BioStor
 | Diagnosen neuer Hemipteren G Mayr (1865) Verhandlungen der Zoologisch-Botanischen Gesellschaft in Wien 15: 429-446 |
 | Summary of the Hemiptera of Japan presented to the United States National Museum by Professor Mitzukuri Philip R Uhler (1896) Proceedings of the United States National Museum. Washington., 19: 255-297 |
 | Uebersicht der Wasser-Hemipteren von Japan und Formosa S Matsumura (1915) Entomological Magazine, Kyoto 1: 103-119 |
 | Ultrastructure of Spermatozoa and Spermatogenesis in Nepomorpha (Insecta: Heteroptera) with Special Reference to Phytogeny(Cell Biology) Young Hwan Lee and Chang Eon Lee (1992) Zoological Science 9: 971-981 |