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Diptera.info :: Identification queries :: Diptera (adults)
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Chironomidae
kurt
#1 Print Post
Posted on 22-09-2014 20:02
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Is it possible to tell which genus this 10 mm fly belongs?
Photos from 20 September 2014 Norasundet 62 N, E 17 Ã…ngermanland, Sweden.

Thanks for your help in advance

Regards
Kurt Holmqvist
kurt attached the following image:


[109.31Kb]
 
kurt
#2 Print Post
Posted on 22-09-2014 20:03
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And a Close up
kurt attached the following image:


[108.34Kb]
 
Tony Irwin
#3 Print Post
Posted on 22-09-2014 20:42
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It looks to be Orthocladiinae, of which there are several genera with bifid gonocoxites, but I can't place this one with the literature I have available.
Tony
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Tony Irwin
 
John Carr
#4 Print Post
Posted on 22-09-2014 22:00
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As far as I can tell no genus of Orthocladiinae in Sweden has the combination:

Gonostylus with long, thin forks of the Brillia type.
Eyes with short, wedge-shaped dorsomedial extension (long in most genera with similar gonostylus).
R-m short, at about 45 degree angle to wing axis.
No long volsellae as in Diplocladius, only a small lobe.
Distinct anal point.
Edited by John Carr on 22-09-2014 22:01
 
http://www.flickr.com/photos/31715949@N00
Tony Irwin
#5 Print Post
Posted on 22-09-2014 23:55
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I think John's saying it would be good to see a specimen! TumbsUp
Tony
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Tony Irwin
 
kurt
#6 Print Post
Posted on 23-09-2014 17:02
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Thanks to Tony and John for looking at this fly. As usual I do not have a collected speciemen to show.
Kurt Holmqvist
 
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