Posted by
eklans on 30-11-2021 09:46
#2
Hi Helge, it's one of Ch. lutescens, belgica, austriaca.
Presently, females of these 3 species cannot be distinguished
with accuracy:
Snow flies of the genus Chionea (Diptera: Limoniidae) in Austria, Erhard Christian, Contributions to natural History
No. 12: 361–380 · 18 December 2009