Type(s) "Jamaica" [United States: New York] [coll. Fothergill]. The type locality is erroneous. Several New York species of Fothergill's collection were said by Drury to be from Jamaica (e.g. Eumorpha achemon), while others that occur in Jamaica were said to be from New York (e.g., Manduca brontes) (Rothschild & Jordan, 1903, Novit. zool. 9 (suppl.): 327).
Proposed as a subspecies of Sphinx ocellata. Synonymized with Smerinthus geminatus by Walker, 1856, List Specimens lepid. Insects Colln Br. Mus. 8: 246. Reinstated as a species and transferred to Smerinthus by Grote & Robinson, 1865, Proc. ent. Soc. Philad. 5: 160, 185. Synonymized with Paonias myops by Butler, 1876, Trans. zool. Soc. Lond. 9: 591. Reinstated as a species by Kirby, 1892, Synonymic Cat. Lepid. Heterocera 1: 712.
This name is also applicable to the form in which the first and second blue spots of the eyespot are absent, with only the third spot remaining.