Find the word definition

Wikipedia
Acanthosphinx

Acanthosphinx is a genus of moths in the Sphingidae family, containing one species Acanthosphinx guessfeldti. It is known from forests from Sierra Leone to the Congo, Angola, Zambia, Malawi, Tanzania and Uganda.

The length of the forewings is 57–70 mm.

The larvae feed on Bridelia micrantha.