Sphingidae of China - Annotated checklist of the hawkmoths (Lepidoptera: Sphingidae) of China, Mongolia, and the Korean Peninsula. www.chinamoth.org/china.htm
Sphingidae of the Western Palaearctic - Illustrated and annotated checklist of the hawkmoths of Europe, North Africa, the Middle East, and Central Asia by A.R. Pittaway. tpittaway.tripod.com/sphinx/list.htm
