Teslenko V.A., Minakawa N.
Aquatic Insects 1999; 21: 19-32
Stavsolus manchuricus sp.n. from Southern Primorye and China, and Stavsolus ainu sp.n from Sakhalin, Southern Kuril Islands and Hokkaido, both previously identified as Stavsolus japonicus (Okamoto), are described, illustrated, and compared with the closely related S. japonicus. For better distinction a supplementary description of S.japonicus is given.
