Colias caucasica, the Balkan clouded yellow, is a butterfly in the Pieridae family. It is found in W. Caucasus, and N.E. Turkey

Description

Similar to but larger and more deeply orange-red than Colias myrmidone, the distal margin being more broadly black; on the underside, which is similar to that of myrmidone, the very large central double spot of the hindwing is prominent. The female is mostly yellowish white, rarely orange-red, bearing small light submarginal spots.

Biology

The larvae feed on Larva on Cytisus and Astragalus caucasicus.

Subspecies

Colias caucasica caucasica
Colias c. balcanica Rebel,1901 may be a full species.

source - Wikipedia