Posted by FliegenFranz on 27-05-2021 18:25
#1
Hello,
Bibio in lower Bavaria, May 2021, on Alnus glutinosa in wet forest
Thank you!
Edited by FliegenFranz on 29-05-2021 11:44
Posted by eklans on 28-05-2021 12:15
#2
Hi Fliegenfranz, many useful details are missing (hairs on mesonotum ♂ black?, spurs of tibia III ♀ thin?...). But I think it could be B. varipes:
- relatively stout
- Metatarsus III ♂ moderately thickened
- wings brownish/yellowish, hind veins ♀ slightly yellowish