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 small black flies
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| Petr Michael |
Posted on 24-11-2009 18:27
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Member Location: Czech rep. Posts: 289 Joined: 03.10.09 |
This society was close to the rotting decomposing fish at the bank of sewage pond. Together with some Graphomyia and phorids there were the small black flies - of what family and genus? Help me! 24th of August, Czechia. Petr Michael attached the following image:  [153.67Kb] |
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| Jaakko |
Posted on 25-11-2009 11:34
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 Member Location: Joensuu, Finland Posts: 479 Joined: 04.08.08 |
These look quite similar to the S. nigripes in your second photo. |
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| Petr Michael |
Posted on 25-11-2009 12:38
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Member Location: Czech rep. Posts: 289 Joined: 03.10.09 |
Dear colleague Jaakko, thank you very much for having a look at the small flies. In this case, however, I cannnot agree: there are differences in C et Sc, antennae color, frons width etc. I inclose the new photo of Stearibia n. in order to elucidate it. Petr Michael attached the following image:  [136.32Kb] |
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| Petr Michael |
Posted on 25-11-2009 12:52
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Member Location: Czech rep. Posts: 289 Joined: 03.10.09 |
Petr Michael wrote: Dear colleague Jaakko, thank you very much for having a look at the small flies. In this case, however, I cannnot agree: there are differences in R1 et Sc, antennae color, frons width etc. I inclose the new photo of Stearibia n. in order to elucidate it. |
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| Jaakko |
Posted on 25-11-2009 16:54
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Member Location: Joensuu, Finland Posts: 479 Joined: 04.08.08 |
You're absolutely right... I'm not really an expert on these guys, but besides S. nigripes I have similar looking Sepsiidae, Nemopoda nitidula collected from the same substrate. So I would go for Sepsiidae, however I'm sure there are other options for the species. Edited by Jaakko on 25-11-2009 16:55 |
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| Petr Michael |
Posted on 25-11-2009 17:49
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Member Location: Czech rep. Posts: 289 Joined: 03.10.09 |
I am very grateful for that you show me the right way!! As for those flies they are Sepsidae, I suppose from the genus Themira. One has to learn for ever..... Once more, thanks! |
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but don't see the image in the post.
