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 Cerambycidae Lamiinae
 Saperdini
 Malaysia: Glenea flavimembris & G. sp.
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orionmystery
Member Purpuricenus

Malaysia
136 Posts

Posted - 17/08/2012 :  14:58:20  Show Profile  Email Poster  Visit orionmystery's Homepage  Reply with Quote



Hi Francesco, I found this one in a highland in Pahang, Malaysia.
Body length about 15mm.
I have a top view too. Will upload next.
Thanks
Kurt

Edited by - Xavier on 18/12/2017 16:51:09

orionmystery
Member Purpuricenus

Malaysia
136 Posts

Posted - 17/08/2012 :  14:59:21  Show Profile  Email Poster  Visit orionmystery's Homepage  Reply with Quote

Top view.

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Francesco
Forum Admin

Luxembourg
8222 Posts

Posted - 17/08/2012 :  15:22:45  Show Profile  Email Poster  Visit Francesco's Homepage  Reply with Quote
A Glenea-species, very similar to G. t-notata Gahan, 1889.
I did not know it reaches Malacca.
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orionmystery
Member Purpuricenus

Malaysia
136 Posts

Posted - 17/08/2012 :  15:30:24  Show Profile  Email Poster  Visit orionmystery's Homepage  Reply with Quote
Thanks, Francesco.
Not Malacca but Pahang. See map :)
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orionmystery
Member Purpuricenus

Malaysia
136 Posts

Posted - 17/08/2012 :  16:40:01  Show Profile  Email Poster  Visit orionmystery's Homepage  Reply with Quote
Oh maybe you meant Malaysia, not Malacca.
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Francesco
Forum Admin

Luxembourg
8222 Posts

Posted - 17/08/2012 :  16:50:27  Show Profile  Email Poster  Visit Francesco's Homepage  Reply with Quote
I meant Malacca according tom the old sense (= Malayan peninsula) in opposition to Borneo.
However, this species seems new for Malaysia.
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orionmystery
Member Purpuricenus

Malaysia
136 Posts

Posted - 18/08/2012 :  02:18:06  Show Profile  Email Poster  Visit orionmystery's Homepage  Reply with Quote
Yes, Malacca was where it all began, but afaik, there's no references of it representing Malaysia though. Whenever we hear Malacca, we always refer to the State of Malacca (Melaka) :)

Oh by the way, this beetle was in that pose for more than ten minutes, on the underside of a leaf. Any idea why?
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Francesco
Forum Admin

Luxembourg
8222 Posts

Posted - 18/08/2012 :  06:56:08  Show Profile  Email Poster  Visit Francesco's Homepage  Reply with Quote

Another interesting topic!
Some time ago, I received from Mr. Ippei Murata the picture of this Glenea relicta Pascoe, 1868 from Hokkaido.
I never noticed this fact, the body position is the same. No idea.
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dryobius
Member Rosenbergia

USA
1402 Posts

Posted - 04/06/2017 :  13:28:27  Show Profile  Email Poster  Reply with Quote
Perhaps the species above is Glenea sulphurea Thomson, 1865.

It is a close match to this specimen from Sabah.






377.86 KB
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Xavier
Scientific Collaborator

France
9069 Posts

Posted - 04/06/2017 :  15:36:08  Show Profile  Email Poster  Reply with Quote
G. t-notata Gahan, 1889 and specimens above have different antenna .

44.71 KB
...but Thomson said nothing about colour of antenna.

Edited by - Xavier on 04/06/2017 15:38:47
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Capitaine
Scientific Collaborator

France
1344 Posts

Posted - 04/06/2017 :  16:02:42  Show Profile  Email Poster  Reply with Quote
About the position of the above insects, I think that is a sexual attraction position by pheromones spreading.

Claude
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Xavier
Scientific Collaborator

France
9069 Posts

Posted - 18/12/2017 :  16:46:53  Show Profile  Email Poster  Reply with Quote
At least 4 species have a very similar pattern (but maybe more ! ):

- Glenea citrinopubens Pic, 1926 Vietnam, China(Yunnan), Laos
- Glenea flavimembris Pic, 1943 Java
- Glenea sulphurea Thomson, 1865 Cambodia
- Glenea t-notata Gahan, 1889 India(north-east)

I don't know if some of them are synonymous, but I think that all this group should be revised.

Orionmystery's specimen is probably Glenea flavimembris Pic, 1943, but Dan species fits with none of the four species listed above.

Edited by - Xavier on 18/12/2017 17:06:11
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dryobius
Member Rosenbergia

USA
1402 Posts

Posted - 18/12/2017 :  17:54:42  Show Profile  Email Poster  Reply with Quote
I have a photo of two specimens (from peninsular Malaysia) from the BMNH identified by M. Lin (as G. sulphurea), which shows that there is a little variability in the black pattern on the pronotum and the elytra. My specimen from Borneo fits into that pattern of variability. The specimen posted by orionmystery is also G. sulphurea! Are we at the point where every small variation in the pattern on a beetle deserves a different name ( this question is for Pic and Breuning, especially ) . In the past, a high percentage of species were described from one example, and the author of that species usually did not have an opportunity to examine similar species. This is just my opinion.

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Xavier
Scientific Collaborator

France
9069 Posts

Posted - 18/12/2017 :  18:23:49  Show Profile  Email Poster  Reply with Quote
I give my opinion just by comparing with the HT picture of Glenea flavimembris Pic, 1943 from MNHN; and it is a species from Java. It is more logical that it should be this one, rather than the one (G. sulphurea) described from Cambodia.

But, as I wrote above, I do not know which sp. are synonyms or not.

Edited by - Xavier on 18/12/2017 18:25:58
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Gerard
Scientific Collaborator

France
4087 Posts

Posted - 19/12/2017 :  18:42:14  Show Profile  Email Poster  Reply with Quote
L'holotype de Glenea flavimembris Pic, 1943 est ici

Edited by - Gerard on 19/12/2017 19:03:11
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dryobius
Member Rosenbergia

USA
1402 Posts

Posted - 19/12/2017 :  19:56:45  Show Profile  Email Poster  Reply with Quote
Thank you Gerard. For me, these species are the same.

Compare the distribution and variability to a species such as Glenea relicta!!
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