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Diptera.info :: Identification queries :: Diptera (adults)
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Drosophilidae - Phortica semivirgo
Liliane D
#1 Print Post
Posted on 20-02-2022 11:27
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Location: France
Posts: 738
Joined: 16.08.17

Hello,
In the south of France, on February 19, 2022.
The body is 4 mm long.
Thank you for your help with identification.
Liliane D attached the following image:


[224.59Kb]
Edited by Liliane D on 21-02-2022 18:41
 
Liliane D
#2 Print Post
Posted on 20-02-2022 11:28
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Location: France
Posts: 738
Joined: 16.08.17

And
Liliane D attached the following image:


[163.88Kb]
 
Tony Irwin
#3 Print Post
Posted on 20-02-2022 12:23
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Location: Norwich, England
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Drosophilidae - Phortica semivirgo, I think
Tony
----------
Tony Irwin
 
Liliane D
#4 Print Post
Posted on 20-02-2022 13:24
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Location: France
Posts: 738
Joined: 16.08.17

Many thanks Tony,
I read that in France the two species Phortica variegata and semivirgo are confirmed since 1994. But I can't find the criteria that distinguish them! Is it the patterns of the thorax, the wing venation or others?
Is it a female or a male?
 
Tony Irwin
#5 Print Post
Posted on 20-02-2022 13:41
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Location: Norwich, England
Posts: 7286
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The continuous pale margin along the hind edge of the eye suggests it's semivirgo. And I can't decide, from what I can see, whether it's male or female.
Tony
----------
Tony Irwin
 
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