Genus Orthosia Ochsenheimer, 1816

Orthosia Ochsenheimer, 1816, Schmett. Eur. 4: 79. Type species: Noctua instabilis [Denis & Schiffermüller], 1775 (= Phalaena incerta Hufnagel, 1766). L.t.: Austria, Vienna district.

[Synonymy: Cuphanoa Hübner, 1816; Orthoa Billberg, 1820; Taeniocampa Guenée, 1839; Cyphonoa Agassiz, 1846, emend.; Microrthosia Berio, 1980 .]