The subfamily SPHINGINAE are separated from other hawk moths on the technical grounds of having no sensory hairs on the inner surface of the first segment of the labial palps.
I catalogue five species in this subfamily from the Grenadines, as listed below - please click on any underlined species names to go to a colour illustration of the adult (and sometimes its genitalia) and brief information on the species.
The genus Agrius
The genus Cocytius
The genus Manduca
The genus Protambulyx