Helochares nipponicus Hebauer, 1995

Yang, Zhenming, Jia, Fenglong, Tang, Yudan & Jiang, Lu, 2021, Two new species of Helochares, with additional faunistic records from China (Coleoptera, Hydrophilidae, Acidocerinae), ZooKeys 1078, pp. 57-83 : 57

Helochares nipponicus Hebauer, 1995

Figs 30 , 47 , 48

Helochares striatus Sharp, 1873: 60. Type locality: Japan (Kyushu).

Helochares nipponicus Hebauer, 1995: 6 (RN). Species name " Helochares striatus " was preoccupied by Hydrobius striatus Boheman, 1851 (= Helochares striatus (Boheman 1851)).

Material examined.

Nei Mongol: 1 male, Tongliao, The source of Daqinggou, 235 m, 27.viii.2014, Weijie Sun leg. Jiangxi: 1 male, Shangrao, Sanqingshan, 15-20.iv.2007, Fenglong Jia leg.

Distribution.

China (Jilin, Nei Mengol, Jiangxi), Japan, Korea. New for Jiangxi and Nei Mongol.

Habitat.

This species occurs in mud with aquatic grass at the edge of a pool.

Figures

Figures 29 - 32. Habitus of Helochares spp., dorsal view 29 H. hainanensis Dong & Bian 30 H. nipponicus Hebauer 31 H. negatus Hebauer 32 H. minusculus d'Orchymont.

Figures 45 - 52. Aedeagi of Helochares spp 45 - 46 H. hainanensis Dong & Bian 45 dorsal 46 lateral 47 - 48 H. nipponicus Hebauer 47 dorsal 48 lateral 49 - 50 H. negatus Hebauer 49 dorsal 50 lateral 51 - 52 H. minusculus d'Orchymont 51 dorsal 52 lateral.