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 Trachyderini
 Trachyderes Ecuador: leptomerus batesi
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Pierre
Member Rosenbergia

Switzerland
1755 Posts

Posted - 29/05/2011 :  09:03:11  Show Profile  Email Poster  Reply with Quote



I would say: Trachyderes leptomerus.
As they come from Ecuador, could they belong to the ssp. batesi?
25/29 mm

Edited by - Gerard on 30/01/2016 11:51:04

Francesco
Forum Admin

Luxembourg
9431 Posts

Posted - 29/05/2011 :  18:31:44  Show Profile  Email Poster  Visit Francesco's Homepage  Reply with Quote

Possibly.
In order to exclude some forms of succintus, it is necessary to check if the prosternal furrow is pubescent or not.
In the succintus-females it is completely smooth.
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Pierre
Member Rosenbergia

Switzerland
1755 Posts

Posted - 29/05/2011 :  19:40:53  Show Profile  Email Poster  Reply with Quote
All depends what you call smooth or pubescent... but here I see sparse long setae on the whole underside of the pronotum. Also in this furrow.
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Francesco
Forum Admin

Luxembourg
9431 Posts

Posted - 29/05/2011 :  20:32:14  Show Profile  Email Poster  Visit Francesco's Homepage  Reply with Quote
OK; also pubescent.
The alternative is pacificus Hüdepohl or leptomerus Aurivillius, according to the shape of the third antennomere: normal (pacificus) or thickened at the apex (leptomerus).
If you confront the images of Bezark's site is leptomerus. In this case, Trachyderes leptomerus batesi Martins, 1975... as you already knew.
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