Subfamily
Parnassiinae (Parnassians)
Parnassius clodius. Photo: (c) 116916927065934112165, some rights reserved (CC BY)
The Parnassiinae or snow Apollos are a subfamily of the swallowtail butterfly family, Papilionidae. The subfamily includes about 50 medium-sized, white or yellow species. The snow Apollos are high-altitude butterflies and are distributed across Asia, Europe and North America.