''Drepanojana'' is a

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...

moth genus in the family

Eupterotidae Eupterotidae is a family of insects in the order Lepidoptera with more than 300 described species. Diversity The family consists of four subfamilies and the unplaced ''Ganissa group''. The subfamily Eupterotinae consists of about 11 genera, the ...

. Its single species, ''Drepanojana fasciata'', is found in

Ghana Ghana (; tw, Gaana, ee, Gana), officially the Republic of Ghana, is a country in West Africa. It abuts the Gulf of Guinea and the Atlantic Ocean to the south, sharing borders with Ivory Coast in the west, Burkina Faso in the north, and To ...

Nigeria Nigeria ( ), , ig, Naìjíríyà, yo, Nàìjíríà, pcm, Naijá , ff, Naajeeriya, kcg, Naijeriya officially the Federal Republic of Nigeria, is a country in West Africa. It is situated between the Sahel to the north and the Gulf o ...

and

Sierra Leone Sierra Leone,)]. officially the Republic of Sierra Leone, is a country on the southwest coast of West Africa. It is bordered by Liberia to the southeast and Guinea surrounds the northern half of the nation. Covering a total area of , Sierra ...

. Both the genus and species were described by

Per Olof Christopher Aurivillius Per Olof Christopher Aurivillius (15 January 1843 – 20 July 1928) was a Swedish entomologist. Life Christopher Aurivillius was born at Forsa, Sweden. He was the director of the Natural History Museum in Stockholm and he specialised in Coleop ...

in 1893. The

wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan of ...

is about 40 mm. Both wings are uniform dark umber brown. The forewings, at the costa near the apex in the areas seven and eight, with a creamy spot and with a similar small submarginal dot in the sixth area.Aurivillius, C. (1915)
"New species of African Lasiocampidae and Strichnopterygidae from English collections"
''Arkiv för Zoologi''. 9 (11): 9. via – Biodiversity Heritage Library

Former species

* ''Drepanojana citheronia'' Bryk, 1944 is now '' Eupterote citheronia'' (Bryk, 1944).

References

Janinae Moths described in 1893 Monotypic moth genera {{Bombycoidea-stub