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Not Neria nigricornis then.
GBIF distribution (from Swedish & Finnish databases) at https://www.gbif....es/4516269
Description from Andersson, H. (1989). Taxonomic notes on Fennoscandian Micropezidae (Diptera). Notulae Entomologicae, 69, 153–162.:
"First and second antennal segments yellow; third antennal segment in male blackish, in female more distinctly black with inner, posteroventral comer yellow. Arista black, basally distinctly swollen, with short pubescence that is thicker and longer in female" So that's scape yellow (not really visible in photographs), pedicel yellow and flagellum (which includes the arista) black
As illustrated in the key http://www.elisan...g_head.jpg