Orthosia is a genus of moths of the family Noctuidae erected by Ferdinand Ochsenheimer in 1816. Species Former species Orthosia johnstoni McDunnough, 1943 is now a synonym of Perigonica pectinata (Smith, [1888]) References Hreblay, M. & Plante, J. (1994). Acta Zoologica Academiae Scientiarim Hungaricae 40(1): 21–27. Orthosiini Taxa named by Ferdinand Ochsenheimer