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Opisthoxia metargyria
Geometridae, Ennominae, Opisthoxia sp., close to Opisthoxia saturniaria or Opisthoxia metargyria, but there are too many neotropical Opisthoxia sp. around, so I suggest you go with Opisthoxia sp. as scientific name. You probably need the native specimen or DNA to get the definite species.
http://www.neotropicalmoths.com/Geometri...
http://www.boldsystems.org/index.php/Tax...
Looks a lot like my spotting,
http://www.projectnoah.org/spottings/157...
Perhaps the same family?