Colias sareptensis, Berger's clouded yellow, is a butterfly of the Pieridae family. It was separated from the pale clouded yellow, C. hyale, in 1945. Berger's clouded yellow is a Palearctic species (South and Central Europe, South Russia, Russian Far East, Asia Minor, Caucasus, Transcaucasia, Middle Asia China).


Specimen
Biology

The food plants are horseshoe vetch (Hippocrepis comosa) and crown vetch (Coronilla varia). The caterpillar that forms into this butterfly is green with some black spines on the top. As it matures and prepares to pupate it turns yellow in color.

Migration

This species is a rare vagrant to Britain and Denmark.

Subspecies

C. s. sareptensis
C. s. vihorlatensis Reissinger, 1989 – Carpathians
C. s. remota Reissinger, 1989 – S. Europe, Caucaus
C. s. fontainei Reissinger, 1989 – Armenia, Talysh, Kopet-Dagh
C. s. saissanica Reissinger, 1989 – S. E. Kazakhstan
^ Reissinger, 1989 Die geographisch-subspecifische Gliederung von Colias alfacariensis Ribbe unter Berücksichtigun der Migrationsverhältnisse Neue Ent. Nachricten 26: 1-351

source - Wikipedia