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Hi everybody,

could this be Brachyopa panzeri? I know, Brachyopa is not so easy to ID... is it possible to narrow the result (Brachyopa)

Seen in Germany, Baden-Württemberg, boarder to Swizerland, Waldshut, sitting on a walnut tree stump - licking the liquid of the tree, 05 April 2011

Thanks a lot,
Chris