Tiger Swallowtail (Papilio glaucus) August 11, 2020 1982 × 1586 Tiger Swallowtail (Papilio glaucus) Eastern Tiger Swallowtail (Papilio glaucus) female, Papilionidae, July 2020, Napeague. July, 2020. Napeague, Long Island. Basking on Black Cherry tree.