swallowtail butterfly swallowtail butterflies Add to favorite DMCA Complaint Tweet swallowtail butterfly swallowtail butterflies FreePhoto by DomenicBlair Free Download License: Public Domain CC0 ID: 91128 Tags: close, butterfly, insect, beautiful, animal, nature, summer, free photos, free images, swallowtail butterfly, swallowtail butterflies, papilio machaon, papilio