Thermal-landscape
Guides
Papilio appalachiensis
Appalachian Tiger Swallowtail
Papilio appalachiensis is a swallowtail butterfly endemic to the Appalachian Mountains of eastern North America. It originated through hybrid speciation between Papilio canadensis and Papilio glaucus, and is now recognized as a distinct species with stable populations at higher elevations. Adults are notably larger than both parental species, with wingspans of 86–115 mm. The species is univoltine, with adults emerging in May and females ovipositing during a brief spring flight period.