Posted by eklans on 26-07-2023 08:57
#2
Bonjour Pierre, sure as can be with a female:
N. cothurnatus:
- long bristles on fore tibia pale
- fore metatarsus mostly yellow
("females are difficult to determine - sure only under the microscope")
Die Raubfliegen Deutschlands (Wolff, Gebel, Geller-Grimm)