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Hello all,
Please, can somebody help me with identification of this species?
Length: cca 4 mm
Locality: Slovakia, Kosice
According my general key, it should be some Hybos sp. but I have no key for this genus. In the Check list of Slovakian Diptera there are the folloving species: H. culociformis, H. femoratus and H. grossipes. Is it one of them or some different one?
Thank you in advance.

Martin