Diptera.info :: Identification queries :: Diptera (adults)
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 Ephydridae ID? -> Coenia cf. curvicauda
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| bgmot |
Posted on 10-09-2017 12:49
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Member Location: Posts: 626 Joined: 24.07.16 |
Russia, Rostov region, 4mm, 9 september
bgmot attached the following image:  [81.3Kb] Edited by bgmot on 10-09-2017 15:32 |
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| bgmot |
Posted on 10-09-2017 12:49
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Member Location: Posts: 626 Joined: 24.07.16 |
2)
bgmot attached the following image:  [69.1Kb] |
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| Tony Irwin |
Posted on 10-09-2017 14:56
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 Member Location: Norwich, England Posts: 7196 Joined: 19.11.04 |
This is a Coenia species, probably curvicauda, but I'm not familiar with the Russian species vulgata.
Edited by Tony Irwin on 10-09-2017 14:58 Tony ---------- Tony Irwin |
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| bgmot |
Posted on 10-09-2017 15:35
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Member Location: Posts: 626 Joined: 24.07.16 |
Thanks, Tony! |
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| jhstuke |
Posted on 10-09-2017 19:45
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Member Location: Leer, Germany Posts: 147 Joined: 06.06.07 |
Dear Tony! I wonder how it is possible to exclude Coenia palustris - do you have any characters to distinguish palustris and curvicauda without genitalia? Both species should occur around Rostov I suppose. Jens-Hermann |
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| Tony Irwin |
Posted on 10-09-2017 21:17
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Member Location: Norwich, England Posts: 7196 Joined: 19.11.04 |
Hi Jens-Hermann. You will note I said "probably".  C.palustris usually have pale halteres, C.curvicauda are usually dark. C.palustris have green or bronze reflections on the abdomen, C.curvicauda have pink or copper reflections. Of course I like to check genitalia to be sure. Female ventral receptacles are useful - curvicauda has a narrow "neck" before the cap, palustris lacks the "neck". Tony ---------- Tony Irwin |
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| jhstuke |
Posted on 12-09-2017 19:19
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Member Location: Leer, Germany Posts: 147 Joined: 06.06.07 |
Thank you very much for the important comments concerning the identification of Coenia! Jens-Hermann |
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