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 Cerambycidae Prioninae
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 PNG: Osphryon delahayei
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Xaurus
Member Rosenbergia

Germany
1649 Posts

Posted - 20/08/2015 :  22:01:33  Show Profile  Email Poster  Reply with Quote


Any idea, for me an unknown Prioninae from Tamarau Mts. in W- Papua of about 40mm

Edited by - Gerard on 25/01/2021 21:51:40

Capitaine
Scientific Collaborator

France
1702 Posts

Posted - 21/08/2015 :  12:30:48  Show Profile  Email Poster  Reply with Quote
This specimen belongs certainly to Callipogonini tribe.
It is very close to genus Cacodacnus, but does not meet the species known in PNG (C. hebridanus / C. lameeri)

Claude
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Capitaine
Scientific Collaborator

France
1702 Posts

Posted - 21/08/2015 :  18:41:21  Show Profile  Email Poster  Reply with Quote
In fact, the elytral habitus with the bispined apex lets think about genus Osphryon (see link here after) but the pronotum shape doesn't match.
Unfortunately, I don't have specimens of all Osphyron species in coll. to compare...
http://prioninae.eu/taxonomy/osphryon/hirticollis

Claude
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Xaurus
Member Rosenbergia

Germany
1649 Posts

Posted - 23/08/2015 :  01:28:02  Show Profile  Email Poster  Reply with Quote
Thanks Claude, I don't know all the Osphryon sps too, but I don't believe my spm belongs to this genus.
Probably the genus Cacodacnus is right ?
The pronotum is also similar to Toxeutes maybe.
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Capitaine
Scientific Collaborator

France
1702 Posts

Posted - 23/08/2015 :  09:54:27  Show Profile  Email Poster  Reply with Quote
Yes, Toxeutes dentifrons could be found in this country, but genus Toxeutes shows generally a big elytral punctuation and evident costae.
I don't see very well on your picture if there are two or three spines on each side of the pronotum.

Claude
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Capitaine
Scientific Collaborator

France
1702 Posts

Posted - 24/08/2015 :  12:23:08  Show Profile  Email Poster  Reply with Quote
Have a look to this publication (fig 1 et 2).
not too far...

Claude
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Xaurus
Member Rosenbergia

Germany
1649 Posts

Posted - 26/08/2015 :  22:57:27  Show Profile  Email Poster  Reply with Quote
thanks Claude, really O. bispinosus looks a bit similar, but my spm has 3 spine at the pronotum sides, 2 small ones behind, the surface structures and the hairs are different, there are no costae on the elytra.
I don't believe it's an Osphryon because of appearance generally, Toxeutes maybe is a better choice.
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Norbert
Member Purpuricenus

France
280 Posts

Posted - 14/07/2019 :  17:11:14  Show Profile  Email Poster  Visit Norbert's Homepage  Reply with Quote
Bonsoir à tous,

Alors toujours pas statué sur ce Toxeutes/Osphryon ?
Si le pronotum rappelle Toxeutes, les élytres et l'apex des élytres Osphryon...

Merci pour la conclusion

Norbert

www.prioninae.org
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Capitaine
Scientific Collaborator

France
1702 Posts

Posted - 15/07/2019 :  18:46:45  Show Profile  Email Poster  Reply with Quote
Bonjour Norbert,
Pour moi, je reste sur ma conclusion d'un specimen d'Osphryon (peut-être new ?).
En effet, outre les constatations précédentes, ce specimen possède un pronotum armé de 3 épines latérales (peu visibles je l'accorde), un apex elytral échancré, des fémurs épineux et un apex du 1er article antennaire anguleux.
Or ni Cacodacnus ni Toxeutes ne présente cet ensemble de caractères (sauf les 3 épines sur certains Toxeutes).


320.05 KB

Claude
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Xaurus
Member Rosenbergia

Germany
1649 Posts

Posted - 15/07/2019 :  19:56:11  Show Profile  Email Poster  Reply with Quote
thanks for your comments, it remains a strange spms also Alain has seen this picture already !
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Norbert
Member Purpuricenus

France
280 Posts

Posted - 17/07/2019 :  08:49:18  Show Profile  Email Poster  Visit Norbert's Homepage  Reply with Quote
Bonjour

Peut être à transférer dans confidentiel non ?
Alain ton avis ?

Norbert

www.prioninae.org
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Norbert
Member Purpuricenus

France
280 Posts

Posted - 22/07/2019 :  09:44:38  Show Profile  Email Poster  Visit Norbert's Homepage  Reply with Quote
Bonjour,

Entièrement d'accord avec toi.
A mon avis, c'est une nouvelle espèce d'après la clef de Nylander, 1998.
J'ai demandé l'avis d'Alain.

Norbert

www.prioninae.org
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Xaurus
Member Rosenbergia

Germany
1649 Posts

Posted - 25/01/2021 :  18:34:59  Show Profile  Email Poster  Reply with Quote
recently described as: Osphryon delahayei Voitsekhovskii, 2020
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