Papilio appalachiensis, the Appalachian Tiger Swallowtail, is a species of swallowtail butterfly found in the eastern United States, particularly in the Appalachian Mountains. It is a hybrid of another two Papilio species, Papilio canadensis and Papilio glaucus, with whom it shares many characteristics. The butterflies are normally yellow and contain black patters in their wings. Their winspan ranges from 86 to 115 mm. The caterpillars range in color from green and yellow to orange and are...
endemic to a single nation