Nepa hoffmanni Esaki, 1925
- Ban, Y., S. Shibita & M. Ishikawa 1985. Remarks on the life cycle of the water scorpion, Nepa hoffmanni Esaki (Hemiptera: Nepidae) in Japan 22: 3265-3269. Verhandlungen der Internationalen Vereinigung für Theoretische und Angewandte Limnologie.
- Ban, Y., S. Shibita & M. Ishikawa 1988b. A monograph of the water scorpion, Nepa hoffmanni Esaki: 1-142. Bunichi Sogo Shuppan, Tokyo.
- Esaki, T. 1925a. Einige Wasser-Hemipteren aus Tsingtau (Nord-China) 14: 312-314. Entomologische Mitteilungen.
- Keffer, S.L., J.T. Polhemus & J.E. McPherson 1990a. What is Nepa hoffmanni (Heteroptera: Nepidae)? Male genitalia hold the answer, and delimit species groups 98: 154-162. Journal of the New York Entomological Society.