The death’s-head hawkmoth, Acherontia atropos is one of 3 species in the genus Acherontia
The other species are:
Both these species are found in Asia, although Acherontia atropos and Acherontia styx overlap in the Arabian Peninsula and Middle East.
The death’s-head hawkmoths belong to the tribe Acherontiini, which includes another of the UK’s largest moths, the convolvulus hawkmoth (Agrius convolvuli).
For more details on the phylogenetic relationships of Acherontia, see Kitching (2003).