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 Cerambycidae Lamiinae
 Tragocephalini
 Gabon: Isochariesthes flava
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Bobal
Member Demonax

Gabon
59 Posts

Posted - 21/11/2020 :  07:42:16  Show Profile  Email Poster  Reply with Quote

59.4 KB

Un Tragocephalini ?
provenance des monts de Cristal, 7 mm

Olivier

Edited by - Xavier on 22/11/2020 08:16:26

Bennyboymothman
Member Rosenbergia

United Kingdom
1480 Posts

Posted - 21/11/2020 :  14:40:14  Show Profile  Email Poster  Visit Bennyboymothman's Homepage  Send Bennyboymothman a Yahoo! Message  Reply with Quote
Chariesthes multinotatus Chevrolat 1858?
It does show some variation.
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Bobal
Member Demonax

Gabon
59 Posts

Posted - 21/11/2020 :  16:42:34  Show Profile  Email Poster  Reply with Quote
It seems to be multinotata indeed. But the black points are a bit different, perhaps a variation yes

Olivier
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Bobal
Member Demonax

Gabon
59 Posts

Posted - 22/11/2020 :  07:24:31  Show Profile  Email Poster  Reply with Quote
In BREUNING :
"les élytres avec une tache en commun apres l'écusson; avant le bout de chaque élytre deux taches l'une a côté de l'autre". Ch. nigropunctata nov.
"the elytra with a spot in common after the escutcheon; before the end of each elytron two spots next to each other".

Rather seems to be nigropunctata?
thank you Bennyboymothman

Olivier

Edited by - Bobal on 22/11/2020 07:34:23
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Bennyboymothman
Member Rosenbergia

United Kingdom
1480 Posts

Posted - 22/11/2020 :  21:13:37  Show Profile  Email Poster  Visit Bennyboymothman's Homepage  Send Bennyboymothman a Yahoo! Message  Reply with Quote
Well found, that extract seems to match your insect perfectly!
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Bobal
Member Demonax

Gabon
59 Posts

Posted - 23/11/2020 :  19:05:11  Show Profile  Email Poster  Reply with Quote
Thank you for your help, you put me on the right path!

Olivier
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Bennyboymothman
Member Rosenbergia

United Kingdom
1480 Posts

Posted - 23/11/2020 :  21:04:55  Show Profile  Email Poster  Visit Bennyboymothman's Homepage  Send Bennyboymothman a Yahoo! Message  Reply with Quote
You're welcome. Such a steep learning curve for me, Cerambycidae.
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Jérôme Sudre
Member Rosenbergia

France
1707 Posts

Posted - 28/11/2020 :  19:16:53  Show Profile  Email Poster  Reply with Quote
Bonsoir

votre Tragocephalini est Isochariesthes flava (Fiedler 1939) qui était à l'origine nommé Chariesthes flava, devenu par la suite Pseudochariesthes flava (Fiedler) et ensuite Isochariesthes flava (Fiedler) car il présente les caractères des Isochariesthes .
Cependant il faut noter que Pseudochariesthes testui Breuning est un synonyme (type vu dans la collection Lepesme )de I flava ! De plus il est probable que le Chariethes flava (Fiedler) ne soit qu'un synonyme de Chariethes nigropunctata Breuning 1934 dont j'ai vu le type il y a quelques années mais que j'aimerais revoir pour en être certain car nigropunctata me semble légèrement différent donc à suivre et pour le moment I flava (Fiedler)

Edited by - Jérôme Sudre on 29/11/2020 12:14:22
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Bobal
Member Demonax

Gabon
59 Posts

Posted - 30/11/2020 :  12:17:52  Show Profile  Email Poster  Reply with Quote
merci beaucoup Jérôme !

Olivier
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