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Pierre Posted - 14/06/2017 : 09:15:02



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Argentina, Salta Province, Chicoana. 15mm.
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Pierre Posted - 15/06/2017 : 12:36:17
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.
Golofa Posted - 15/06/2017 : 07:22:36
Compsocerus violaceus (White, 1853) femelle.

Alain

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