Stenus japonicus Sharp, 1874

Stenus japonicus Sharp, 1874a: 84 .

Stenus insularis J. Sahlberg, 1887: 53; L. Benick, 1922: 178. Stenus necessarius L. Benick, 1922: 176; Puthz, 1968b: 45.

Stenus niponensis Cameron, 1930d: 205; Naomi and Puthz, 1994: 217. Stenus sinensis L. Benick, 1940: 562; Puthz, 1967b: 141.

Stenus civicus L. Benick, 1941: 284; Puthz, 1967a: 18.

Material examined. China: Zhejiang: Zhuji: 1♀, Caota Town Reservoir , alt. 100m, 20.VIII.2011, Tie-Xiong Zhao leg. ; 1♀, Martyrs, 4.XI.2011, Tie-Xiong Zhao leg.

Distribution. China (Shanghai, Zhejiang, Jiangsu, Anhui, Guizhou, Fujian, Hubei, Shanxi, Shaanxi), Japan, Russia.