Parnassius loxias is a high-altitude butterfly which is found in Kirghizia and west China. It is a member of the snow Apollo genus (Parnassius) of the swallowtail family (Papilionidae).
References
Weiss, J.-C. 1992. The Parnassiinae of the World. Part 2. Sciences Nat, Venette; 87 pp.
Further reading
sv:Parnassius loxias - Swedish Wikipedia provides further references and synonymy