Image from: Druce, Herbert 1896-1900. [Genera Acentrocneme and Megathymus]. In: Godman, F. D. & O. Salvin (Eds.), Biologia Centrali-Americana. Insecta Lepidoptera-Heterocera. London, Dulau & Co., Bernard Quaritch. 2:319-320 (October 1896); 3: pl. 69 (October 1896). v. 2, p. 319, pl. 69, f. 6
Image courtesy Missouri Botanical Garden. http://www.botanicus.org/