I tried to add this to my previous post but cannot edit it. C. pyrophana is not listed as present in Italy on this chrysis.net site, so perhaps it is mainly Iberian? So guess that removes one candidate...!
Alex, many thanks for this reply. Confess I had not considered pyrophana. Because of my poor images, guess this will stay without an ID!Here's hoping for another sighting next year. This year turned out quite disappointing for hymenoptera in my area of the Apennines: too dry and poor floral resources.
wondering if this could be C. pyrophana? The pits on the apical rim looks a bit large however (mostly in the second picture), so perhaps it could be a male C. subsinuata? Or maybe it is something else all together, I not sure
... , as it looks as like it totally lack teeth on tergite 3. I sadly only have a female in my collection, so I can't compare it, but I have a few C. pyrophana males - will have a look Edit: Its hard to tell really, I'm leaning towards C. pyrophana or C. peninsularis (its very closely related to the ...