Thread subject: Diptera.info :: Syrphidae: Portevinia maculata ? --> No, it's Cheilosia semifasciata

Posted by Karsten Thomsen on 06-03-2020 18:47
#5
Judging from Bot & Meutter 2019, the combination of dark antennae, hairy eyes, and clear, welldefined grey-blue spots on the tergits should point to Cheilosia fasciata. C. semifasciata has less clear spots and is quite small.
I have myself never seen any of the two mentioned Cheilosia, however.