Transferred to Oxyambulyx by Rothschild & Jordan, 1903, Novit. zool.9 (suppl.): 192 (key), 201; subsequently returned to Ambulyx by Fletcher & Nye, 1982, in Nye (Ed.), Generic Names Moths of the World4: 9. Erroneously transferred implicitly to Oxyambulyx by Zhu & Wang, 1997, Fauna Sinica Insecta 11: 225 (key), 232. Implicitly returned to Ambulyx by Kitching & Cadiou, 2000, Hawkmoths of the world: 38.