''Acanthosphinx'' is a monotypic moth genus in the family Sphingidae erected by Per Olof Christopher Aurivillius in 1891. Its only species, ''Acanthosphinx guessfeldti'', the widow sphinx, was first described by

Hermann Dewitz Hermann Dewitz (5 November 1848, Obelischken, Insterburg – 15 May 1890 Berlin) was a German entomologist who specialized in Lepidoptera. He was "Custos" or curator of the Department of Entomology at the Museum für Naturkunde in Berlin. Dewit ...

in 1879. It is known from forests from Sierra Leone to the

Congo Congo or The Congo may refer to either of two countries that border the Congo River in central Africa: * Democratic Republic of the Congo, the larger country to the southeast, capital Kinshasa, formerly known as Zaire, sometimes referred to a ...

, Angola, Zambia, Malawi, Tanzania and Uganda. The length of each forewing is 57–70 mm. The larvae feed on '' Bridelia micrantha''.

References

Smerinthini Monotypic moth genera Moths described in 1879 Moths of Africa Lepidoptera of Cameroon Lepidoptera of Uganda Lepidoptera of Malawi Lepidoptera of Tanzania Lepidoptera of Angola Insects of the Central African Republic Lepidoptera of West Africa Lepidoptera of Zambia Taxa named by Per Olof Christopher Aurivillius {{Smerinthini-stub