[Syrphidae] Pterallastes is Palumbia?

[Gerard Pennards]

Dear all,
Thank you for your reactions so far.
With the help of Christian Thompson (Thanks Christian) I found out that the 
specimen from the Greek mountains is more likely to be Palumbia sp. than 
Pterallastes sp. The most likely candidat seems to be Palumbia eristaloides 
Portschinsky, that also occurs in Turkey and the Balcan.

To be certain of its identity I have put some digital pictures (made by Paul 
Beuk, thanks Paul) on the web:
Specimen in dorsal view:
[img]http://www.diptera.info/images/cfPalumbia_erist_dors1.jpg[/img]
(a larger, unedited image here
[url]http://www.diptera.info/images/100_0479.JPG[/url]

Specimen in lateral view:
[img]http://www.diptera.info/images/cfPalumbia_erist_lat.jpg[/img]
(a larger, unedited image here
[url]http://www.diptera.info/images/100_0483.JPG[/url]

Wing:
[img]http://www.diptera.info/images/cfPalumbia_erist_wing.jpg[/img]
(a larger, unedited image here
[url]http://www.diptera.info/images/100_0482.JPG[/url]

Head in lateral view:
[img]http://www.diptera.info/images/cfPalumbia_erist_head_lat.jpg[/img]
(a larger, unedited image here
[url]http://www.diptera.info/images/100_0484.JPG[/url]

Head in anterior view:
[img]http://www.diptera.info/images/cfPalumbia_erist_head_ant.jpg[/img]
(a larger, unedited image here
[url]http://www.diptera.info/images/100_0487.JPG[/url]

The larger, unedited images may run off the screen (depending on the fact
whether your browser resizes images that are too large to fit on the screen.
In that case you will need to use the scroll bars to go to the parts you
want to see.

I would be grateful for any comments about the identity, hopefully the 
pictures are clear enough.
Greetings, Gerard Pennards

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