Thread subject: Diptera.info :: Phaonia rufiventris ?

Posted by Robert Heemskerk on 15-11-2007 00:42
#1

hi flyforum,

I think this fly could be Phaonia (rufiventris?)
But I can need some help..

:)

Posted by Robert Heemskerk on 15-11-2007 00:42
#2

pic 2

Edited by Robert Heemskerk on 15-11-2007 00:43

Posted by Robert Heemskerk on 15-11-2007 00:44
#3

detail of head and mouthparts

Edited by Robert Heemskerk on 15-11-2007 00:45

Posted by Juergen Peters on 15-11-2007 08:10
#4

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.

Posted by Nikita Vikhrev on 15-11-2007 13:09
#5

I agree with Juergen - we can see about 10-11 frontals setae.

Posted by Robert Heemskerk on 15-11-2007 13:42
#6

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)

Posted by Nikita Vikhrev on 15-11-2007 13:55
#7

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