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Diptera.info :: Family forums :: Syrphidae
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Platycheirus
varganimrod
#1 Print Post
Posted on 25-04-2023 18:43
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Hello! I found this one in Hungary a few days ago. I think that this is a Melanostoma dubium. But I’m absolutely not sure in this, I can’t exclude Platycheirus species.. Could you help me please?
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Edited by varganimrod on 29-04-2023 19:08
 
varganimrod
#2 Print Post
Posted on 25-04-2023 18:43
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varganimrod
#3 Print Post
Posted on 25-04-2023 18:44
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varganimrod
#4 Print Post
Posted on 25-04-2023 18:44
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Juergen Peters
#5 Print Post
Posted on 25-04-2023 21:22
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Platycheirus albimanus group.
Best regards,
Jürgen

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Juergen Peters
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Karsten Thomsen
#6 Print Post
Posted on 25-04-2023 21:44
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No, this is Platycheirus ambiguus, male.
 
https://www.flickr.com/photos/94052068@N06/collect
varganimrod
#7 Print Post
Posted on 26-04-2023 06:31
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Thank you! And why isn’t dubium? What is the main difference between them?
 
JWV
#8 Print Post
Posted on 26-04-2023 09:28
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Hi,

Melanostoma dubium is a synonym of Melanostoma certum, and as far as I know a montane species. Furthermore, Melanostoma species always have yellow markings on the abdomen, unless of course they are melanistic, but then they wouldn't show these greyish dusted spots.
This is indeed a male P. ambiguus, easliy recognized by the "bloated" dusted face and the unmodified foretibia and -tarsi.

Best, Jonne
 
Karsten Thomsen
#9 Print Post
Posted on 29-04-2023 14:03
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If you agree with the ID comments, you should edit the title bar.
 
https://www.flickr.com/photos/94052068@N06/collect
varganimrod
#10 Print Post
Posted on 29-04-2023 19:08
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Ok.
 
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