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 Cerambycidae Lamiinae
 Tmesisternini
 Indonesia, Tmesisternus: sexmaculatus
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Bennyboymothman
Member Rosalia

United Kingdom
772 Posts

Posted - 09/11/2017 :  19:50:43  Show Profile  Email Poster  Visit Bennyboymothman's Homepage  Send Bennyboymothman a Yahoo! Message  Reply with Quote

268.27 KB

Similar to Tmesisternus but I cannot place, something near?

Thanks.

Data: 29-07-11 - Asei Village - Yapen Island - West Papua - Indonesia - 18 mm

cerambyphil
Member Purpuricenus

France
410 Posts

Posted - 09/11/2017 :  20:19:49  Show Profile  Email Poster  Reply with Quote
It seems to be Tmesisternus laensis Gressitt, 1984 :
https://www.papua-insects.nl/insect%20orders/Coleoptera/Cerambycidae/Tmesisternus%20photos/Tmesisternus%20laensis%20%5BPNG,%20Busu%20River%5D.jpg
But a higher definition photograph would be welcome for this difficult group to identify !

Edited by - cerambyphil on 09/11/2017 20:20:46
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Xaurus
Member Rosenbergia

Germany
1041 Posts

Posted - 10/11/2017 :  01:04:00  Show Profile  Email Poster  Reply with Quote
male or female ?
there is still a bit confusion in this part of the jaspideus-group, I think it's T. sexmaculatus Breuning & deJong, 1941 described from W-Papua.
T. laensis is very similar, the male has a different pronotum as the posted spm
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Bennyboymothman
Member Rosalia

United Kingdom
772 Posts

Posted - 10/11/2017 :  08:38:00  Show Profile  Email Poster  Visit Bennyboymothman's Homepage  Send Bennyboymothman a Yahoo! Message  Reply with Quote
It does look very much like laensis on a second look...
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cerambyphil
Member Purpuricenus

France
410 Posts

Posted - 10/11/2017 :  10:09:12  Show Profile  Email Poster  Reply with Quote
After checking, I think Andreas is right.
T. laensis has a broad dull oblique band behind the base of the elytra. This band bear an oval ochreous spot near middle at the end of basal 1/4 and a similar smaller spot on side just anterior to middle of the elytra.

that is to say that the light spots are embedded in a dark brown background, while for T. sexmaculatus, the 3 discal and lateral spots are bordered with black, as for you specimen.
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Bennyboymothman
Member Rosalia

United Kingdom
772 Posts

Posted - 10/11/2017 :  14:35:09  Show Profile  Email Poster  Visit Bennyboymothman's Homepage  Send Bennyboymothman a Yahoo! Message  Reply with Quote
Thank you vety much for your expertise!
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