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Diptera.info :: Identification queries :: Diptera (adults)
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canacidae ? => Trixoscelis obscurella (Trixoscelididae)
Pierre-Yves
#1 Print Post
Posted on 12-09-2018 17:14
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Hello everybodies,

I need your help to identify this small fly found among the dunes of the south coast of French Brittany next to a pond with reed.

i87.servimg.com/u/f87/19/35/03/68/canaci10.jpg
i87.servimg.com/u/f87/19/35/03/68/canaci11.jpg
i87.servimg.com/u/f87/19/35/03/68/canaci12.jpg
Approximately 2mm, seen on September 05, 2018 in Palud Gourinet, 29710 Pouldreuzic (France)

The base of the wing is white and the crossveins are black. I did not find anything in Ephydridae... may be a Canacidae ?

thank you in advance.

Pierre-Yves
Edited by Pierre-Yves on 13-09-2018 19:20
 
Tony Irwin
#2 Print Post
Posted on 12-09-2018 17:41
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Location: Norwich, England
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Try Trixoscelididae
Tony
----------
Tony Irwin
 
Pierre-Yves
#3 Print Post
Posted on 12-09-2018 21:18
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Thanck you very much Tony, I was totaly lost. After some research, I found Trixoscelis marginella (I had collected a specimen).

References :
- WALTER HACKMAN. Trixoscclidae (Diptera) from Southern Spain and Description of a New Trixoscelis Species from Northern Europe. Ent. scand. 1. 1970. 127-134.
- ANDRZEJ J. WOŹNICA. The female postabdomen of five species of Trixoscelis RONDANI 1856 (Diptera: Trixoscelididae). Dipteron. 31 XII 2014. Tom 30: 99-105.

thank you again,

Pierre-Yves
 
Andrzej
#4 Print Post
Posted on 12-09-2018 22:12
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Location: Poland
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This female specimen is rather similar to T. obscurella by the lacking of dark long marginal stripe along the costal and subcostal wing veins section.

Andrzej
dr. A. J. Woznica, Institute of Environmental Biology, Wroclaw University of Environmental & Life Sciences
 
Pierre-Yves
#5 Print Post
Posted on 13-09-2018 19:13
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you're right I inverted the lines while translating
Thank you Andrzej

Pierre-Yves
 
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10 July 2025 21:52
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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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