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Diptera.info :: Identification queries :: Diptera (adults)
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Metopia sp. 2? --> M. staegeri
Jann Wuebbenhorst
#1 Print Post
Posted on 20-03-2022 16:41
Member

Location: Northern Germany, Lower Saxony
Posts: 566
Joined: 10.03.17

Here's another Metopia looking a little different from the one photographed on 23rd May. This photos were take on 29th May 2021, on a field maple hedge in an garden (Lüneburg, Niedersachsen, Germany).
Jann
Jann Wuebbenhorst attached the following image:


[184.41Kb]
Edited by Jann Wuebbenhorst on 03-11-2022 21:18
 
Jann Wuebbenhorst
#2 Print Post
Posted on 20-03-2022 16:43
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Location: Northern Germany, Lower Saxony
Posts: 566
Joined: 10.03.17

2nd
Jann Wuebbenhorst attached the following image:


[156.81Kb]
 
eklans
#3 Print Post
Posted on 20-03-2022 17:17
Member

Location: Franconia, Germany
Posts: 3405
Joined: 11.11.18

Hi Jann, this male looks indeed different from the other one in your previous thread. Not all important characters can be seen, but it's probably Metopia staegeri.
Edited by eklans on 20-03-2022 17:18
Greetings, Eric Kloeckner
 
Jann Wuebbenhorst
#4 Print Post
Posted on 20-03-2022 21:54
Member

Location: Northern Germany, Lower Saxony
Posts: 566
Joined: 10.03.17

Thank you very much, Eric!
Then it is indeed a pity that I couldn't take better photos, als Metopia staegeri is not listed yet for Niedersachsen.

Jann
 
eklans
#5 Print Post
Posted on 21-03-2022 08:07
Member

Location: Franconia, Germany
Posts: 3405
Joined: 11.11.18

Hi Jann, my suspicion of M. staegeri was based on the visisble difference between your 2 Metopia. But maybe we have a little chance if you look at the original images to find out if the "Tarsomeres of fore tarsus posteriorly with elongated, somewhat curled hairs" (from: A Revision of Oriental and Eastern Palaearctic Species of Metopia, By Thomas Pape, Copenhagen).


Greetings, Eric Kloeckner
 
Zeegers
#6 Print Post
Posted on 21-03-2022 12:39
Member

Location: Soest, NL
Posts: 18528
Joined: 21.07.04

The traditional name for staegeri is rondaniana, maybe it is as such on the NS list. In any case, it is a common species definitely present in NS.

As for the ID, I agree with eklans. The contrast on frons between white and dark is less extreme than in argyrocephala, a clear indication that this is staegeri.

Theo
 
Jann Wuebbenhorst
#7 Print Post
Posted on 21-03-2022 20:56
Member

Location: Northern Germany, Lower Saxony
Posts: 566
Joined: 10.03.17

The Sarcophagidae are one of the diptera families for which the knowledge in Niedersachsen is really poor. Many species were not published any more since the 1930s.
At the moment, there are only two Metopia species on the list: Metopia argyrocephala and Metopia campestris, with the last records published in 1939 in both cases.

I add a magnification of a part of the original photo, but I think the sharpness is not sufficient.
Jann Wuebbenhorst attached the following image:


[118.64Kb]
 
Jann Wuebbenhorst
#8 Print Post
Posted on 03-04-2024 21:01
Member

Location: Northern Germany, Lower Saxony
Posts: 566
Joined: 10.03.17

Jens-Hermann Stuke is about to publish a new paper with Diptera species recently added to the Niedersachsen Checklist.
Do you think this record of M. staegeri has enough evidence to be included in the paper?

Greetings, Jann
 
Zeegers
#9 Print Post
Posted on 04-04-2024 07:43
Member

Location: Soest, NL
Posts: 18528
Joined: 21.07.04

WEll, he should have dozens of records. Maybe it is listed as rondaniana ?

Theo
 
Jann Wuebbenhorst
#10 Print Post
Posted on 07-04-2024 19:10
Member

Location: Northern Germany, Lower Saxony
Posts: 566
Joined: 10.03.17

In Stuke (2019), there are only two Metopia species listed: M. argyrocephala and M. campestris - the latter only mentioned for the 1930s.
And in the Updates (http://www.conopi.../styled-2/), Metopia is not mentioned so far.
Jann
 
Zeegers
#11 Print Post
Posted on 08-04-2024 09:00
Member

Location: Soest, NL
Posts: 18528
Joined: 21.07.04

Well, that is clearly incomplete. He should have several more

Theo
 
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