Vaglia, Thierry, Jean Haxaire, Ian J. Kitching, Isabelle Meusnier, and Rodolphe Rougerie. 2008. “Morphology and DNA Barcoding Reveal Three Cryptic Species Within the Xylophanes neoptolemus and loelia Species-Groups (Lepidoptera: Sphingidae)”. Zootaxa 1923 (1). Auckland, New Zealand:18–36. https://doi.org/10.11646/zootaxa.1923.1.2.