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 Malaysia: Euryarthrum hastigerum ?
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Sergi
Member Rosenbergia

Spain
1467 Posts

Posted - 29/01/2015 :  08:56:36  Show Profile  Email Poster  Reply with Quote


From Malaysia, Perak, Tapah Hills.
Size: 22 mm

Edited by - Xavier on 03/05/2016 18:00:44

Capitaine
Scientific Collaborator

France
1700 Posts

Posted - 18/04/2015 :  10:36:36  Show Profile  Email Poster  Reply with Quote
old post, sorry : Euryarthrum kalimantanense (Yoshitake & Niisato,2009)

Claude
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Xavier
Scientific Collaborator

France
11004 Posts

Posted - 03/05/2016 :  17:59:52  Show Profile  Email Poster  Reply with Quote
With last five antennomera orange, comparing to pictures in YOSHITAKE & NIISATO , 2009. A Redescription of Euryarthrum hastigerum Holzschuh (Coleoptera, Cerambycidae), with Description of its New Relative from Kalimantan, Indonesia. Elytra, Tokyo 37 (1): 155-163, 11 figs. I think it is rather Euryarthrum hastigerum Holzschuh, 2008 .

Edited by - Xavier on 03/05/2016 18:00:08
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cerambyphil
Member Rosalia

France
643 Posts

Posted - 01/05/2021 :  17:57:07  Show Profile  Email Poster  Reply with Quote
Today I well studied the complex E. hastigerum, E. kalimantanense and E. bifasciatum.

My conclusion :

Firstly I have the same opinion as Carolus Holzschuh about the validity of the species kalimantanense. It is very certainly the same species as hastigerum.
Secondly, to separate the remaining two species you must looking at first the sixth antennnomere. If it is widened regularly from base to apex, then it is bifasciatum. Male has got a long projection at the apex of the median tibiae (it is your specimen). Last antennomeres can be black or testaceous. If the sixth antennomere is widened only from the basal third to apex, then it is hastigerum. Female possess a long sutural projection at apex.
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