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Colias croceus








EARLIEST:  LATEST:  November 5th 2017 around the Car Park at Oldbury Power Station at mid-day
HIGHEST COUNT:  Thirteen at Oldbury Power Station on July 28th 2006  





The first reference to Clouded Yellow in S. Gloucestershire was documented in The Proceedings of the Bristol Naturalists Society 1877 p.154 and described as 'very plentiful' in that year.



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