Syssphinx molina
Rubens...o Bayucca identified one of my spotting as a female of yours spotting ... Thanks Bayucca !!!
http://www.projectnoah.org/spottings/100...
I took the cheap reference ;-)...
Yours is the male Syssphinx molina, Saturniidae, Ceratocampinae.
Lat: -23.16, Long: -45.80
Spotted on Apr 3, 2012
Submitted on Apr 3, 2012