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Diptera.info :: Identification queries :: Diptera (adults)
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?Dasyrhamphis umbrinus (Tabanidae) => Nemorius vitripennis (m)
basileus
#1 Print Post
Posted on 04-06-2023 12:54
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Is it possible to confirm or deny the correctness of the definition based on such a photo? Found in June 2023. Western region of Ukraine.
basileus attached the following image:


[184.55Kb]
Edited by basileus on 06-06-2023 19:59
 
Zeegers
#2 Print Post
Posted on 05-06-2023 18:23
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Location: Soest, NL
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Much, much better. Seems to be the male of Silvius latifrons, see the other post.
Did you collect any of this material ?

Great find (if correct).


Theo
 
basileus
#3 Print Post
Posted on 05-06-2023 21:44
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Zeegers wrote:
Much, much better. Seems to be the male of Silvius latifrons, see the other post.
Did you collect any of this material ?

Great find (if correct).


Theo


Thank you, I don't collect it! Next time I do it!
 
basileus
#4 Print Post
Posted on 06-06-2023 13:48
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Zeegers wrote:
Much, much better. Seems to be the male of Silvius latifrons, see the other post.
Did you collect any of this material ?

Great find (if correct).


Theo


Today I catch one of them.
 
basileus
#5 Print Post
Posted on 06-06-2023 13:49
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basileus wrote:
Zeegers wrote:
Much, much better. Seems to be the male of Silvius latifrons, see the other post.
Did you collect any of this material ?

Great find (if correct).


Theo


Today I catch one of them.

basileus attached the following image:


[49.16Kb]
 
Zeegers
#6 Print Post
Posted on 06-06-2023 19:37
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Amazing, well done !!
That said, it is now clear that that second antennal segment is elongated, not short as it appeared to be in the older pics. This was the 1 % doubt.

So it 100 % is Nemorius vitripennis, which is still a great find, but not as spectacular as latifrons. The northern border of its distribution is (or was in 1972) “ ….. and the Ukrainian Transkarpathians, Chust region”. if that makes any sense to you.

Theo
Edited by Zeegers on 06-06-2023 19:37
 
basileus
#7 Print Post
Posted on 06-06-2023 20:04
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Zeegers wrote:
Amazing, well done !!
That said, it is now clear that that second antennal segment is elongated, not short as it appeared to be in the older pics. This was the 1 % doubt.

So it 100 % is Nemorius vitripennis, which is still a great find, but not as spectacular as latifrons. The northern border of its distribution is (or was in 1972) “ ….. and the Ukrainian Transkarpathians, Chust region”. if that makes any sense to you.

Theo


I noticed about ten specimens of these tabanidae (they were sitting on the road bridge over the Tisza River) twenty kilometers from the location you mentioned here (Chust).
so, thank you, Theo, for your help in identifying the species.
 
John Carr
#8 Print Post
Posted on 06-06-2023 20:20
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Zeegers wrote:
So it 100 % is Nemorius vitripennis, which is still a great find, but not as spectacular as latifrons. The northern border of its distribution is (or was in 1972) “ ….. and the Ukrainian Transkarpathians, Chust region”. if that makes any sense to you.

Theo


According to Wikipedia German Chust = English Khust = Ukrainian Хуст. 48°10′N 23°17′E.
 
http://www.flickr.com/photos/31715949@N00
Zeegers
#9 Print Post
Posted on 06-06-2023 20:27
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Tisza, so that is at the Hungarian border ? Nice.

Theo
 
basileus
#10 Print Post
Posted on 07-06-2023 17:04
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Zeegers wrote:
Tisza, so that is at the Hungarian border ? Nice.

Theo


Yes, <20 km to Hungarian and 5km to Romanian borders.
 
basileus
#11 Print Post
Posted on 07-06-2023 17:05
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John Carr wrote:
Zeegers wrote:
So it 100 % is Nemorius vitripennis, which is still a great find, but not as spectacular as latifrons. The northern border of its distribution is (or was in 1972) “ ….. and the Ukrainian Transkarpathians, Chust region”. if that makes any sense to you.

Theo


According to Wikipedia German Chust = English Khust = Ukrainian Хуст. 48°10′N 23°17′E.


Absolutely correct!
 
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