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Diptera.info :: Identification queries :: Diptera (adults)
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Chironomus
Jaso
#1 Print Post
Posted on 26-11-2015 12:06
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Location: Brussels
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ID please for Chironomid adult found floating in a freshwater estuarine river (7/11/2014):
see link below
http://waarneming...5?_popup=1
Thanks
Jan
Edited by Jaso on 08-01-2016 11:59
 
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Jaso
#2 Print Post
Posted on 23-12-2015 17:04
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Pictures attached this time!
Jaso attached the following image:


[98.67Kb]
Edited by Jaso on 23-12-2015 17:10
 
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Jaso
#3 Print Post
Posted on 23-12-2015 17:12
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picture 2
Jaso attached the following image:


[88.54Kb]
Edited by Jaso on 23-12-2015 17:13
 
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Jaso
#4 Print Post
Posted on 23-12-2015 17:14
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picture 3
Jaso attached the following image:


[138.4Kb]
Edited by Jaso on 23-12-2015 17:15
 
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John Carr
#5 Print Post
Posted on 23-12-2015 18:20
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It could be Chironomus (Chironomus). Is the pronotum projecting in lateral view?
 
http://www.flickr.com/photos/31715949@N00
Jaso
#6 Print Post
Posted on 07-01-2016 15:16
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Location: Brussels
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Hi John
Sorry for this late answer.
It's protruding.
Jan
 
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John Carr
#7 Print Post
Posted on 07-01-2016 15:32
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Then it's probably Chironomus.

Glyptotendipes has a deep notch in the middle of the pronotum and it is normally distinctly recessed in lateral view.
 
http://www.flickr.com/photos/31715949@N00
Jaso
#8 Print Post
Posted on 07-01-2016 16:59
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Thanks John,
It is not possible to make a more specific guess?
Jan
 
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John Carr
#9 Print Post
Posted on 07-01-2016 18:05
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It looks like a typical member of subgenus Chironomus.

Comparing illustrations, the thick superior volsella with right angle bend is similar to luridus, riparius, pseudothummi, and piger.
 
http://www.flickr.com/photos/31715949@N00
Jaso
#10 Print Post
Posted on 08-01-2016 12:00
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Location: Brussels
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Thanks John
Jan
 
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