''Rothia nigrescens'' is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of w ...

of the family

Noctuidae The Noctuidae, commonly known as owlet moths, cutworms or armyworms, are a family of moths. They are considered the most controversial family in the superfamily Noctuoidea because many of the clades are constantly changing, along with the other f ...

first described by

Walter Rothschild Lionel Walter Rothschild, 2nd Baron Rothschild, Baron de Rothschild, (8 February 1868 – 27 August 1937) was a British banker, politician, zoologist and soldier, who was a member of the Rothschild family. As a Zionist leader, he was present ...

in 1896. This moth occurs in western

Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...

. This species usually has a wingspan of 27 mm, and the forewings are black, shaped, and they are marked similar as ''

Rothia simyra ''Rothia'' may refer to * ''Rothia'' (plant) Pers. 1807, a genus of legumes in the family Fabaceae * ''Rothia'' Schreb. 1791, an illegitimate synonym of the aster genus, ''Andryala'' * ''Rothia'' Borkh. 1792, an illegitimate synonym of the grass ge ...

'' with one or two creamy dots in the cells, while the hindwings are black and the fringe spotted with white. Palpi, head, thorax and upperside of abdomen are black, underside of body and legs are orange.Rothschild & Jordan. ''Novitates Zoologicae''. 3 (1): 45.
/ref>

References

Agaristinae Moths described in 1896 Moths of Madagascar Moths of Africa {{Agaristinae-stub