Koyaga is a genus of moths of the family Noctuidae. The genus was described by Ueda in 1984. Selected species Koyaga falsa (Butler, 1885) Koyaga numisma (Staudinger, 1888) Koyaga senex (Butler, 1881) Koyaga virescens (Sugi, 1958) Koyaga viriditincta (Wileman, 1915) Citations General references Acontiinae