Thread subject: Diptera.info :: Chalcosyrphus sp. => Chalcosyrphus valgus

Posted by eklans on 17-08-2022 12:08
#3

Hallo Siggi, it's a female Chalcosyrphus valgus, I think.
"apex of the hind tibia with a short, but distinct, keel postero-ventrally, terminating in a minute spike, which is
distinctly shorter than 1/4 the apical width of the hind tibia"(, rufipes without keel or spike).
StN KEYS FOR THE IDENTIFICATION OF ADULT EUROPEAN SYRPHIDAE (DIPTERA), GLASGOW 2011 (Speight & Sarthou)

Edited by eklans on 17-08-2022 12:16