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View Thread :: Identification queries :: Diptera (adults)
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Coenia palustris ?
#1 Print Post
Posted on 23-01-2024 19:37

Posts: 2
Joined: 22.12.23


I saw several of this Ephydridae walking on the water of ponds in a farm in southern France in last December.
French specialist suggest Coenia, maybe palustris, but this taxa seems not well known in France.

Thank you for your advice
apusapus attached the following image:

Edited by apusapus on 23-01-2024 19:38
John Carr
#2 Print Post
Posted on 23-01-2024 20:10
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Location: Massachusetts, USA
Posts: 9841
Joined: 22.10.10

I don't know beyond subfamily Ephydrinae but I doubt Coenia s. str. Mathis (1975) distinguished Coenia with three pairs of dorsocentrals and no humeral bristles from Paracoenia with four pairs of dorsocentrals and well developed humeral bristles.
#3 Print Post
Posted on 24-01-2024 12:26

Posts: 2
Joined: 22.12.23

I have another picture here in any case wing nervation can be useful
Tony Irwin
#4 Print Post
Posted on 24-01-2024 17:59
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Location: Norwich, England
Posts: 7193
Joined: 19.11.04

If I am interpreting the slightly fuzzy characters correctly, this looks more like Paracoenia fumosa
Tony Irwin
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Date and time
25 April 2024 11:28


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