Stenus alumoenus Rougemont, 1981

Stenus alumoenus Rougemont, 1981: 371; Puthz, 2013b: 1344.

Material examined. China: Zhejiang: Zhuji: ♂, glued on a card with labels as follows: “ China, Zhejiang, Zhuji, Caota Town Reservoir, alt. 100m, 26.XI.–3.XII.2011, Tie-Xiong Zhao leg. ” “ Holotype / Stenus zhaoguanmini / Tang, Zhao & Luo” [red handwritten label] (SHNU) . Paratypes. 18♂♂ 28♀♀, same data as for the holotype (SHNU, cPut); 1♂ 1♀, Majian Town, Dashan, hay, sifted, alt. 150m, 12.X.2013, Tie-Xiong Zhao leg. (SHNU) ; 2♀♀, Majian Town, Dashan near Huangcaota, sifted, alt. 100m, 15.II.2014, Tie-Xiong Zhao leg. (SHNU) ; 1♂1♀, Wuxie Park, alt. 100–300m, 9.VII.2014, Tie-Xiong Zhao leg. (SHNU)

Distribution. China (Guangdong, Zhejiang), Thailand, Laos.

Remarks. The species is new to Zhejiang. The apical sclerotized area of aedeagus of the population from Zhejiang is wider than that of type series, which is considered as variation.