Berger's Clouded Yellow (Colias australis) is a mid-European species of butterfly of the family Pieridae. It was discovered and described by Verity in 1911, previously being confused with the Pale Clouded Yellow. The Berger' s Clouded Yellow never leaves its native locality where it can be found flying from May until autumn. Research Berger's Clouded Yellow
The Pale Clouded Yellow (Colias hyale) is a species of butterfly of the family Pieridae widespread throughout the warmer regions of Europe where it is to be found in steppes, meadows and fields. Two generations occur, between April and June and then between July and September. Research Pale Clouded Yellow
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Abbreviations
Research Berger's Clouded Yellow
