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Diptera.info :: Identification queries :: Diptera (adults)
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wich Diptera-Species? -> Geomyza tripunctata/nartschukae
karl7
#1 Print Post
Posted on 11-09-2026 08:24
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Posts: 700
Joined: 09.02.25

Have a nice Day. One Question please. Can anyone help me with this Diptera species? I would be very grateful for an answer.
Collection data: Austria, Lower Austria, Tattendorf, flowering island next to a vineyard, 220 m, 27 August 2026, size 4 mm.
Kind regards Karl
karl7 attached the following image:


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Edited by karl7 on 13-09-2026 07:28
 
karl7
#2 Print Post
Posted on 11-09-2026 08:25
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2.View
karl7 attached the following image:


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eklans
#3 Print Post
Posted on 11-09-2026 09:18
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Location: Franconia, Germany
Posts: 4794
Joined: 11.11.18

Hello Karl, it's a female Geomyza tripunctata (Opomyzidae)
Greetings, Eric
 
Moumoule
#4 Print Post
Posted on 11-09-2026 14:00
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Location: South of France
Posts: 86
Joined: 25.08.20

Hi Eric,

How can you make difference between Geomyza tripunctata and G. nartschukae without genitalia, please ?
 
karl7
#5 Print Post
Posted on 12-09-2026 07:10
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A good Morning Eric. Thank you for the Answer of female Geomyza tripunctata (Opomyzidae).
Kind regards Karl
 
eklans
#6 Print Post
Posted on 12-09-2026 09:20
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Location: Franconia, Germany
Posts: 4794
Joined: 11.11.18

Hello Karl, I saw, that G. nartschukae is not listed for Austria (PESI portal https://www.eu-nomen.eu/portal/). But in the surrounding countries it is listed, which means that it's probably occuring in Austria, too. So I suggest to name your fly Geomyza tripunctata/nartschukae.
Greetings, Eric
 
Moumoule
#7 Print Post
Posted on 12-09-2026 13:53
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Location: South of France
Posts: 86
Joined: 25.08.20

Thanks for the answer Eric.
 
eklans
#8 Print Post
Posted on 12-09-2026 18:26
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Location: Franconia, Germany
Posts: 4794
Joined: 11.11.18

Thanks for your comment - I wasn't aware of this TumbsUp
Greetings, Eric
 
Moumoule
#9 Print Post
Posted on 12-09-2026 22:44
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Location: South of France
Posts: 86
Joined: 25.08.20

You're welcome. TumbsUp
 
karl7
#10 Print Post
Posted on 13-09-2026 07:27
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Location:
Posts: 700
Joined: 09.02.25

Good morning, everyone. Thanks for the Answers. I'll change it right away to Geomyza tripunctata/nartschukae.
Kind regards Karl.
 
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