Fletcher & Nye (1982) stated:-
Included in a work rejected for nomenclatural purposes by the International Commission on Zoological Nomenclature, 1956, Opin. Decl. int. Commn zool. Nom. 14 (Opinion 417): 3.
Originally included species: Sphinx convolvuli Linnaeus, 1758; Sphinx ligustri Linnaeus, 1758; Sphinx pinastri Linnaeus, 1758.
Kitching & Cadiou (2000) include GARGANTUA Kirby, 1892; HERSE Agassiz, 1846; HERSE Oken, 1815; HYLOECUS Agassiz, 1846; HYLOECUS Kuznetsova, 1906; HYLOICUS Hübner, 1819; LETHIA Hübner, 1819; LINTNERIA Butler, 1876; MESOSPHINX Cockerell, 1920; and SPECTRUM Scopoli, 1777 as junior synonyms of SPHINX Linnaeus, 1758.
Learn more about Sphingidae in Wikipedia
Search the Biodiversity Heritage Library (BHL) for references to HERSE and included species.