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Diptera.info :: Family forums :: Syrphidae
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Paragus ... bicolor group (female)
Liliane D
#1 Print Post
Posted on 15-04-2023 20:14
Member

Location: France
Posts: 653
Joined: 17.08.17

Hello,
In the south of France on 15 April 2023.
Body length: 6.5 mm.
A female who was actively looking for a place to lay eggs in the low vegetation.
I thought of Paragus bicolor but I don't see the two hairy bands in the eyes (I only see one) and there is little red on the abdomen.
I believe that in the south of France there may be other species.
Thank you for your advice.
Liliane D attached the following image:


[204.47Kb]
Edited by Liliane D on 17-04-2023 11:50
 
Liliane D
#2 Print Post
Posted on 15-04-2023 20:15
Member

Location: France
Posts: 653
Joined: 17.08.17

Other picture
Liliane D attached the following image:


[235.24Kb]
 
Liliane D
#3 Print Post
Posted on 15-04-2023 20:17
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Location: France
Posts: 653
Joined: 17.08.17

Other picture
Liliane D attached the following image:


[206.13Kb]
Edited by Liliane D on 16-04-2023 08:45
 
Liliane D
#4 Print Post
Posted on 16-04-2023 13:30
Member

Location: France
Posts: 653
Joined: 17.08.17

Sorry, I made a mistake, please disregard this reply.
I don't know how to delete it.
Edited by Liliane D on 16-04-2023 13:33
 
JWV
#5 Print Post
Posted on 17-04-2023 11:32
Member

Location: Wageningen
Posts: 121
Joined: 16.12.22

Hi Liliane,

I think this specimen belong to the Paragus s. str., bicolor group. Two hairbands covering the eyes (although only one is visible), reddish markings on the abdomen and whitish stripes on the tergites point to bicolor group in my opinion.
Paragus is difficult to identify to species level based only on females, and with males, most of the time genital characters are needed for a 100% ID.

Best, Jonne
 
Liliane D
#6 Print Post
Posted on 17-04-2023 11:48
Member

Location: France
Posts: 653
Joined: 17.08.17

Thank you very much Jonne,
I was hoping that the limited size and distribution of the red on the abdomen might allow for identification. I have seen P. bicolor females with much more red. But this may be just one of the possible variations in the bicolor group?
 
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