mating pair of machaon butterflies, swallowtail, papilio machaon

animal beautiful beauty biological biology black breeding broads butterfly cactus closeup copulating countryside cute entomological entomology fens field giantswallowtail grass green greenbackground insect island leaf lepidoptera love lovers machaon macro mainau mating meadow nature norfolk old papilio papiliomachaon rare sedge species summer swallowtail swallowtailbutterfly thalos wildlife wings world yellow