Trichiosoma lucorum
This is a very large Sawfly, which at first glance, could be easily mistaken for a Bee. Trichiosoma lucorum is one of several similarly large Sawflies, which can present identification difficulties. One of the most likely mix up species is the rarer Hawthorn Sawfly Trichiosoma tibiale, which has all dark tibiae, compared to the lighter tibiae of T. lucorum. The caterpillar-like larvae feed on Birch. This was one of three found during May 2009 at Sherwood Forest CP.
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UK distribution of Trichiosoma lucorum
 

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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