It is actually a diurnal moth, despite the club-like antennae. Castniidae, I think it is Synpalamides phalaris, sometimes also called Castnia argus.
http://www.pybio.org/en/1104/castniidae
http://www.theinsectcollector.com/acatalog/info_2369.html
Do you have another shot which shows the hindwings (more) open? Would help to get a confirmation.
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