Transferred to Pergesa by Walker, 1856, List Specimens lepid. Insects Colln Br. Mus.8: 153; then to Rhyncholaba by Rothschild & Jordan, 1903, Novit. zool.9 (suppl.): 789. Returned to Pergesa by Tutt, 1904, Nat. Hist. Br. Lepid.4: 144. Erroneously returned to Rhyncholaba by d'Abrera, , Sphingidae Mundi: 198, then back to Pergesa by Bridges, 1993, Cat. Fam. Gen. Spec. Sphingidae of the World: VIII.19. Implicitly transferred to Rhyncholaba by Zhu & Wang, 1997, Fauna Sinica Insecta 11: 380. Implicitly returned to Pergesa by Kitching & Cadiou, 2000, Hawkmoths of the world: 61.