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Diptera.info :: Family forums :: Syrphidae
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Unknown syrphids
pierred
#1 Print Post
Posted on 05-05-2006 22:23
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Location: Paris (France)
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Joined: 21.04.05

Hello,

I observed this afternoon following syrphids in copula :
Could somebody orient me ?

TIA
pierred attached the following image:


[137.97Kb]
Pierre Duhem
 
pierred
#2 Print Post
Posted on 08-05-2006 17:48
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Location: Paris (France)
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Hello,

It seems that my mating couple doesn't call for comments.

This afternoon, I saw one of them (still the two whitish hair strips in the eyes and the two whitish bands on the thorax).
pierred attached the following image:


[105.77Kb]
Edited by pierred on 08-05-2006 17:48
Pierre Duhem
 
pierred
#3 Print Post
Posted on 08-05-2006 18:09
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Hello,

Somebody told me on another forum that this sould be Paragus sp., maybe Paragus pechiolii (ex P. majoranae).

Well, taking M.P. van Veen's key from the Paragus genus, I follow the key :
1.b. Eyes, pilosity distributed in bands, scutellum black or black with yellow tip --> 4.
4.a. Tergites without yellow bands but black or (partly) red, generally with silverish bands of dust... thoracic dorsum: dull with 2 stripes of dust. --> 5
5.a. Head in side view: face somewhat protruding, scutellum often with yellow tip --> 6
6.b. Tergites 3 and 4: bands od silverish dust well-defined (figure 549 = P. pechiolii)

Is this somehow correct?

Thanks for your comments. Please be kind with me, it's the first time I use a key.
Pierre Duhem
 
Gerard Pennards
#4 Print Post
Posted on 08-05-2006 21:04
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Location: Amersfoort
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Hello pierre,
Yes, it is quite correct! It's indeed a Paragus species, and if you follow the key coorectly you will indeed end with P. pecchiolii!
So, no need to worry, you did quite well!
Greetings,
Greetings,
Gerard Pennards
 
pierred
#5 Print Post
Posted on 09-05-2006 04:26
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Location: Paris (France)
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Gerard,

Thanks.
Pierre Duhem
 
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08.05.25 18:22
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