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sorry for taking so much time to reply. I've been busy.

the lack of a modified fore femur eliminates Hydrotaea and the chaetotaxy eliminates Azelia. So, yes, Hebecnema. I believe that the haltere are yellow. I think that it is most likely Hebecnema vespertina but we cannot see enough to be certain.

I am content with Hebecnema cf vespertina.

I hope that you have a pleasant day,
John