Diptera.info :: Identification queries :: Diptera (adults)
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 Tabanidae ID => Nemorius vitripennis (f)
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| basileus |
Posted on 04-06-2023 12:00
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Member Location: Posts: 660 Joined: 22.11.20 |
Is it possible to identify this one by such foto? June 2023. Western region of Ukraine.
basileus attached the following image:  [87.34Kb] Edited by basileus on 11-06-2023 12:33 |
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| Zeegers |
Posted on 05-06-2023 17:22
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Member Location: Soest, NL Posts: 18791 Joined: 21.07.04 |
Well, this seems to be a big surprise: female of Silvius latifrons, which has two separated populations: Caucasus and Greece. This might fill the gap. Theo |
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| John Carr |
Posted on 05-06-2023 19:06
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 Member Location: Massachusetts, USA Posts: 10177 Joined: 22.10.10 |
Zeegers wrote: Well, this seems to be a big surprise: female of Silvius latifrons, which has two separated populations: Caucasus and Greece. This might fill the gap. Theo Silvius latifrons graecus was reported from Turkey, Çanakkale province along the Dardanelles (Kılıç 2001). Is graecus still a subspecies? |
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| Zeegers |
Posted on 05-06-2023 19:20
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Member Location: Soest, NL Posts: 18791 Joined: 21.07.04 |
Thanks, John ! Well, how to define a (su  species in case of allopatric taxa ?Theo |
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| basileus |
Posted on 05-06-2023 20:42
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Member Location: Posts: 660 Joined: 22.11.20 |
Zeegers wrote: Well, this seems to be a big surprise: female of Silvius latifrons, which has two separated populations: Caucasus and Greece. This might fill the gap. Theo Wow! I don't even know what to say about this? |
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| Zeegers |
Posted on 05-06-2023 21:12
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Member Location: Soest, NL Posts: 18791 Joined: 21.07.04 |
it is not (yet) 100 %, it is 99%. catch one and/or make a razorsharp pic of the antenna (yes, I know, it is not easy) Theo |
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| John Carr |
Posted on 06-06-2023 09:33
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Member Location: Massachusetts, USA Posts: 10177 Joined: 22.10.10 |
Zeegers wrote: Thanks, John ! Well, how to define a (sub)species in case of allopatric taxa ? Theo One of the American Drosophila researchers used to test reproductive compatibility with existing species before describing a new species. |
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| Zeegers |
Posted on 06-06-2023 18:28
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Member Location: Soest, NL Posts: 18791 Joined: 21.07.04 |
Well done, I do applaud this apprisch, but highly theoretical in nearly all cases, alas..Theo |
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