Thread subject: Diptera.info :: Pond fly with a metallic sheen

Posted by FRV on 29-05-2021 19:15
#1

Hi,

I have photographed this fly on a forest pond. Loc. 20km West of Paris. Size about 6-7mm.
Seems it was ffeding upon springtails.
Any idea on its identity?
Thanks for any help,

FRV

Posted by tristram on 29-05-2021 20:21
#2

Dolichopodidae

Posted by FRV on 29-05-2021 20:59
#3

Thank you Tristan, any idea on the genus?

Posted by John Carr on 29-05-2021 21:40
#4

Subfamily Dolichopodinae (all tibiae with bristles, preapical bristles on hind femora, arista nearly basal).

Posted by FRV on 31-05-2021 11:08
#5

Thank you very much John, seems difficult to go further ... maybe Dolichopus.

FRV