Posted by
Dieter on 14-05-2007 16:54
#3
Hi,
wow, that's great! This is Brachyopa maculipennis. It is easy to identify by the two black spots on the wing. At least in Germany this is a very rare species with only two recent collecting sites. Here it occurs in alluvial forests at slime fluxes of Populus alba.
Regards,
Dieter