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 Cerambycidae Lamiinae
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 Laos, Pseudomacrochenus spinicollis ♀ ?		  New Topic  Reply to Topic
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Xavier
Scientific Collaborator

France
12741 Posts
Posted - 06/08/2012 :  12:57:11  Show Profile  Email Poster  Reply with Quote

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28 mm. Houaphan, nord Laos. Ma seule piste est la photographie assez ressemblante page 438, fig 28.a de Gressitt (1970) : Pseudomacrochenus spinicollis Breuning, 1949.
Edited by - Xavier on 23/10/2026 19:13:18

Gerard
Scientific Collaborator

France
5575 Posts
Posted - 06/08/2012 :  18:43:31  Show Profile  Email Poster  Reply with Quote
C'est bien différent de ton autre espèce que tu as posté. Tu as des épines latéral sur le thorax et des élytres qui ce termine en point.
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Xavier
Scientific Collaborator

France
12741 Posts
Posted - 06/08/2012 :  19:43:15  Show Profile  Email Poster  Reply with Quote
Oui, je sais, et ces épines du thorax sont bien visibles sur la photo dans le Gressitt (1970).
Mais je n'ai pas d'autres pistes...
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Francesco
Forum Admin

Luxembourg
9763 Posts
Posted - 13/08/2012 :  13:01:01  Show Profile  Email Poster  Visit Francesco's Homepage  Reply with Quote
Oui, c'est la femelle. On ne peut pas se tromper.
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Xavier
Scientific Collaborator

France
12741 Posts
Posted - 13/08/2012 :  13:19:39  Show Profile  Email Poster  Reply with Quote
Merci pour la confirmation
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Xavier
Scientific Collaborator

France
12741 Posts
Posted - 19/12/2022 :  08:43:14  Show Profile  Email Poster  Reply with Quote

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Pseudomacrochenus spinicollis Breuning, 1949, fig.28a in Laos fauna(1970).
Elytra apex don't look the same than my specimen. Is it really the same species ?
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Xavier
Scientific Collaborator

France
12741 Posts
Posted - 23/10/2026 :  19:09:36  Show Profile  Email Poster  Reply with Quote
I've improved and modified the photographs. The apex of the elytra is still a challenge for me.

-The specimen from Myanmar posted here by Gérard looks different to me; my specimen lacks the white spots on the elytra.
-Is the specimen from Yunnan that Ben posted here a different species? If so, which one is the true P. spinicollis?


Edited by - Xavier on 23/10/2026 19:29:36
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