Thread subject: Diptera.info :: Could this be Anthomyiidae?-->No, Fanniidae!

Posted by guplox on 25-02-2022 04:52
#1

I misidentified my previous picture (https://diptera.i...ost_435288) as a Lauxannidae. This one has similar body color but by a closer examination it has some noticeable differences. The scutellum is subtriangular (subrectangular for previous one) and the head has more bristles (obviously in the lateral view). Could this be an Anthomyiidae? Many thanks in advance!

Edited by guplox on 26-02-2022 01:53

Posted by guplox on 25-02-2022 04:52
#2

A lateral view

Posted by John Carr on 25-02-2022 12:24
#3

Fanniidae

Posted by guplox on 25-02-2022 13:05
#4

Thank you John very much for the correction! Alas, so I made another misidentification. I'll explore this new direction. :)

Posted by tristram on 25-02-2022 18:30
#5

In Fanniidae this vein is straight.
In Anthomyiidae and Muscidae (except Hydrotaea) it is more curved.

Edited by tristram on 25-02-2022 18:36

Posted by tristram on 25-02-2022 18:36
#6

In Fanniidae these two spines are directly above each other.
In Muscidae the upper one, if its present, points more to the rear (except Thricops).
I can't remember exactly how these go in Anthomyiidae but they often have 3 or more spines in this line.

Posted by John Carr on 25-02-2022 20:19
#7

tristram wrote:
In Fanniidae this vein is straight.
In Anthomyiidae and Muscidae (except Hydrotaea) it is more curved.


Calythea (Anthomyiidae) also has the vein straight. These are small flies found on herbivore dung.

Posted by guplox on 26-02-2022 01:52
#8

Thank you Tristam and John for the very helpful diagnostic characters of Faniidae and related families! Looks like a very easy to apply guide on distinguishing them from one another! |t

Posted by guplox on 26-02-2022 02:32
#9

I did a search. The most often seen Fanniidae in early spring in east China is Fannia prisca. Judging from the general appearance, my pictures could be this species. :)