Agonum

Agonum is a large genus of ground beetles in the subfamily Harpalinae, tribe Platynini. They are mid-sized to smallish beetles, typically with dark metallic hues – often reddish or bronze, but sometimes black, green etc. The genus is generally native to the Holarctic and the Mediterranean region; their southern limit in Central Asia and the Hima...
Found on http://en.wikipedia.org/wiki/Agonum

Agonum

Agonum is a genus of beetles of the ground beetle family, Carabidae, with 22 species occurring in Britain, most are black or metallic in colour, like wet and marshy locations, and range from 4 to 10 mm long. They are rather flat bodied, with slender antennae and legs.
Found on http://www.probertencyclopaedia.com/browse/BA.HTM
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