Parnassius nomion Fischer von Waldheim,
1823 (sitting on Spiraea chamaedryfolia ) - a
close relative of the notorious Apollo (Parnassius
apollo (Linnaeus, 1758)), ranging in the
mountains of Siberia and Alaska. The Koksu River left
bank 2 km upstream of its junctin with the Argut
River, Central Altai Mountains, West Siberia, Russia.
July 1988.