Thread subject: Diptera.info :: Coenosia tigrina

Posted by bradbarnd on 22-07-2024 01:08
#1

Photographed by Tom Murray, Location is USA, Massachusetts.

https://www.inatu.../218433468

This fly looks like typical Coenosia tigrina, but it only has one median bristle on each hind tibia instead of the normal approximated pair. I don't see sockets for the missing setae. Genitalia looks the same, more or less, as C. tigrina as well.

Is this variation known in C. tigrina?

inaturalist-open-data.s3.amazonaws.com/photos/386523296/original.jpeg

Posted by bradbarnd on 23-07-2024 02:01
#2

Hind tibiae

Posted by bradbarnd on 23-07-2024 02:02
#3

Genitals.