Greenstreak

Forgot one: Amyntor:
http://butterfliesofamerica.com/cyanophr...

Tricky group! There are several in your area:
Tropical Greenstreak, Herodotus:
http://www.neotropicalbutterflies.com/Si...
http://butterfliesofamerica.com/cyanophr...
Remus:
http://www.reservacostanera.com.ar/la-fa...
Acaste:
http://www.mundobutterfly.com.ar/Imagene...
Argentinensis:
http://www.butterfliesofamerica.com/L/cy...
I really can't tell you which one it is actually.

Tx Bayucca.

Thank you, Martin.

It's clearly a lycaenid. They differ markedly on the verso side, so I have no idea of the generic name. Green camo is quite unusual. Nice shot asergio.