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With this new images I hope I know correct ID.
1. There isn't spot of white dust under cx1
2. Wings normaly developed, with 2 white bends
3. Setas on scutellum and hind thorax spine-like
4. 4 seta on scutellum
5. 1-st tarsus 2 as long as t2
6. f2 with ventral row of silverish hairs

Tachydromia umbrarum!
Please, Paul?