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 Cerambycidae Lamiinae
 Dorcaschematini
 Sumatra, Cylindrepomus sp.
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jplami
Member Rosalia

France
649 Posts

Posted - 04/01/2021 :  14:55:09  Show Profile  Email Poster  Visit jplami's Homepage  Reply with Quote

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Male 15 mm long from West Sumatra, Mt Sanggul

Lamiaires du MondeLamiines of WorldCerambycidae Lamiinae

Edited by - Xavier on 05/01/2021 06:53:33

Xavier
Scientific Collaborator

France
11111 Posts

Posted - 04/01/2021 :  18:33:43  Show Profile  Email Poster  Reply with Quote
Tu es certain que c'est un mâle ?
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Andre
Member Rosenbergia

Germany
1481 Posts

Posted - 04/01/2021 :  18:45:00  Show Profile  Email Poster  Reply with Quote
Might be the female from Cylindrepomus dentatus Yokoi & Heffern, 2016
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Gerard
Scientific Collaborator

France
4858 Posts

Posted - 04/01/2021 :  18:45:36  Show Profile  Email Poster  Reply with Quote
Cylindrepomus dentatus Yokio & Heffern 2016 femelle a mon avis.
Dan va peux être nous en dire plus.

nos réponses ce sont croisés

Edited by - Gerard on 04/01/2021 18:47:05
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jplami
Member Rosalia

France
649 Posts

Posted - 04/01/2021 :  19:22:39  Show Profile  Email Poster  Visit jplami's Homepage  Reply with Quote
C'est bien un mâle !

Lamiaires du MondeLamiines of WorldCerambycidae Lamiinae
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Xavier
Scientific Collaborator

France
11111 Posts

Posted - 04/01/2021 :  19:29:00  Show Profile  Email Poster  Reply with Quote
quote:
Originally posted by jplami

C'est bien un mâle !

cf ma question, pour éliminer C. dentatus femelle

Edited by - Xavier on 04/01/2021 19:29:22
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jplami
Member Rosalia

France
649 Posts

Posted - 04/01/2021 :  20:10:16  Show Profile  Email Poster  Visit jplami's Homepage  Reply with Quote
Ce n'est pas dentatus ou alors c'est vraiment une forme très très mineure

Lamiaires du MondeLamiines of WorldCerambycidae Lamiinae
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Xavier
Scientific Collaborator

France
11111 Posts

Posted - 04/01/2021 :  22:28:02  Show Profile  Email Poster  Reply with Quote
En effet. As-tu extrait les genitalia ?

Edited by - Xavier on 04/01/2021 22:28:15
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jplami
Member Rosalia

France
649 Posts

Posted - 04/01/2021 :  23:21:08  Show Profile  Email Poster  Visit jplami's Homepage  Reply with Quote
Non, mais vu à la binoculaire de dessous et de coté, le dernier segment abdominal est sans aucun doute celui d'un mâle.
De dessus, on voit les 2 bouts des paramères qui dépassent.

En agrandissant la photo initiale, vous les percevez.

34.07 KB

Lamiaires du MondeLamiines of WorldCerambycidae Lamiinae

Edited by - jplami on 04/01/2021 23:48:56
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Xavier
Scientific Collaborator

France
11111 Posts

Posted - 05/01/2021 :  06:52:47  Show Profile  Email Poster  Reply with Quote

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Cylindrepomus dentatus Yokoi & Heffern, 2016 HT mâle Sumatra
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jplami
Member Rosalia

France
649 Posts

Posted - 05/01/2021 :  08:41:04  Show Profile  Email Poster  Visit jplami's Homepage  Reply with Quote
Encore une bête intéressante...

Lamiaires du MondeLamiines of WorldCerambycidae Lamiinae
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dryobius
Member Rosenbergia

USA
1704 Posts

Posted - 05/01/2021 :  10:47:06  Show Profile  Email Poster  Reply with Quote
For me, it doesn't look anything like a male or female C. dentatus except that both species have some similar color and body length is under 20mm!

Yokoi still has a few new species (perhaps a couple of mine!) of Dorcaschematini to describe. I have not heard any news from him in about 2-3 years.

In the "Remarks" section of our paper, there is a discussion about how difficult it is to define the differences between the genera Cylindrepomus, Olenecamptus, Macrocamptus....

So, JP's specimen could be Olenecamptus by some definition or Cylindrepomus by another.. or even assigned to a totally different genus.

You have sexual dimorphism in a few species, as well as significant size variation in a couple of species.

I suggest that you email Yokoi (I can give you email address or get it from his last pdf on Callidiopini in 2019) and collaborate.
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