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 Cerambycidae Lamiinae
 Dorcaschematini
 Malaisie Cylindrepomus aureolineatus
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Gerard
Scientific Collaborator

France
3625 Posts

Posted - 10/11/2012 :  11:55:58  Show Profile  Email Poster  Reply with Quote


MALAISIE, Cameron, taille 18 mm
J'ai regardé dans le Breuning, sans rien trouver.
Pas facile pour ces bêtes magnifiques.

Edited by - Xavier on 27/01/2016 15:34:55

Andre
Member Rosenbergia

Germany
1020 Posts

Posted - 10/11/2012 :  13:20:32  Show Profile  Email Poster  Reply with Quote


Hallo Gerard. this spec. is determined by A. Weigel as Cylindrepomus aureolineatus Dillon & Dillon, 1947, 18 mm and from Trus Madi.
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Gerard
Scientific Collaborator

France
3625 Posts

Posted - 10/11/2012 :  13:24:36  Show Profile  Email Poster  Reply with Quote
Merci beaucoup, une nouvelle bête pour le net.
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Beckey
Member Purpuricenus

Japan
489 Posts

Posted - 03/02/2017 :  14:11:35  Show Profile  Email Poster  Reply with Quote
I think Gerard's one is Cylindrepomus spinosus Hüdepohl 1990.

Elytral apex has longer teeth in C. aureolineatus.
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dryobius
Member Rosenbergia

USA
1254 Posts

Posted - 03/02/2017 :  16:33:07  Show Profile  Email Poster  Reply with Quote

394.36 KB

Females have an acuminate elytral apex. Males do not.
Here is a male C. aureolineatus from Sabah (Borneo).
I have seen numerous specimens of both sexes.
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Beckey
Member Purpuricenus

Japan
489 Posts

Posted - 03/02/2017 :  20:34:45  Show Profile  Email Poster  Reply with Quote
Thank you Dan. I didn't think about sexual dimorphism.

Do you think these species are synonym?
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Capitaine
Scientific Collaborator

France
1152 Posts

Posted - 04/02/2017 :  14:36:54  Show Profile  Email Poster  Reply with Quote
For Titan base both species are valid and not synonym.
C. aureolineatus from Sarawak / Borneo and C. spinosus from Thailand.

Claude
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Xavier
Scientific Collaborator

France
7929 Posts

Posted - 04/02/2017 :  16:01:02  Show Profile  Email Poster  Reply with Quote
I just starting to understand something (may be I am wrong):

- Holotype of Cylindrepomus spinosus Hüdepohl, 1990 has been "collected" in "south Thailand" by Sabine Steinke. (see here)

- Other specimens come from ... Borneo like on this page

What could be the conclusion??

Edited by - Xavier on 04/02/2017 16:02:33
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Capitaine
Scientific Collaborator

France
1152 Posts

Posted - 04/02/2017 :  17:41:49  Show Profile  Email Poster  Reply with Quote
Décidément on en sort pas ! je vais finir par croire que la Thailande et Borneo étaient côte-à-côte il y a peu de temps !

Claude
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Pierre-Olivier Maquart
Member Rosalia

United Kingdom
689 Posts

Posted - 04/02/2017 :  18:32:28  Show Profile  Email Poster  Reply with Quote
C'est la magie de la tectonique des plaques

Ce post sur Saraburi est décidément passionnant
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Xavier
Scientific Collaborator

France
7929 Posts

Posted - 04/02/2017 :  18:49:28  Show Profile  Email Poster  Reply with Quote
Manifestement, le post sur Saraburi ne plait pas à tout le monde.
Cependant, je ne suis pas du tout décidé à me laisser impressionner ou égarer par des approximations vaseuses. C'est même l'inverse ; l'adversité est...motivante

Edited by - Xavier on 04/02/2017 18:50:05
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dryobius
Member Rosenbergia

USA
1254 Posts

Posted - 04/02/2017 :  23:49:31  Show Profile  Email Poster  Reply with Quote
C. spinosus seems likely to be a synonym of C. aureolineatus. It is too soon to say with absolute proof.

Yokoi and I are doing another paper on Dorcaschematini planned to be published in 2018. There are some remaining new species, new subspecies, and if C. spinosus is a synonym, then we will publish it as such. Yokoi has examined nearly all of the holotypes of this tribe.

The discussion on Sariburi has certainly explained some curious patterns of distribution.
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Beckey
Member Purpuricenus

Japan
489 Posts

Posted - 05/02/2017 :  00:24:32  Show Profile  Email Poster  Reply with Quote
Now I read the topic "Saraburi, XI.1988, Thailande".

Attached specimen was collected in Selangor by myself.

Inspite of Gerard's one is labeled "Cameron Highlands", this species distribute in Peninsular Malaysia at least.


43.7#160;KB

Edited by - Beckey on 05/02/2017 12:31:12
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Gerard
Scientific Collaborator

France
3625 Posts

Posted - 05/02/2017 :  08:16:32  Show Profile  Email Poster  Reply with Quote

298.43 KB

Indonésie, Ile de Bornéo, Kalimantan, Mt Bawang,

Je rajoute ce male de Bornéo.
Les femelle sont plus "rare".
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