Image taken from: Godman, Frederick DuCane, and Osbert Salvin ([1889-91]) "Biologia Centrali-Americana. Insecta. Lepidoptera-Rhopalocera." London, Dulau & Co., Bernard Quaritch. v. 2, p. 391, pl. 85, fig. 31 (♂ D).

Image courtesy Missouri Botanical Garden. http://www.botanicus.org/