What is Acanthosphinx?
{{Speciesbox | image = Acanthosphinx guessfeldti.jpg | image_caption = ''Acanthosphinx guessfeldti'' | parent_authority = [[Per Olof Christopher Aurivillius|Aurivillius]], 1891 | display_parents = 2 | taxon = Acanthosphinx guessfeldti | authority = ([[Hermann Dewitz|Dewitz]], 1879)<ref>{{cite web|url=http://www.cate-sphingidae.org/taxonomy/Acanthosphinx/guessfeldti.html |title=CATE Creating a Taxonomic eScience - Sphingidae |publisher=Cate-sphingidae.org |access-date=2011-11-01 }}{{dead link|date=November 2017|fix-attempted=yes}}</ref> | range_map = | synonyms = *''Ambulyx guessfeldti'' <small>Dewitz, 1879</small> *''Acanthosphinx guessfeldti gigas'' <small>Aurivillius, 1891</small> *''Acanthosphinx guessfeldti eothina'' <small>Tams, 1930</small> }} '''''Acanthosphinx''''' is a monotypic(meaning it only has one subclass) [[genus]] of [[moth]]. It is in the family [[Sphingidae]]. It was erected by Per Olof Christopher Aurivillius in 1891. It has one species, which is '''''Acanthosphinx guessfeldti''''', the '''widow sphinx'''. It was described by Hermann Dewitz in 1879.<ref>{{cite web|last=Savela|first=Markku|title=''Acanthosphinx'' Aurivillius, 1891|url=http://ftp.funet.fi/pub/sci/bio/life/insecta/lepidoptera/ditrysia/bombycoidea/sphingidae/smerinthinae/acanthosphinx/|access-date=November 15, 2017|website=Lepidoptera and Some Other Life Forms|archive-date=November 15, 2017|archive-url=https://web.archive.org/web/20171115143411/http://ftp.funet.fi/pub/sci/bio/life/insecta/lepidoptera/ditrysia/bombycoidea/sphingidae/smerinthinae/acanthosphinx/|url-status=live}}</ref> It is seen in [[Forest|forests]] in [[Sierra Leone]] to the [[Congo Basin|Congo]], [[Angola]], [[Zambia]], [[Malawi]], [[Tanzania]] and [[Uganda]].<ref>{{cite journal|last=Carcasson|first=R. H.|author-link=Robert Herbert Carcasson|date=1967|title=Revised Catalogue of the African Sphingidae (Lepidoptera) with Descriptions of the East African species|url=https://www.biodiversitylibrary.org/page/51111621#page/279/mode/1up|journal=Journal of the East A