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View Thread :: Identification queries :: Diptera (adults)
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#1 Print Post
Posted on 09-09-2021 09:14

Posts: 7
Joined: 06.09.21

Found this fly in a grassland in Berkshire. The red thing is a mite that seems to be parasitising it. It keys out to Pallopteridae if you consider the vibrissae weak, though if considering them present, it keys to Piophilidae, either way I can't seem to fit this to a species in either family.
Muginson attached the following image:

#2 Print Post
Posted on 09-09-2021 09:15

Posts: 7
Joined: 06.09.21

Muginson attached the following image:

Edited by Muginson on 09-09-2021 09:16
Jan Maca
#3 Print Post
Posted on 09-09-2021 15:36

Posts: 961
Joined: 25.03.10

I would try the genus Geomyza.
Jan Willem
#4 Print Post
Posted on 10-09-2021 07:43
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Location: Waalwijk, The Netherlands
Posts: 2095
Joined: 24.07.04

Jan is right, a female of the genus Geomyza [Opomyzidae]. Geomyza balachowskyi or G. hackmani. The abdomen seems to be banded what points to G. balachowskyi. However, the post scutellum seems to be rather dark what point to G. hackmani. Unfortunately the colour differences are not totally reliable for identification. To be sure you would have to study sternite 8 (normally retracted).
Jan Willem van Zuijlen
#5 Print Post
Posted on 10-09-2021 15:20

Posts: 7
Joined: 06.09.21

Fantastic, thank you both!
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30 May 2023 16:11


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23.02.23 21:29
Has anyone used the Leica DM500, any comments.

27.12.22 21:10
Thanks, Jan Willem! Much appreciated. Grin

19.12.22 11:33
Thanks Paul for your work on keeping this forum available! Just made a donation via PayPal.

09.10.22 17:07
Yes, dipterologists from far abroad, please buy your copy at veldshop. Stamps will be expensive, but he, the book is unreasonably cheap Smile

07.10.22 11:55
Can any1 help out with a pdf copy of 1941 Hammer. Vidensk. Meddel. Dansk Naturhist. Foren. 105; thank you

05.10.22 19:59
Found! https://www.veldsh

05.10.22 19:53
@zeegers, your book seems difficult to get from Spain, is there another way?

08.09.22 09:29
Ladies and gentlemen https://jeugdbonds

26.08.22 15:06
Lis - This is vol.11 (eleven) and is 346 pages. Sorry, don't have a copy.

15.08.22 14:22
Hello, can any1 help out with a copy of Catalogue of Palaearctic Diptera II: Scathophagidae-Hyp
odennatidae? or at least how many pages it is? thx

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