Primary references

• Walker, F. 1856. List of the Specimens of Lepidopterous Insects in the Collection of the British Museum. Part VIII. Sphingidae. British Museum (Natural History), London. 1–271. BHL Reference page. 

Additional references

• Brechlin, R. 2009a. Notes on the genus Daphnusa Walker, 1856 with the description of two new species (Lepidoptera: Sphingidae). Entomo-satsphingia 2(2): 11–17. Reference page. 

• Cadiou, J.-H. & Holloway, J.D. 1989: Endemic Sphingidae from Sulawesi (Lepidoptera). Lambillionea, 89(9-12): 130–158. Reference page. 

• Haxaire, J. & Melichar, T. 2009. Un nouveau Sphingidae asiatique: Daphnusa zythum sp. n. (Lepidoptera Sphingidae). The European Entomologist 1(3-4): 79–86. Reference page. 

• Hogenes, W. & Treadaway, C.G. 1998. The Sphingidae (Lepidoptera) of the Philippines. Nachrichten des entomologischen Vereins Apollo Supplement 17: 17–132. Full article (PDF). Reference page. 

• Melichar, T. & Řezáč, M. 2014b. A new species of the genus Daphnusa Walker, 1856 (Lepidoptera, Sphingidae) from northern India. The European Entomologist 6(3): 189–197. full article (PDF). Reference page.