Posted by Piluca_Alvarez on 19-10-2018 06:34
#4
Hi, Pietro :)
If those two species are the only possibilities of this group of species in Sicilia, it should be
polyphemus then :)
Best
Piluca
Posted by Pietro on 19-10-2018 16:30
#5
Ciao Piluca,
for the keys of Sanchez Terron and Roldan Bravo with "Occipucio amarillo": only polyphemus and nebulosus, wing design more compatible with polyphemus.
For Sardinia both not reported!
Your opinion ...
new report?
Posted by Piluca_Alvarez on 19-10-2018 17:12
#6
Well, if none of them has been reported in Sardinia, the situation is a lot trickier ;)
There are some European species that I have never seen or been able to study :( Give me a couple of days to study the situation, please. One thing is certain: I have seen
polyphemus in real life and this one fits rather nicely, although I cannot get a real idea of its size.
T. polyphemus is usually a really bulky fly compared to common species as
perspicillaris or
elegans. But size variation is important in most Anthracinae :( (at least here in Spain) and can be deceiving.
See a picture of
T. polyphemus in Spain. On flowers of
Eryngium campestre. That will give you an idea and a reference to compare :) while you wait... ;)
Edited by Piluca_Alvarez on 19-10-2018 17:14
Posted by Pietro on 19-10-2018 17:41
#7
Thanks piluca
size about 14/15 mm.
For the Bombilids of Sardinia the checklist of Faunaitalia and Faunaeur are incomplete and not reliable.
Edited by Pietro on 19-10-2018 17:42