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Hexapoda
Member Nathrius

2 Posts

Posted - 19/10/2012 :  08:53:51  Show Profile  Email Poster  Visit Hexapoda's Homepage  Reply with Quote


Please help to ID that Prioninae from South Vietnam,
Thank you

Edited by - Capitaine on 29/01/2016 15:09:57

Hexapoda
Member Nathrius

2 Posts

Posted - 19/10/2012 :  10:14:10  Show Profile  Email Poster  Visit Hexapoda's Homepage  Reply with Quote
I think it is a new genus/species!
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Francesco
Forum Admin

Luxembourg
9398 Posts

Posted - 19/10/2012 :  22:02:17  Show Profile  Email Poster  Visit Francesco's Homepage  Reply with Quote
Hallo Hexapoda, welcome to the Forum!

The general habitus belongs to the Aegosomatini, but the prothorax is really strange...
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Pierre
Member Rosenbergia

Switzerland
1745 Posts

Posted - 14/11/2012 :  21:04:30  Show Profile  Email Poster  Reply with Quote


Let me come back with this post.
I hold this beetle in hands now, and it is really a particular thing.
The strange structure of the pronotum is due to wet hairs on Hexapoda's photo.
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Pierre
Member Rosenbergia

Switzerland
1745 Posts

Posted - 14/11/2012 :  21:06:10  Show Profile  Email Poster  Reply with Quote

Ventral side. All over pubescent with dense erect Hairs.
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Pierre
Member Rosenbergia

Switzerland
1745 Posts

Posted - 14/11/2012 :  21:07:09  Show Profile  Email Poster  Reply with Quote

A detail showing underside of head and thorax.
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Robert Perger
Member Nathrius

Germany
7 Posts

Posted - 30/12/2012 :  22:51:03  Show Profile  Email Poster  Reply with Quote
Francesco, congratulations to the new forum, looks nice!
The species illustrated here looks like Aegosoma annamensis. Fluffy hairs...In case somebody is interested in photos of further specimens and the description, please write me a PM.
Robert

Coleop-Terra
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Pierre
Member Rosenbergia

Switzerland
1745 Posts

Posted - 30/12/2012 :  23:40:24  Show Profile  Email Poster  Reply with Quote
Hi Robert,
yes, of course, if you have sources and materials for this item I am interested. Thank you!!
Happy new year,

Pierre
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Beckey
Member Rosalia

Japan
552 Posts

Posted - 31/12/2012 :  15:15:36  Show Profile  Email Poster  Reply with Quote
According to Komiya, Z. & A. Drumont, 2012. Description of a New Genus Close to Aegosoma (Coleoptera, Cerambycidae, Prioninae), (Revisional Studies of the Genus Megopis sensu Lameere, 1909-11), Elytra, Tokyo, New Series, 2(2): 181-187, it is Metaegosoma annamensis (Pic, 1930).
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Sergi
Member Rosenbergia

Spain
1740 Posts

Posted - 01/01/2013 :  11:07:29  Show Profile  Email Poster  Reply with Quote
Perhaps this is one pair of the same species??? From Vietnam also. Male from Kontum and female from Pia Oac.


315.83 KB
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Beckey
Member Rosalia

Japan
552 Posts

Posted - 01/01/2013 :  12:04:37  Show Profile  Email Poster  Reply with Quote
Sergi, I think so, too.
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vietnaminsect
Member Nathrius

Vietnam
5 Posts

Posted - 28/02/2013 :  15:18:38  Show Profile  Email Poster  Reply with Quote
quote:
Originally posted by Beckey

Sergi, I think so, too.


How about the species:
http://www.cerambycoidea.com/foto.asp?Id=102
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vietnaminsect
Member Nathrius

Vietnam
5 Posts

Posted - 28/02/2013 :  15:20:19  Show Profile  Email Poster  Reply with Quote
Can it be Aegosoma katsurai (Komiya, 2000) ????
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Cuong Do
Member Purpuricenus

Vietnam
112 Posts

Posted - 14/06/2013 :  16:55:11  Show Profile  Email Poster  Send Cuong Do a Yahoo! Message  Reply with Quote
The Pia Oac (Cao Bang) specimen should be Aegosoma katsurai with grooved (inner side) of third antenna segment,

Edited by - Cuong Do on 14/06/2013 16:55:39
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Capitaine
Scientific Collaborator

France
1833 Posts

Posted - 31/10/2015 :  15:02:16  Show Profile  Email Poster  Reply with Quote
Just a little up on this topic to confirm the taxonomie of the right specimen from Pia Oac.
It's definitly a female of Metaegosoma annamensis.



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As you can see on the picture above, the female of A. katsurai (left) features shorter antenae, the pronotal shape is clearly different and a longitudinal sutural costae is present on elytrae of annamensis (does'nt exist on katsurai elytrae).
Space between eyes is wider on annamensis.
In addition, I don't see any groove on third antenal segment of the right specimen.

Claude

Edited by - Capitaine on 31/10/2015 15:04:41
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Francesco
Forum Admin

Luxembourg
9398 Posts

Posted - 31/10/2015 :  15:18:58  Show Profile  Email Poster  Visit Francesco's Homepage  Reply with Quote
Thank you Claude.
However, the exact spelling for this species is Metaegosoma annamense (Pic, 1930).
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