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 Paraguay: Ctenoscelis coeus m
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Vitali
Member Rosalia

Estonia
991 Posts

Posted - 04/11/2021 :  22:42:57  Show Profile  Email Poster  Reply with Quote


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I wonder if this is a female of Ctenoscelis coeus (Perty, 1832) or C. acanthopus (Germar, 1824)?

Edited by - Capitaine on 08/11/2021 19:00:35

Francesco
Forum Admin

Luxembourg
9378 Posts

Posted - 05/11/2021 :  12:39:17  Show Profile  Email Poster  Visit Francesco's Homepage  Reply with Quote
Having a punctured pronotal disc, it should be acanthopus...
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Vitali
Member Rosalia

Estonia
991 Posts

Posted - 05/11/2021 :  23:01:00  Show Profile  Email Poster  Reply with Quote
OK, thank you, Francesco. To me, the punctation in the center looked confusingly fine, leaving glabrous areas on both sides of the central line.
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Capitaine
Scientific Collaborator

France
1833 Posts

Posted - 08/11/2021 :  18:59:19  Show Profile  Email Poster  Reply with Quote
This is a male of Ctenoscelis coeus, the female has a narrower pronotum and a thinner 3rd antennal article. The pronotum of acanthopus is much more transverse. Here after a pair of coeus.



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Claude
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Vitali
Member Rosalia

Estonia
991 Posts

Posted - 09/11/2021 :  11:44:52  Show Profile  Email Poster  Reply with Quote
Thank you, Claude. Indeed, a male of a moderate size, 69 mm.
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