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 Brachypalpoides lentus or Chalcosyrphus piger? --> male Chalcosyrphus piger
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| Reimund Ley |
Posted on 16-08-2018 15:07
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Member Location: Deutschland, Recklinghausen Posts: 869 Joined: 25.04.14 |
please help to distinguish between Brachypalpoides lentus and Chalcosyrphus piger. the fly was about 8-10mm, it was found in Germany, Bavaria, Nesselwang, near to border of Austria, altitude 1550m, 15. 6. 2018 greetings Angelika/Reimund Reimund Ley attached the following image:  [142.09Kb] Edited by Reimund Ley on 17-08-2018 15:19 |
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| Reimund Ley |
Posted on 16-08-2018 15:07
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Member Location: Deutschland, Recklinghausen Posts: 869 Joined: 25.04.14 |
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Reimund Ley attached the following image:  [83.99Kb] |
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| treebeard |
Posted on 16-08-2018 17:00
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Member Location: Slovakia Posts: 614 Joined: 13.08.13 |
Brachypalpoides lentus has the black tip of the abdomen, while the abdomen of Chalcosyrohus piger is enitrely red. Unfortunately, it is not clearly visible from your picture. |
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| Reimund Ley |
Posted on 16-08-2018 18:46
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Member Location: Deutschland, Recklinghausen Posts: 869 Joined: 25.04.14 |
we have a look in the Syrphidae-Gallerie and mean to see that our fly has a shadow of black tip of the abdomen, but as you say it is not very clearly. Here are two fotos from gallerie: https://diptera.info/photogallery.php?photo_id=1888 https://diptera.info/photogallery.php?photo_id=2871 comments are welcome!! best wishes Angelika/Reimund |
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| Gerard Pennards |
Posted on 17-08-2018 12:01
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 Member Location: Amersfoort Posts: 1914 Joined: 07.06.04 |
It's a male Chalcosyrphus piger. The most striking difference with Brachypalpoides in pictures like this is the thickness of the hind femur. In brachypalpoides the hind femur is much more slender as it is in piger. Find brachypalpoides pictures and compare and you'll see what I mean.
Greetings, Gerard Pennards |
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| Reimund Ley |
Posted on 17-08-2018 15:18
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Member Location: Deutschland, Recklinghausen Posts: 869 Joined: 25.04.14 |
hello Gerard, thanks to you for your help, your time and indentifikation of this fly. Also thanks for more information to distinguish these flys. best wishes Angelika/Reimund |
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