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View Thread :: Identification queries :: Diptera (adults)
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canacidae ? => Trixoscelis obscurella (Trixoscelididae)
#1 Print Post
Posted on 12-09-2018 18:14

Posts: 113
Joined: 01.09.05

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.
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.

Edited by Pierre-Yves on 13-09-2018 20:20
Tony Irwin
#2 Print Post
Posted on 12-09-2018 18:41
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Location: Norwich, England
Posts: 5524
Joined: 19.11.04

Try Trixoscelididae
Tony Irwin
#3 Print Post
Posted on 12-09-2018 22:18

Posts: 113
Joined: 01.09.05

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. WO┼╣NICA. The female postabdomen of five species of Trixoscelis RONDANI 1856 (Diptera: Trixoscelididae). Dipteron. 31 XII 2014. Tom 30: 99-105.

thank you again,

#4 Print Post
Posted on 12-09-2018 23:12

Location: Poland
Posts: 1885
Joined: 05.01.06

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.

dr. A. J. Woznica, Institute of Biology, Wroclaw University of Environmental & Life Sciences
#5 Print Post
Posted on 13-09-2018 20:13

Posts: 113
Joined: 01.09.05

you're right I inverted the lines while translating
Thank you Andrzej

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Date and time
19 September 2018 01:04


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