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 Cerambycidae Cerambycinae
 Phoracanthini
 Mexico, Atylostagma: politum
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Pierre
Member Rosenbergia

Switzerland
1621 Posts

Posted - 09/01/2011 :  21:11:55  Show Profile  Email Poster  Reply with Quote


These three Atylostagma come from Mexico (left Oaxaca, right Jalisco). 20mm.
Two species are reported for this genus: polita and glabra.
How can I identify them?
Could it be possible that the beetles on this photo belong to both of them?

Francesco
Forum Admin

Luxembourg
9202 Posts

Posted - 10/01/2011 :  09:50:45  Show Profile  Email Poster  Visit Francesco's Homepage  Reply with Quote
The difference is small but very easy to be detected.
Atylostagma glabrum (Atylostagma has gender neuter) has spines at both sides of the antennal joints, while politum has spines only at the inner side.
Here the original description of the former species.
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Pierre
Member Rosenbergia

Switzerland
1621 Posts

Posted - 10/01/2011 :  17:38:51  Show Profile  Email Poster  Reply with Quote
In this case it's simple. All have distinct spines on both sides. So we must have Atylostagma glabrum.
Thank you, Francesco!
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Francesco
Forum Admin

Luxembourg
9202 Posts

Posted - 06/10/2022 :  10:56:27  Show Profile  Email Poster  Visit Francesco's Homepage  Reply with Quote
Selon le dernier article de Bezark & Lingafelter (2022), il n' y a qu'un seul Atylostagma: politum White.
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Pierre
Member Rosenbergia

Switzerland
1621 Posts

Posted - 06/10/2022 :  11:29:00  Show Profile  Email Poster  Reply with Quote
Tu l'as, cet article? Cela m'intéresse!
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Francesco
Forum Admin

Luxembourg
9202 Posts

Posted - 06/10/2022 :  18:23:18  Show Profile  Email Poster  Visit Francesco's Homepage  Reply with Quote
Envoyé.
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Pierre
Member Rosenbergia

Switzerland
1621 Posts

Posted - 06/10/2022 :  20:15:23  Show Profile  Email Poster  Reply with Quote
Merci beaucoup. Oui, cet ajustement nomenclatural fait sens, en effet.
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