
Chlaenius is a large and diverse genus of ground beetle. It is native to the Palearctic (including Europe), the Near East, North Africa, Afrotropical region, and the Nearctic. ...
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http://en.wikipedia.org/wiki/Chlaenius

Chlaenius is a genus of beetles of the ground beetle family, Carabidae, represented by three species in Britain. Most of the species are green or black in colour and are more or less distinctly hairy. They live in wet localities where they rang from 8 to 11 mm in length.
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http://www.probertencyclopaedia.com/browse/BC.HTM
No exact match found.