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Diptera.info :: Identification queries :: Diptera (adults)
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Haematopota ID - north-western France
BLecaplain
#1 Print Post
Posted on 16-08-2024 09:31
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Hello,

I started checking the collection of Joseph Bergerard, a French entomologist. There are quite a few Haematopota, including one that could be something other than pluvialis. Particularly with the grayer tint than the other specimens and a less pronounced constriction of the first article of the antenna. But maybe I'm wrong ! So I create a post to be sure.
1987, in north Brittany, near littoral.
BLecaplain attached the following image:


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Edited by BLecaplain on 16-08-2024 09:33
 
BLecaplain
#2 Print Post
Posted on 16-08-2024 09:36
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First antennal segement not cylindric, with a constriction (quite small and not really clear, but there is a constriction). I
BLecaplain attached the following image:


[244.02Kb]
 
BLecaplain
#3 Print Post
Posted on 16-08-2024 09:37
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Light spot
BLecaplain attached the following image:


[240.55Kb]
Edited by BLecaplain on 16-08-2024 09:55
 
BLecaplain
#4 Print Post
Posted on 16-08-2024 09:39
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Lateral view.
Femur dark-grey.
With this view, we have a grey-green coloration (pluvialis
BLecaplain attached the following image:


[239.89Kb]
Edited by BLecaplain on 16-08-2024 09:55
 
BLecaplain
#5 Print Post
Posted on 16-08-2024 09:42
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Other views of first antennal segment.
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BLecaplain
#6 Print Post
Posted on 16-08-2024 09:47
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and subgenital plate.
The upper part appears rolled up. If so, we could have the same shape as pluvialis.
BLecaplain attached the following image:


[132.24Kb]
 
BLecaplain
#7 Print Post
Posted on 16-08-2024 09:53
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and a bad view of the frons, maybe too grey for pluvialis ?
If I compare the first antennal segment with photos from internet I think it's pluvialis. subcylindrica, which is a potential candidat for my specimen, have this first antennal segment more regular, less misshapen.
https://www.flickr.com/photos/63075200@N07/49489140398/in/album-72157629590227141
I don't know !
Benoît
BLecaplain attached the following image:


[207.94Kb]
 
Zeegers
#8 Print Post
Posted on 16-08-2024 15:23
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Location: Soest, NL
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This is not greyish, this is greenish ......

Theo
 
BLecaplain
#9 Print Post
Posted on 16-08-2024 16:29
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Ok so pluvialis !
Thanks Theo !
 
BLecaplain
#10 Print Post
Posted on 16-08-2024 16:32
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Appréciation of colour is quite difficult but maybe with when I will see lots of spécimens it will be easier
 
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