Image from: Godman, Frederick DuCane, and Osbert Salvin 1897. Biologia Centrali-Americana. Insecta. Lepidoptera-Rhopalocera. London, Dulau & Co., Bernard Quaritch. 2: 441-448 (Sep), pl. 90 (Nov) f. 16
Image courtesy Missouri Botanical Garden. http://www.botanicus.org/