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Diptera.info :: Identification queries :: Diptera (adults)
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Gymnosoma ID after barcoding
Carnifex
#1 Print Post
Posted on 24-08-2021 23:24
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Location: Vienna, Austria
Posts: 1608
Joined: 23.06.15

Initially I had IDed this specimen as Gymnosoma rotundatum. Barcoding however suggested G. nitens.
According to Tschorsnig's key, for G. nitens 'the petiole of R5 ends in the wing tip'. For me, this is not the wing tip, but looking at the Figures in the key, it actually seems to be closer to the wing tip than it should for G. rotundatum...

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Edited by Carnifex on 24-08-2021 23:25
Cheers, Lorin

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All requests are from the urban area of Vienna, if not otherwise stated.

My Diptera observations (and other living forms) can be found here, and corrections or comments over there would also be appreciated.
 
eklans
#2 Print Post
Posted on 25-08-2021 09:52
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Location: Franconia, Germany
Posts: 2396
Joined: 11.11.18

Hi Lorin, you are right - it's not exactly the wing-tip, but much closer than rotundatum. The pattern of the abdomen as well as the size (I think it sits on a Cornus sp.) points to nitens, too.
Greetings, Eric
 
eklans
#3 Print Post
Posted on 25-08-2021 09:52
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Location: Franconia, Germany
Posts: 2396
Joined: 11.11.18

Hi Lorin, you are right - it's not exactly the wing-tip, but much closer than rotundatum. The pattern of the abdomen as well as the size (I think it sits on a Cornus sp.) points to nitens, too.
Greetings, Eric
 
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