D. H.  Janzen, Hallwachs, W., and Burns, J. M., ?A tropical horde of counterfeit predator eyes?, Proceeding of the National Academy of Sciences, vol. 107, no. 26, pp. 11659-11665, 2010.

F. V.  Ponce, Breinholt, J. W., Hossie, T., Barber, J. R., Janzen, D. H., Hallwachs, W., and Kawahara, A. Y., ?A molecular phylogeny of Eumorpha (Lepidoptera: Sphingidae) and the evolution of anti-predator larval eyespots?, Systematic Entomology, vol. 40, no. 2, pp. 401-408, 2015.