Posted by Sundew on 28-01-2019 19:32
#3
Cheilosia is close to hopeless... What we see on these rather poor pictures of this male is: orange antennae and hairy eyes, and the tibiae are not entirely yellow. So
C. bergenstammi might be a candidate. Compare with Steven Falk's
Cheilosia album
https://www.flick...690619935/.