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Diptera.info :: Identification queries :: Diptera (adults)
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Lauxaniidae? -> likely
CedricMondy
#1 Print Post
Posted on 30-05-2022 09:20
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Location: Île-de-France (France)
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Hi everyone,

This one found in town seems a bit odd to me. I first though it could be a Sapromyzosoma but...

It might be possible that the thorax was damaged during the capture (although I did not notice) but even so, the chaetotaxy seems weird to me.

Any idea?


www.galerie-insecte.org/galerie/image/dos303/big/photos_20220423133151%203.jpg
Cédric Mondy : France : Saint-Maur-des-Fossés : 94100 : 23/04/2022
Altitude : 41 m - Taille : 4.5 mm
Réf. : 303283

www.galerie-insecte.org/galerie/image/dos303/big/photos_20220423133151%201.jpg
Cédric Mondy : France : Saint-Maur-des-Fossés : 94100 : 23/04/2022
Altitude : 41 m - Taille : 4.5 mm
Réf. : 303284

www.galerie-insecte.org/galerie/image/dos303/big/photos_20220423133151%202.jpg
Cédric Mondy : France : Saint-Maur-des-Fossés : 94100 : 23/04/2022
Altitude : 41 m - Taille : 4.5 mm
Réf. : 303286
Edited by CedricMondy on 12-06-2022 22:16
Cédric
 
CedricMondy
#2 Print Post
Posted on 02-06-2022 22:00
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Do you think the family at least is correct?
Cédric
 
CedricMondy
#3 Print Post
Posted on 05-06-2022 20:18
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Anyone inspired by this one?
Cédric
 
Jan Maca
#4 Print Post
Posted on 06-06-2022 05:19
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The costal vein does not seem to be broken... Still, I would compare Chamaemyiidae.
 
Roger Thomason
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Posted on 06-06-2022 05:32
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I'm sure Jan meant Chyromyidae...A bit early in the morning for this ... Smile
 
CedricMondy
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Posted on 06-06-2022 10:45
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Thank you both! I will have a look at these families, and more specifically the second one.
Cédric
 
CedricMondy
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Posted on 06-06-2022 13:28
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I checked for Chyromyidae, but it seems this does not match. Indeed, in 'The European Families of the Diptera', Pjotr Oosterbroek says that this family is characterized by yellow (here black) bristles and hairs and by the lack of dorsal preapical bristle on the tibiae (here they are present). These specifics are also mentionned by John Carr in this forum.
Species from Chamaemyiidae are usually silvery grey flies (not exactly the case here) and they also lack preapical bristles on the tibiae.

I will keep searching, thanks in advance for any hint!
Cédric
 
Jan Maca
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Posted on 06-06-2022 14:39
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Thank you for your note, Roger - it was exactly so. Unfortunately, Chyromyidae do not seem to match, then what? Still a lauxaniid?
 
John Carr
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Posted on 06-06-2022 16:39
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I see no intra-alar bristle so it is not in the Minettia group. Some Sapromyza and Sapromyzosoma have two strong katepisternals and spots on the distal tergites.
 
http://www.flickr.com/photos/31715949@N00
Roger Thomason
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Posted on 06-06-2022 16:41
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It might be bits and pieces of several different flies cobbled together by Frank Enstein after he's had a few drinks. Or it might be a good idea to run a Geiger Counter across it [just in case] Grin

 
CedricMondy
#11 Print Post
Posted on 09-06-2022 07:38
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Thank you all!
Edited by CedricMondy on 09-06-2022 11:19
Cédric
 
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