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During several hours I can't stop filling that I know this Anthomyiid with strong abdominal bristles.
It is Eustalomyia! In most view angles it has more black/white thorastic patterns, but on some angle vague like this (compare with:
http://www.diptera.info/forum/viewthread.php?forum_id=5&thread_id=6402 ).
And so far, I met Eustalomyia only 2 times, but both times like this - sitting on tree bark.
Nikita