Eversmann's Parnassian

Parnassius eversmanni, or Eversmann's parnassian, is a high-altitude butterfly which is found in eastern Russia, China, North Korea, Mongolia, Japan, Alaska, British Columbia and the Yukon. It is a member of the snow Apollo genus (Parnassius) of the swallowtail family, Papilionidae. The species was named to honour Eduard Friedrich Eversmann.