Posted by Karsten Thomsen on 16-10-2024 11:25
#1
Which
Sphegina male? Hvideodde, Bornholm, Denmark, 26 June 2024. The face appears black, and the wing tips darkened. Also, the costa and subcosta seem to join before croossvein r-m. I therefore speculate towards
S. nigra (syn.
clavata), a species seemingly not registered that far north before.