Dunford, James C., and Kathryn A. Barbara. “Tetrio Sphinx, Giant Gray Sphinx, Frangipani Hornworm, Pseudosphinx Tetrio (Linnaeus) (Insecta: Lepidoptera: Sphingidae): EENY344 IN621, 3 2005”. EDIS, vol. 2005, no. 5, June 2005, doi:10.32473/edis-in621-2005.