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Epimecis cf. subroraria
Geometridae, Ennominae, Epimecis sp. and looks like being Epimecis subroraria. I am not sure if this one is reported from Brazil, so, please, do a little re-search for Brazil...
I think the links are quite a nice match anyway ;-)
http://www.boldsystems.org/index.php/Tax...
http://www.discoverlife.org/mp/20p?see=I...