Banded Orange Heliconian (Dryadula phaetusa) #1 (I.D. courtesy of Tom Whelan)
Just an incredibly beautiful butterfly, with exquisite coloration. Thanks to TomW for the i.d. from an image posted at NPN. Canon 100-400 at 400 mm, 20 mm extension, ISO 400, f/16, 1/200 second (manual mode), 550EX Flash EV +2/3, monopod with Arca-Swiss Ballhead and Wimberley Sidekick.