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 China: Exocentrus sp.
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nalslan
Member Purpuricenus

China
298 Posts

Posted - 01/09/2019 :  10:33:32  Show Profile  Email Poster  Reply with Quote
E. fisheri? E. marginatus? or something else? A headache species...
Any idea? Thanks.


291.82 KB
Guizhou, China

Edited by - Xavier on 08/09/2019 21:52:50

Xavier
Scientific Collaborator

France
12095 Posts

Posted - 01/09/2019 :  11:12:14  Show Profile  Email Poster  Reply with Quote
Exocentrus (Pseudocentrus) keiichii Tsuyuki, 1999 & Exocentrus (Pseudocentrus) kusamai Tsuyuki, 1999 from Taiwan seem to have similar habitus,but I have not seen HT. (and if you find original descriptions...)
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nalslan
Member Purpuricenus

China
298 Posts

Posted - 01/09/2019 :  11:17:25  Show Profile  Email Poster  Reply with Quote
Thank you Xavier, I'll try.

quote:
Originally posted by Xavier

Exocentrus (Pseudocentrus) keiichii Tsuyuki, 1999 & Exocentrus (Pseudocentrus) kusamai Tsuyuki, 1999 from Taiwan seem to have similar habitus,but I have not seen HT. (and if you find original descriptions...)

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Xaurus
Member Rosenbergia

Germany
1907 Posts

Posted - 02/09/2019 :  01:00:15  Show Profile  Email Poster  Reply with Quote
similar is Exocentrus (Pseudocentrus) parterufipennis Breuning, 1956 too, but described from the Philippines

anybody has the descriptions of the both Tsuyuki's species in the Elytra journal ?
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sangamesh
Member Purpuricenus

India
426 Posts

Posted - 02/09/2019 :  14:17:21  Show Profile  Email Poster  Reply with Quote
Here is the link to Tsuyuki's publication...Publications in the Elytra from 1973-2010 are freely available here


Edit: It seems pdf link I attached is not working...but you can get Tsuyuki's publication from the other link mentioned above...once in the website, just search for "27(1)005TsuyukiS"

Edited by - sangamesh on 02/09/2019 14:23:24
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Xavier
Scientific Collaborator

France
12095 Posts

Posted - 02/09/2019 :  14:28:43  Show Profile  Email Poster  Reply with Quote
Sorry Sangamesh, but I do not find it with your link.
This one works.
Anyway, it's neither of these two species from Taiwan, given the length of the antennas.

Edited by - Xavier on 02/09/2019 14:53:48
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Xaurus
Member Rosenbergia

Germany
1907 Posts

Posted - 03/09/2019 :  00:17:10  Show Profile  Email Poster  Reply with Quote
thanks for the link !
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znort
Member Purpuricenus

China
484 Posts

Posted - 03/09/2019 :  18:38:17  Show Profile  Email Poster  Reply with Quote
I find one specimen very close in Jiangxi in June this year. Like you I think in first marginatus or maybe kusamai.

Chinese Cerambycidae

Edited by - Xavier on 04/09/2019 07:55:09
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Xavier
Scientific Collaborator

France
12095 Posts

Posted - 04/09/2019 :  07:47:41  Show Profile  Email Poster  Reply with Quote
Holotype picture of Exocentrus (Pseudocentrus) marginatus Tsherepanov, 1973 is available here and here.

Edited by - Xavier on 04/09/2019 08:03:07
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nalslan
Member Purpuricenus

China
298 Posts

Posted - 04/09/2019 :  10:09:37  Show Profile  Email Poster  Reply with Quote
Xavier, thank you. Access to and understanding the original description are also headache issues.

quote:
Originally posted by Xavier

Holotype picture of Exocentrus (Pseudocentrus) marginatus Tsherepanov, 1973 is available here and here.

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Xaurus
Member Rosenbergia

Germany
1907 Posts

Posted - 05/09/2019 :  00:15:43  Show Profile  Email Poster  Reply with Quote
I don't believe its E. marginatus esp because of the different shape of pronotum and other features too, but indeed very similar in first view.
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Max
Member Rosalia

Russia
713 Posts

Posted - 08/09/2019 :  21:43:40  Show Profile  Email Poster  Reply with Quote
Yes, very large pronotum but very similar totally. I haven`t the female, three males only. Here from Lazo district-


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Xavier
Scientific Collaborator

France
12095 Posts

Posted - 08/09/2019 :  21:52:17  Show Profile  Email Poster  Reply with Quote
quote:
Originally posted by Xaurus

I don't believe its E. marginatus esp because of the different shape of pronotum and other features too, but indeed very similar in first view.



Do you have a picture of a true E.marginatus , or better, a good picture of the holotype ?
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Xaurus
Member Rosenbergia

Germany
1907 Posts

Posted - 09/09/2019 :  00:27:59  Show Profile  Email Poster  Reply with Quote
Max's pict is a true male of E. marginatus
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Xavier
Scientific Collaborator

France
12095 Posts

Posted - 09/09/2019 :  08:48:24  Show Profile  Email Poster  Reply with Quote
Ok , I just figured out .
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Xavier
Scientific Collaborator

France
12095 Posts

Posted - 09/09/2019 :  09:00:30  Show Profile  Email Poster  Reply with Quote

205.06 KB
a small assembly to identify differences.

* note that the Chinese specimen lacks segments 11

Well, except for the sides of the pronotum...

Edited by - Xavier on 09/09/2019 09:11:24
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