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Diptera.info :: Identification queries :: Diptera (adults)
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Ephydridae ID? -> Coenia cf. curvicauda
bgmot
#1 Print Post
Posted on 10-09-2017 12:49
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Russia, Rostov region, 4mm, 9 september
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Edited by bgmot on 10-09-2017 15:32
 
bgmot
#2 Print Post
Posted on 10-09-2017 12:49
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2)
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Tony Irwin
#3 Print Post
Posted on 10-09-2017 14:56
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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
 
bgmot
#4 Print Post
Posted on 10-09-2017 15:35
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Thanks, Tony!
 
jhstuke
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Posted on 10-09-2017 19:45
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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
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Posted on 10-09-2017 21:17
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Hi Jens-Hermann. You will note I said "probably". Wink
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
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Tony Irwin
 
jhstuke
#7 Print Post
Posted on 12-09-2017 19:19
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Location: Leer, Germany
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Thank you very much for the important comments concerning the identification of Coenia!
Jens-Hermann
 
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