Thomas Marent / Citrus Butterfly (Papilio demodocus) drinking minerals and salts from soil, Jozani National Park, Zanzibar, Tanzania

Steven David Miller / Orchard swallowtail butterfly (Papilio aegeus) male on leaf. Coffs Harbour Butterfly House, Queensland, Australia. Captive.

Jiri Lochman / Orchard butterfly (Papilio aegeus subsp. aegeus), Lake Barrine, Crater Lakes National Park, Wet Tropics of Queensland UNESCO Natural World Heritage Site, Queensland, Australia.

Loic Poidevin / Citrus swallowtail (Papilio demodocus) captive occurs in Africa.

Alex Hyde / Caterpillar of the Citrus Swallowtail butterfly (Papillio demodocus). The caterpillar is a bird dropping mimic. Captive, originating from Africa.

Adrian Davies / Citrus Swallowtail butterfly (Papilio demodocus) butterfly Farm, Devon, England, UK, July.

Pete Oxford / Asian Swallowtail (Papilio demodocus) butterfly, found throughout the island, Madagascar

Jane Burton / Citrus Swallowtail {Papilio demodocus} newly emerged from pupa. Africa. Captive

Mitsuhiko Imamori / Asian Swallowtail (Papilio xuthus) butterfly caterpillar showing false eyespots, Shiga, Japan

Piotr Naskrecki / Citrus Butterfly (Papilio demodocus) caterpillar, Gorongosa National Park, Mozambique

Tom Vezo / Citrus Butterfly (Papilio demodocus), Tucson Botanical Gardens, Tucson, Arizona

Etienne Littlefair / Checkered swallowtail butterfly (Papilio demoleus) resting on a plant stem, Adelaide River Hills, Northern Territory, Australia.