Diptera.info :: Identification queries :: Diptera (adults)
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 Phaonia rufiventris ?
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| Robert Heemskerk |
Posted on 15-11-2007 00:42
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 Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
hi flyforum, I think this fly could be Phaonia (rufiventris?) But I can need some help.. 
Robert Heemskerk attached the following image:  [158.75Kb] |
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| Robert Heemskerk |
Posted on 15-11-2007 00:42
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Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
pic 2
Robert Heemskerk attached the following image:  [162.37Kb] Edited by Robert Heemskerk on 15-11-2007 00:43 |
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| Robert Heemskerk |
Posted on 15-11-2007 00:44
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Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
detail of head and mouthparts
Robert Heemskerk attached the following image:  [139.44Kb] Edited by Robert Heemskerk on 15-11-2007 00:45 |
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| Juergen Peters |
Posted on 15-11-2007 08:10
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 Member Location: northwest Germany Posts: 13963 Joined: 11.09.04 |
Hello, Robert! Robert Heemskerk wrote: I think this fly could be Phaonia (rufiventris?) I think that is Phaonia subventa. It's by far the most numerous fly in our garden, at our house, at the forest... here in the last weeks. http://insektenfo...t=subventa http://insektenfo...ntid=27493 Besides the other differences (scutellum not all red for example) I notice, that the colouration of the abdomen is mostly paler orange than in P. rufiventris. Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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| Nikita Vikhrev |
Posted on 15-11-2007 13:09
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 Member Location: Moscow, Russia Posts: 9356 Joined: 24.05.05 |
I agree with Juergen - we can see about 10-11 frontals setae.
Nikita Vikhrev - Zool Museum of Moscow University |
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| Robert Heemskerk |
Posted on 15-11-2007 13:42
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Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
Thank you very much Juergen and Nikita, I thought P. subventa was more a spring-Phaonia ?Looking at the thorax, scutellum and abdomen I see some whitish dust on the fly (kind of line) |
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| Nikita Vikhrev |
Posted on 15-11-2007 13:55
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Member Location: Moscow, Russia Posts: 9356 Joined: 24.05.05 |
Robert, Ph.subventa and Ph.rufiventris aren't "good" species, male genitalia looks rather alike. Zaitsev key: Ph.subventa - 2 prst dc, antenna all black Ph.rufiventris - 1 prst dc, ant 1,2 segm. yellowish-broun Yours - 1,5 dc, ant 1,2 segm. yellowish-broun. Gregor at all key: Ph.subventa - at least 7 frontals Ph.rufiventris - at most 6 frontals Yours - 10-11 frontals Nikita Vikhrev - Zool Museum of Moscow University |
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