Dos nuevos registros de Sphingidae (Lepidoptera: Bombycoidea) de Salta, con nuevos aportes de distribución de nueve especies en la Argentina

Two species of Sphingidae are recorded from Argentina for the first time:  Nyceryx hyposticta (R. Felder, [1874]) and Perigonia stulta Herrich-Schaffer, [1854]. Both species were collected in the north of Salta province. New distributional records from Argentina for other nine species are provided, and a previous identification error is clarified.