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 Cerambycidae Cerambycinae
 Callichromatini
 Laos, Polyzonus: siamense
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Dominique
Member Purpuricenus

France
387 Posts

Posted - 08/01/2016 :  10:26:42  Show Profile  Email Poster  Reply with Quote

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Celui-là, compte tenu du pronotum, j'en ferais bien un Polyzonus prasinus.

Data : Laos : Ban Saleuy 1600 m - 28.V-10.VI.2013
Size : 20 mm

Edited by - Gerard on 30/01/2016 12:58:01

Andre
Member Rosenbergia

Germany
1695 Posts

Posted - 14/01/2016 :  18:14:35  Show Profile  Email Poster  Reply with Quote
This spec. is Polyzonus (Chelidonium) siamense Podany, 1974.
In Bentanachs, 2012 as n. syn. of Polyzonus prasinus White, 1853.
P. prasinus is, after my experience, endemic to south India. P. siamense is widespread and common in China, Myanmar, Laos, Thailand and Vietnam.
Distinct morphological differences in length and width of the antennae and other things. The genital morphology is in this species very distinctive.
Another spec. of this group is known from Malaysia pen., might be new or described in Stenochroma.
A publication on this problem is in work.
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Dominique
Member Purpuricenus

France
387 Posts

Posted - 14/01/2016 :  20:34:01  Show Profile  Email Poster  Reply with Quote
Many thanks Andre.
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