May 24, 2022 by mgnvmmfEastern_Tiger_Swallowtail_dark_form_female_on_Buddleia_MMF Eastern tiger swallowtail (Papilio glaucus) dark form female mimics the poisonous pipevine swallowtail (Battus philenor).Photo © Mary Free About mgnvmmf Previous Post:Eastern_Tiger_Swallowtail_dark_form_female_on_Buddleia_MMF