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or Lauxaniidae? I was iunable to indentify this flies' family. It keys out as Sepsidea,which is obviously wrong.
No vibrissae,
postoccellair bristles sligtly divergent, almost parallel,
protruding clypeus,
costa interrupted at Sc
anal vein does not reach costa.

It matches the description of Eurygnathomyia quite well, except for the anal vein.

Please help!
Louis