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 Cerambycidae Cerambycinae
 Compsocerini
 Peru, Aglaoschema: cyaneum
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Max
Member Rosalia

Russia
713 Posts

Posted - 09/09/2014 :  14:53:49  Show Profile  Email Poster  Reply with Quote

315.78 KB

Neotropical toy
Female of Aglaoschema, maybe A. albicorne
Peru, Loreto dept., Iquitos env.; 14 mm

Pierre
Member Rosenbergia

Switzerland
1745 Posts

Posted - 12/09/2014 :  21:25:35  Show Profile  Email Poster  Reply with Quote
Among the species with such antennae, there are not many possibilities. I would say, Aglaoschema cyaneum Pascoe.
See if on the ventral side mesosternum parts are red (cyaneum) or dark (albicorne).
The head of cyaneum usually shows green-blue colour. Orthoschema bicoloricorne Fuchs, 1959, has been described on specimen with red head and scape; this taxon is now synonymized with cyaneum by Monné & Giesbert (1992) because of evident intraspecific variations.
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Max
Member Rosalia

Russia
713 Posts

Posted - 15/09/2014 :  18:17:29  Show Profile  Email Poster  Reply with Quote
Thank You Pierre for good explanation!
However hard to say, mesosternum is reddish generally but it`s some darkened, so much more then the prosternum.
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Pierre
Member Rosenbergia

Switzerland
1745 Posts

Posted - 16/09/2014 :  11:45:43  Show Profile  Email Poster  Reply with Quote
Red or reddish... anyway, in this case you have cynaeum, for sure.
If you are interested, you can download on the net the revision on Aglaoschema by Napp, 2007 (PDF)/ Revista Brasileira de Entomologia

There is also another paper in the library, 2008, with new descriptions, but they do not concern the items with bicoloured antennae.
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Max
Member Rosalia

Russia
713 Posts

Posted - 16/09/2014 :  20:25:09  Show Profile  Email Poster  Reply with Quote
Interesting. Thanks a lot, Pierre.
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