TYPE(S) Japan: Nikko (H. Pryer) [NHMUK]. A male has been labelled as manuscript lectotype in NHMUK (M.R. Honey pers. comm.).
Synonymized with Ambulyx schauffelbergeri by Rothschild, 1894, Novit. zool. 1: 86. Reinstated as a species and transferred to Oxyambulyx by Rothschild & Jordan, 1903, Novit. zool. 9 (suppl.): 195 (key), 199. Transferred to Ambulyx by Inoue & Lin, 1992, Lepid. Taiwan 1 (2): 157. Erroneously transferred implicitly to Oxyambulyx by Zhu & Wang, 1997, Fauna Sinica Insecta 11: 224 (key), 225. Implicitly returned to Ambulyx by Kitching & Cadiou, 2000, Hawkmoths of the world: 38.