Reference
Jean Haxaire, Rodolphe Rougerie, Carlos G. C. Mielke, Ian J. Kitching (2015): Manduca exiguus (Gehlen, 1942): a valid species from southern and southeastern Brazil, Uruguay and northeastern Argentina (Lepidoptera: Sphingidae) – Nachrichten des Entomologischen Vereins Apollo – 36: 49 - 54.