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Hello,
Recently I found three empidid flies in the repotting room of our institute: two dead ones within the double-glazed window, one alive. I suppose all could be representatives of genus Rhamphomyia, because their proboscises are rather short. For a better comparison, I don't stick to the "one fly per thread" rule in this case.
Can we get to a closer ID? Thanks!
Sundew

Here comes the bigger of the dead ones.

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The smaller of the dead ones is darker and has a shorter proboscis.

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The living one did not want to sit under the hot lamp of the stereo microscope, so these pics must do...

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All are Hilara and these are not the easiest to identify. Maybe Igor or Adrian can do something with the photos, I'd prefer to ID them from the actual specimens.

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Certainly Hilara I would say.
I could make some guess as to species group but Hilara is very hard to be sure about from a photo.
INdeed for many Hilara you can only really be sure if you confrim a det by dissecting out (or at least viewing) the male genitalia
Sorry can't be of more help
cheers
Adrian

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Hilara is a new genus to me, so I am grateful and happy. Though... the magnifications of the abdomen tips (genitalia) of the dead ones are obviously not sufficient for putting them into a group. Paul, I suppose the genus is not so fascinating that you would be eager to get the two dead specimens? And if yes, how should I send them (re-wetted with 70% ethanol to overcome their brittleness)? Anyhow, if it weren't for a considerable progress in science, you should not waste your precious time with troublesome determination just to supply me with a name or two - Hilara spec. is ok for me!
Kind regards, Sundew

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You can send them anyway you like and you can ascertain they remain intact. Putting thm in alcool for a while may wok but you'd need to make certain there is lillte space they can move around and still get damaged.