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Diptera.info :: Identification queries :: Diptera (adults)
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Muscid from 07.02.23 --> Phaonia trimaculata (f)
Juergen Peters
#1 Print Post
Posted on 07-02-2023 19:51
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Location: northwest Germany
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Hello,

an 8-9 mm Muscidae at some fruits in our courtyard this afternoon (northwest Germany). At first I thought of the usual Phaonia tuguriorum, but on a closer look I am not sure anymore...
Juergen Peters attached the following image:


[94.66Kb]
Edited by Juergen Peters on 08-02-2023 17:51
Best regards,
Jürgen

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Juergen Peters
Borgholzhausen, Germany
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Juergen Peters
#2 Print Post
Posted on 07-02-2023 19:51
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Pic #2
Juergen Peters attached the following image:


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Best regards,
Jürgen

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Juergen Peters
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Juergen Peters
#3 Print Post
Posted on 07-02-2023 19:51
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Pic #3
Juergen Peters attached the following image:


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Best regards,
Jürgen

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Juergen Peters
Borgholzhausen, Germany
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Juergen Peters
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Posted on 07-02-2023 19:52
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Pic #4
Juergen Peters attached the following image:


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Best regards,
Jürgen

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Juergen Peters
Borgholzhausen, Germany
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Juergen Peters
#5 Print Post
Posted on 07-02-2023 19:52
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Pic #5
Juergen Peters attached the following image:


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Best regards,
Jürgen

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Juergen Peters
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eklans
#6 Print Post
Posted on 08-02-2023 09:54
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Hallo Jürgen, female Phaonia trimaculata, I think.
Greetings, Eric Kloeckner
 
Juergen Peters
#7 Print Post
Posted on 08-02-2023 17:51
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Hello Eric,

eklans wrote:
female Phaonia trimaculata, I think.


thank you again!
Best regards,
Jürgen

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Juergen Peters
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Juergen Peters
#8 Print Post
Posted on 08-02-2023 18:14
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Sorry, one more question: could this one from today at a cut log at the forest border be the same species?
Juergen Peters attached the following image:


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Best regards,
Jürgen

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Juergen Peters
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eklans
#9 Print Post
Posted on 08-02-2023 18:32
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Hi Jürgen, very likely, the only thing that contradicts: Gregor et al state that the should appear IV to IX. But I've found them in XI, too...
Greetings, Eric Kloeckner
 
Juergen Peters
#10 Print Post
Posted on 08-02-2023 19:50
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Thanks again, Eric!

I think, most of the flies that overwinter as adults, become temporarily active on warm and sunny winter days. I found Neomiya cornicina, Scathophaga stercoraria and Calliphora vicina today, too (and even at the beginning of January, when it was 16 °C warm).
Best regards,
Jürgen

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Juergen Peters
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tristram
#11 Print Post
Posted on 09-02-2023 00:27
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Here in Reading, UK I have foiund Phaonia trimaculata is actually most common in the winter months. The plot below is based on specimens I have collected since 2014 (all but 2 since 2018).
tristram attached the following image:


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Edited by tristram on 09-02-2023 21:57
 
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eklans
#12 Print Post
Posted on 09-02-2023 10:26
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Thanks, tristram, nice work and very useful! TumbsUp
Greetings, Eric Kloeckner
 
Juergen Peters
#13 Print Post
Posted on 12-02-2023 21:38
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Thanks, Tristram!

That phenogram looks like one for the ubiquitous Phaonia tuguriorum, a species that can be seen all the year round here, but typically in the colder months (first sighting here on January 2nd).
Best regards,
Jürgen

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Juergen Peters
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