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Diptera.info :: Family forums :: Syrphidae
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Xanthogramma pedissequum? --> confirmed
Frank Hornig
#1 Print Post
Posted on 10-05-2022 18:27
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Location: Northern Germany
Posts: 174
Joined: 22.05.21

This is from last year, 24.06.2021, Braunschweig, Northern Germany.

I think it should be Xanthogramma pedissequum, (f.), right?

Greetings,
Frank.
Frank Hornig attached the following image:


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Edited by Frank Hornig on 15-05-2022 12:22
 
Sundew
#2 Print Post
Posted on 12-05-2022 22:01
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Location: Berlin, Germany
Posts: 3697
Joined: 28.07.07

I agree with X. pedissequum, though the shape of the black stripe on the frons recalls X. stackelbergi. However, the shape of the yellow patches on tergite 2 matches X. pedissequum, and the dark costal patch seems to extend below vein R2+3. Also the hind legs do not look as black as in X. dives. A lateral look at the thorax would show the number and distribution of yellow patches that are important to discriminate between X. pedissequum and X. dives, but it seems that there is no yellow patch below/behind the wing base, so X. pedissequum is in favour. A good compilation of important characters is given in https://www.resea...phidae.pdf.
Regards, Sundew
 
Frank Hornig
#3 Print Post
Posted on 15-05-2022 12:21
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Location: Northern Germany
Posts: 174
Joined: 22.05.21

Thank you very much Sundew for that factful answer!
Greetings,
Frank
 
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