Posted by ckazilas on 20-05-2020 13:56
#3
Paul Beuk wrote:
I think I can just make out the onset of the fork in R4+5 in the right wing, so that would make it Empis. Should be near E. pennipes.
The pennation on the legs serves as a visual trick to enlarge body size and thus suggests high(er) fertility in mating swarms (short version).
Thank you Paul!