Proposed as a subspecies of Euryglottis aper. Raised to species status by Rothschild & Jordan, 1916, Novit. Zool. 23: 252. Synonymized with Euryglottis aper by d'Abrera, 1987, Sphingidae Mundi: 34. Reinstated as a species by Carcasson & Heppner, 1996, Atlas Neotrop. Lepid. 4B: 52.
DNA barcoding suggests that Euryglottis guttiventris may be at least three species.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith
