LEPIDOPTERA
PIERIDAE Duponchel,1835
COLIAS Fabricius,1807
Colias fieldii Menetries, 1855
Colias fieldii fieldii Menetries, 1855
• RANGE . From S. Iran across India and S. China to the Ussuri region.
• DISTRIBUTION AND VARIATION. Only the northernmost populations of the species penetrate the territories under consideration: in Kopet-Dagh and the W. Pamirs the nominate subspecies, and in the S. Ussuri region the ssp. chinensis Verity, 1909, are found.
• HABITAT AND BIOLOGY. Very rare, mainly in irrigated lands. Flight period: April-August in two generations.
Photo and text: Guide to the BUTTERFLIES OF RUSSIA and adjacent territories Volume 1. PENSOFT, Sofia - Moscow. 1997