May 23, 2022 by mgnvmmfEastern_tiger_swallowtail_Papilio_glaucus_on_Buddleia_Aug_MMF Iridescent blue scales of the female eastern tiger swallowtail (Papilio glaucus) in August.Photo © Mary Free About mgnvmmf Previous Post:Eastern_tiger_swallowtail_Papilio_glaucus_on_Buddleia_Aug_MMF