Silvanus unidentatus
This is a very small species, which is most often found under bark. The last record for Sherwood Forest was in 1963, but this is probably due to the size of this beetle (around 2mm) rather than being particularly rare. This adult was one of three found together under the bark of Oak on Budby South Forest in early March 2009.
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UK distribution of Silvanus unidentatus
 

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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