Synonymized with Protoparce corallina as a subspecies by Clark, 1929, Proc. New Engl. zool. Club 11: 7; with which Gehlen, 1930, Int. ent. Z. 24: 219, agreed. Reinstated as a species by Gehlen, 1933, Ent. Z. 47: 116. Transferred to Manduca by Bridges, 1993, Cat. Fam. Gen. Spec. Sphingidae of the World: VIII.15.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith
