Posted by John Carr on 06-10-2022 14:29
#2
I think it is
Bibio marci: male black with clear wings, short inner spur of fore tibia, short r-m crossvein, hind basitarsus not swollen.
Posted by Zeegers on 06-10-2022 14:40
#3
I agree, this the connotation that the south European Bibio marci-group is a mess
Theo