Nepa grossa Fabricius, 1787: 277. LT (Lundblad in Zimsen, 1964: 305): China; ZMUC.
Nepa rubra (non Linnaeus, 1758): Fabricius, 1787: 277. Misidentification (see Stål, 1868a: 135; Esaki, 1926b: 178).
Nepa flavovenosa Dohrn, 1860a: 409 (syn. Hoffmann, 1941: 49). STS: male, female, Sri Lanka; Stettiner Museum (Lundblad, 1933b: 250).
Nepa kohlii Ferrari, 1888a: 180 (syn. Lundblad, 1933a: 21). STS: male, female, Ostindien [= China]; NHMW.