Posted by Dmitry Gavryushin on 22-05-2023 15:19
#1
May 14, 2023, Russia, Moscow reg., Naro-Fominsk env. On a dead aspen, many males and females, courting and mating.
Images of flies were posted here (as
leucopeza, before examining male terminalia):
https://www.inaturalist.org/observations/161667952
Posted by Fred Fly on 23-05-2023 12:37
#2
Seems to be A. pappi by genitalia as well as by by your pictures of imagines. Hope you have taken a series of specimens for further studies.
Posted by Dmitry Gavryushin on 23-05-2023 14:36
#3
Thanks a lot! Yes half a dozen males were collected. Apparently not yet formally recorded from Russia.