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View Thread :: Identification queries :: Diptera (adults)
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Unknown Beach Fly - Canacidae?
marc thibault
#1 Print Post
Posted on 27-11-2021 10:56

Posts: 9
Joined: 08.03.20

Dear followers,
I would like to submit you this fly that was photographed on coastal sand dunes in the Camargue, southern France, on April 17th, 2020.
So far we don't really know in which familiy to look for, perhaps Canacidae or Helcomyzidae?
Thanks for helping :-)
marc thibault attached the following image:

Edited by marc thibault on 27-11-2021 11:01
Tony Irwin
#2 Print Post
Posted on 27-11-2021 11:04
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Location: Norwich, England
Posts: 6925
Joined: 19.11.04

There is a well-marked transverse suture right across the thorax, so this is a calypterate fly. I would say Neolimnophora (Muscidae)
Tony Irwin
marc thibault
#3 Print Post
Posted on 27-11-2021 20:39

Posts: 9
Joined: 08.03.20

Thank you very much for your suggestion Tony!
I'd love to know how to separate Neolimnophora virgo from N. maritima :-)
Tony Irwin
#4 Print Post
Posted on 28-11-2021 00:32
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Location: Norwich, England
Posts: 6925
Joined: 19.11.04

I think this must be maritima, in which there are 3-4 uniform rows of presutural acrostichals. In virgo, there are 2-3 rows, with one pair stronger than the rest.
Tony Irwin
marc thibault
#5 Print Post
Posted on 28-11-2021 12:43

Posts: 9
Joined: 08.03.20

Many thanks Tony for sorting out the ID!
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12 August 2022 07:55


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