Diptera.info :: Family forums :: Syrphidae
 Platycheirus ambiguus (male) ? -> correct
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| Axel D |
Posted on 04-04-2023 13:04
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 Member Location: France Posts: 209 Joined: 16.10.15 |
Hello Here is a hoverfly caught today in my garden. I think it's a male Platycheirus but fore tarsi are not inflated contrary to P. albimanus which seemed close at first sight. There are 3 pairs of grey spots on the abdomen, antenna are entirely black. With this description, it seems to be closer to ambiguus group. And there is a curled bristle near the end of fore femora which seems to be typical of P. ambiguus (at least in Great Britain and in Belgium/Netherlands). What do you think about this hoverfly ? Found in Rosny-sous-Bois, Seine-Saint-Denis, Île-de-France, France On the 4th of April 2023 Body length : around 8 mm Picture #1 : dorsal view Axel D attached the following image:  [294.98Kb] Edited by Axel D on 04-04-2023 19:41 |
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| Axel D |
Posted on 04-04-2023 13:05
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Member Location: France Posts: 209 Joined: 16.10.15 |
Picture #2 : lateral view
Axel D attached the following image:  [215.73Kb] |
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| Axel D |
Posted on 04-04-2023 13:06
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Member Location: France Posts: 209 Joined: 16.10.15 |
Picture #3 : fore leg detail (blue arrow = uninflated tarsus, green arrow = curled bristle)
Axel D attached the following image:  [111.56Kb] |
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| JWV |
Posted on 04-04-2023 16:24
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Member Location: Wageningen Posts: 176 Joined: 16.12.22 |
Hi Axel, I totally agree with P ambiguus. Note also the inflated dusted frons and of course the bristle you indicated. Here https://www.googl...mF-XSQJCIP you can find a link to the revision of the ambiguus-group. Best, Jonne |
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| Axel D |
Posted on 04-04-2023 19:41
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Member Location: France Posts: 209 Joined: 16.10.15 |
Thank you Jonne for your answer and your link. A new species for me.  |
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