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Hi Michael and Nikita,

Nikita is right about this being a female of the "combinata group". Although not for 100% certain, this is most likely a female of Geomyza balachowskyi. The other species of the "combinata group have a much darker abdomen (in most cases). To be absolutely certain, the shape of sternite 8 must be checked (which is in most cases retracted and therefor not visible). But I hardly doubt this is G. balachowskyi, which is a rather common species in Grmany (I suppose that is where you collected this specimen!?).