to host plant rue.Photo © Mary Free About mgnvmmf Previous Post:Eastern_black_swallowtail_Papilio_polyxenes_on _rue_Apr_MMF