Pachysphinx

Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Atelocerata
Class: Hexapoda (including Insecta)
Infraclass: Neoptera
Subclass: Pterygota
Order: Lepidoptera
Superfamily: Bombycoidea
Family: Sphingidae
Subfamily: Smerinthinae
Tribe: Smerinthini
Genus: Pachysphinx