Hister unicolor
The Histeridae are a notoriously difficult group of beetles to ID, including this one, which did take several weeks to sort out. There are a range of similar species (many of them black) which does'nt help matters. They are commonly found in horse and cattle dung and have a habit of withdrawing their appendages close to the body. The Hister unicolor in the photographs was one of two found together in Sherwood Forest in July 2008, but they should be quite common throughout Nottinghamshire.
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UK distribution of Hister unicolor
 

The UK distribution maps on eakringbirds.com are provided by the National Biodiversity Network (NBN Gateway) Each red square on the map indicates species present in 10km grid squares.

Updated September 2011

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