Cautethia carsusi is a species of moth in the family Sphingidae from the Dominican Republic.

It was described by Jean Haxaire and Pierre Schmit in 2001.

[1] It is the largest species in the genus Cautethia.

The wing length of males is 19.5 millimetres and for females - 20.5 millimetres.

This Dilophonotini-related article is a stub.