Colias tamerlana

Colias tamerlana is a butterfly in the family Pieridae. It is found in the eastern Palearctic realm (western Siberia, northern China, and Mongolia).

Description
It is a large and very dark member of the genus Colias.

Biology
The larva feeds on Oxytropis oligantha

Subspecies

 * C. t. tamerlana Xinjiang, Kirgizia (eastern Issyk Kul)
 * C. t. mongola Alphéraky, 1897 Altai, Sayan
 * C. t. sidonia Weiss, 1968 northern Mongolia

Taxonomy
It was accepted as a species by Josef Grieshuber & Gerardo Lamas but may be a subspecies of Colias nastes.