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Diptera.info :: Identification queries :: Diptera (adults)
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Psilidae, Chyliza leptogaster ? -> C. leptogaster/nova
Axel D
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Posted on 08-06-2020 16:26
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Location: France
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Joined: 16.10.15

Hello

Today I took photos of an unkwown fly. I didn't have idea of the family, but after a few search, I think it is a Psilidae. I find it very close to Chyliza leptogaster. But since I don't know much about this family, is it possible to confirm th ID ?

Thank you in advance.Smile

Found in a wasteland around a small wood and the city.
Rosny-Sous-Bois, Seine-Saint-Denis, Île-de-France, France.
8th of June 2020
Length : around 6-7 mm ?
Axel D attached the following image:


[120.55Kb]
Edited by Axel D on 20-07-2020 18:10
 
Axel D
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Posted on 08-06-2020 16:26
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Side view :
Axel D attached the following image:


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Darwyn Sumner
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Posted on 09-06-2020 11:23
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Best key I have is at http://www.microp..._73-84.pdf by Rune Bygebjerg, Thorkild Munk & Jes Elnif
 
http://micropezids.myspecies.info/
Axel D
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Posted on 09-06-2020 12:03
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Location: France
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Thank you for your answer, Darwyn.

With that key, I think it's either C. leptogaster or C. nova, but I think it's difficult to say more with my pictures. I don't even know if it is a male or a female. But I can see that humeri are partly orange and that the orange spot on the front is quite extensive and almost connected to the vertex (as said in this description), so it is maybe closer to C. nova ?
 
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23.06.25 18:10
If you have some spare money, there is a copy (together with keys to pupae and larvae) for sale by Hermann L. Strack, Loguivy Plougras, France

23.06.25 11:18
Appreciate it, Tony Irwin! I got the hint to use the key next to Langton and Pinder key for females of Chironomidae. So no specific queries, except the keys... I will keep this on my list and hope th

19.06.25 15:33
I have the hard copy book, if you have any specific queries, but I'm not scanning the 500+ pages!

02.06.25 18:26
Anyone has "Chironomidae of the Holarctic region. Keys and diagnoses. Part 3. Adult Males Entomologica Scandinavica Supplement 34"? smolwaarneming@gma
il.com

28.05.25 20:57
I have Russian Coenosia. nikita6510@ya.ru

28.05.25 12:25
Is someone able to share with me "A key to the Russian species of the genus Coenosia"?

08.05.25 18:22
I have

03.05.25 08:35
Does someone has a scan of Nartshuk E.P. 2003. Key to families of Diptera (Insecta) of the fauna of Russian and adjacent countries. Proceedings of the Zoological Institute Vol. 294: 1-252 for me?

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