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 Cerambycidae Cerambycinae
 Compsocerini
 Argentina 1
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Pierre
Member Rosenbergia

Switzerland
1049 Posts

Posted - 14/06/2017 :  09:15:02  Show Profile  Email Poster  Reply with Quote



197.54 KB

Argentina, Salta Province, Chicoana. 15mm.

Golofa
Member Demonax

France
89 Posts

Posted - 15/06/2017 :  07:22:36  Show Profile  Email Poster  Visit Golofa's Homepage  Reply with Quote
Compsocerus violaceus (White, 1853) femelle.

Alain
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Pierre
Member Rosenbergia

Switzerland
1049 Posts

Posted - 15/06/2017 :  12:36:17  Show Profile  Email Poster  Reply with Quote
Compsocerus have antennal joints angulate apically with a short spine, starting from the 3rd. Here the joints are finer with a rounded apex and no spines or edges. In addition to this I only have seen C. violaceus with entirely orange antennae, not darkened like on my beetle.
Other observation: the elytral surface is much more smooth and brillant in C. violaceus than on my specimen. This beetle has dense fine punctures giving it a vermiculate look.
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