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On varios flowers, 4,5-5mm.
I couldn't come to some genus. Empis? Hilara? Rhamphomya?
Male's fore and hind tarsus 1-st segment enlarged, wing cloud between R1 and R2-3.

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And as far as I understand this is female of same Empididae? Tarsus - normal, wings - all dark.

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Hi Nikita,

The first two pictures are definately males of a species of the genus Empis. In the third and fourth picture I can't see the wing venation very good. Is there a fork like in the first two pictures or not?

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The second may well be Rhamphomyia griseola, IF it is indeed from very early spring. Are these pictures taken in the last week or so?

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Both images from same place forest with first flowers, both 05mart, Black sea shore. Still almost all Diptera is overwinter I think. This Empididas obviosly first spring species.

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Be careful to say they overwinter. If there is a true winter (I have no idea about local climate), say comparable to even our mild winter, then the chancea are that these species are emerging in this time of year. If you have collected specimens I can (try to) identify them.

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1. Thank you Paul.
2. Yes, collected.
3. Overwinter. Winter here in Sochi is 0 - +8, somedays freez, a lot of snowfalls. I was here in last midnovember. Now in mart, there are very few flies, most same as in november (Dryomysa flaveola, for example). But in nov, there wasn't Empididae (only Clinocerinae).

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Excuse me Paul, but why do you think that on second two images is Rhamphomyia? On the first image (out of two second) slightly visible that M4-5 forked. It is obviosly visible in my collected flies.
Than both pair is Empis?
Is it than two different species or it may be that first pair of images is male and second female?
Nikita

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I did not interpret it on the first picture as a fork because the angle appeared to be too large. I thought it was background. If it is present in the collected specimens, then it is Empis. :)

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Thank you, Paul.