Transferred to Hyles by HÃ¼bner, , Verz. bekannter Schmett.: 137. Transferred to Celerio by Rothschild & Jordan, 1903, Novit. zool.9 (suppl.): 715; then back to Hyles by Pittaway, 1983, Entomologist's Gaz.34: 77. Implicitly transferred to Celerio by Zhu & Wang, 1997, Fauna Sinica Insecta 11: 342 (key), 346. Implicitly returned to Hyles by Danner, Eitschberger & Surholt, 1998, Herbipoliana4 (1): 201. This name can also be used in a varietal sense for the form in which the light areas of the forewing are pale ochreous-grey.