A worldwide community photographing and learning about wildlife
Heliconius sara theudela.
Vertiente Pacífica de Costa Rica y Panamá.
Very similar to Heliconius pachinus, indeed, but that one would not have the white patches on the hindwing AT the margin, but in some distance of the margin, which is completely black in Heliconius pachinus.
Pachinus: http://butterfliesofamerica.com/imagehtm...
Sara: http://butterfliesofamerica.com/imagehtm...
So yours is Heliconius sara theudela.
http://butterfliesofamerica.com/heliconi...