Life … Animals Arthropods Insects Butterflies and Moths Swallowtail and Birdwing Butterflies New World Giant Swallowtails and Allies Astyalus Swallowtail species 1,909 observations Astyalus Swallowtail Heraclides astyalus Field notes Supported by All 2 native plantssupport it in the US Caterpillar hosts Plants its caterpillars eat Lime Prickly-ash 1 Nectar plants Plants whose flowers it visits Pineland Lantana 1 Close