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 Cerambycidae Cerambycinae
 Prothemini
 Borneo: Euryarthrum lambii
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Pierre
Member Rosenbergia

Switzerland
1755 Posts

Posted - 07/01/2012 :  15:12:01  Show Profile  Email Poster  Reply with Quote


Another Prothema from Sabah, Borneo, Crocker Range. 23 mm.
Antennae black and reddish.

Gerard
Scientific Collaborator

France
5279 Posts

Posted - 07/01/2012 :  15:54:34  Show Profile  Email Poster  Reply with Quote
Euryarthrum lambii Pascoe, 1866
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Gerard
Scientific Collaborator

France
5279 Posts

Posted - 07/12/2012 :  19:59:09  Show Profile  Email Poster  Reply with Quote

185.76 KB

Une autre photo de cette espece.

MALAISIE, Perak, VIII.1992,
taille 22 mm
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Francesco
Forum Admin

Luxembourg
9442 Posts

Posted - 07/12/2012 :  21:41:14  Show Profile  Email Poster  Visit Francesco's Homepage  Reply with Quote
Je ne crois pas qu'il s'agit de la même espèce: si tu comptes les articles noirs et rouges, ils sont différents.
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Xavier
Scientific Collaborator

France
12137 Posts

Posted - 09/03/2013 :  13:09:04  Show Profile  Email Poster  Reply with Quote
Je reviens sur ce post.
Il semble que l'espèce de Gérard est bien Euryarthrum lambii = Euryarthrum bifasciatum (Pascoe, 1857) - j'utilise ici la référence de Titan - en lisant la description de Pascoe (1866) page 524: http://wallace-online.org/content/frameset?pageseq=1&itemID=WSPEC128&viewtype=text

Hüdepohl (1988) reprend les même caractères:2 bandes blanches séparant également en 3 parties les élytres, doubles épines à l'apex, et 5 derniers segments des antennes orange.

L'espèce de Pierre serait donc bien une autre espèce, et il faudrait donc éditer le titre du post et séparer ces 2 espèces.

Edited by - Xavier on 09/03/2013 13:10:35
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dryobius
Member Rosenbergia

USA
1885 Posts

Posted - 09/03/2013 :  16:17:11  Show Profile  Email Poster  Reply with Quote
I have most of the Euryarthrum from Borneo, except the ones from Kalimantan described by Niisato.

A big problem is that the antennal color does not matter very much. Most of the species can have all black antennae or bi-colored antennae.

E. hastigerum Holzschuh and E. bifasciatum are very, very difficult for me to separate in hand, impossible by photograph. Both species are common.

The photograph is one of the those two species.
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