Manduca rustica harterti (Rothschild, 1894)

Synonymized with Protoparce rustica as a subspecies by Rothschild & Jordan, 1903, Novit. zool.9 (suppl.): 85. Considered by Clark, 1928, Proc. New Engl. zool. Club10: 34, possibly to be only a dry season form of P. r. rustica.