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I think it is Tricholauxania or Lyciella (rather Tricholauxania). Please, verify my id.
Poland, Gostyn (XT35), forest, 12.08.2009.

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other view

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Looks like Meiosimyza rorida
Which is the new name for Lyciella rorida.

Roger

http://www.dipter...d_id=26325

EDIT; Unless it's been changed again :|

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Thanks Roger. Yes, it looks, but Meiosimyza and Tricholauxania are so similar to each other, for me. What points to Meiosimyza rorida?

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Nothing technical for my part, I just compared it with images in the Gallery. Sometimes I get it right.....and then there are the other times (lots of them :D).
Compare it with this one....http://www.dipter...to_id=5321

Roger

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I think general appearance is not enought in this case, although most likely yuo are right;)
Maybe sombody else will confirm?

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Then lets get a bit technical: if we look at the thorax, the presence of presutural dorsocentral bristles and two rows of relatively strong acrostichal bristles fits Meiosimyza. Unpatterned wings without bristles on any of the veins rule out some related genera. So Meiosimyza. But not rorida, as we should then see the row of small spinules on the anteroventral side of the fore femora.
With completely yellow antenna and legs and two katepisternals/sternopleurals, I think its probably either M. laeta or M. decipien.
Would need to get a clear shot of the palpi to be sure. :@

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Oh, and Tricholauxanisa doesn't have those two rows of strong acrostichals, just four rows of smaller acrostichals.

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Thank you Viktor.

On these photos:
http://www.dipter...to_id=2994
http://micropics....aeusta.htm
Tricholauxania has two rows of rather string acrostichals.
I think that lack of bristles on r2+3 excludes Tricholauxania - am I right?

Unfortunately I have only these two photos.

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Hi,
yes, you are right, but I think you need not this mark. T. praeusta has darkened cross veins and top of the wing, darkened palpi and row of small spinules on the anteroventral side of the fore femora.
Katka