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Diptera.info :: Identification queries :: Diptera (adults)
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Ogcodes gibbosus or zonatus ? -> O. gibbosus
Axel D
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Posted on 04-07-2022 12:17
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Location: France
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Joined: 16.10.15

Hello

I caught this fly 2 days ago in a alkaline fen. It is an Ogcodes and to know the species I tried to use Faunistik und Taxonomie der Acroceriden (Diptera) der Schweiz by M. Weinberg and G. Bächli.

I think I'm not wrong if I say it's a male. I mainly hesitate between O. gibbosus and O. zonatus but I think it is more likely to be the first species. I don't know if the halter is white enough for gibbosus and I'm not sure to well inderstand the part about "Schüppchenrand". But the legs color doesn't match with pallipes I think and the hind femora et tibias are too straigh for a male zonatus.

What do you think about this fly ? I can do other pictures of the fly if necessary.

Found in "Marais d'Episy", Moret-Loing-et-Orvane, Seine-et-Marne, Île-de-France, France
On the 2nd of July 2022
Body length : 6 mm
Axel D attached the following image:


[171.66Kb]
Edited by Axel D on 06-07-2022 14:31
 
Axel D
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Posted on 04-07-2022 12:18
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Second picture :
Axel D attached the following image:


[189.39Kb]
 
Axel D
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Posted on 04-07-2022 12:18
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Third picture showing the calyter and the halter :
Axel D attached the following image:


[110.82Kb]
 
Axel D
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Posted on 04-07-2022 12:19
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Fouth picture showing a hind leg :
Axel D attached the following image:


[101.62Kb]
 
Zeegers
#5 Print Post
Posted on 05-07-2022 21:25
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Location: Soest, NL
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Yes, I agree. Pallipes is much darker tergites. Yellow halter clearly supports gibbosus.

Well documented !

Theo
 
Axel D
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Posted on 06-07-2022 14:31
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Thank you very much Theo.
 
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Date and time
14 August 2022 01:24
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