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 Solomon Islands: Trirachys externus
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Pierre
Member Rosenbergia

Switzerland
1049 Posts

Posted - 10/01/2010 :  22:19:48  Show Profile  Email Poster  Reply with Quote


Solomon Islands (no further details available).
40 mm.

Edited by - Gerard on 30/01/2016 12:00:56

Francesco
Forum Admin

Luxembourg
7705 Posts

Posted - 11/01/2010 :  14:36:53  Show Profile  Email Poster  Visit Francesco's Homepage  Reply with Quote


Aeolesthes externa (Pascoe, 1869), not verified from the Solomons yet.

This species has been only recently recognised. In fact, Pascoe described it together with A. textor; nevertheless, Gahan (1890) erroneously synonymised them.
Thank to the collaboration of Carlo Arrigo Casadio, who checked the types preserved in London, I could verify that the former species has a backward bowed intergenal furrow (such as A. induta, Fig. 2), while the latter has a right one (such as A. holosericea, Fig. 1). Other differences are in the structure of the pronotum.
Such paper has been published in Entomapeiron N.S. 1 (3). The PDF can be asked here.
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Pierre
Member Rosenbergia

Switzerland
1049 Posts

Posted - 12/01/2010 :  19:03:10  Show Profile  Email Poster  Reply with Quote
Here also the configuration corresponds to fig.2.
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Francesco
Forum Admin

Luxembourg
7705 Posts

Posted - 27/08/2017 :  22:52:49  Show Profile  Email Poster  Visit Francesco's Homepage  Reply with Quote
Trirachys externus (Pascoe, 1869) is the new combination for this species.
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