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I would say Exechia dorsalis, male.
In comparison with the common Exechia fusca, it has a single light triangular spot on the side of the abdomen and somewhat lighter margins of mesonotum.
See e.g. here:
http://www.spessart-fliegen.de/diptera/mycetophilidae/exechia/exechia_dorsalis/habs.html
Jan