Thread subject: Diptera.info :: Group of flies on ombella

Posted by pierred on 20-08-2019 08:33
#1

Hello,

[Click on the picture to get a higher resolution. Click again to come back.]
www.galerie-insecte.org/galerie/image/dos237/big/5ds62761.jpg
Pierre Duhem : France : Bessans : 73480 : 29/07/2019
Altitude : 1737 m - Taille : 7-8 mm
Réf. : 237770

I'm rather clueless in front of those flies in great numbers on ombellas in the French Alps. Can somebody help me?

Posted by Nikita Vikhrev on 20-08-2019 11:03
#2

They are Thricops, longipes or nigrifrons

Posted by pierred on 20-08-2019 20:06
#3

Thanks a lot, Nikita.