Helochares negatus 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 negatus Hebauer, 1995

Figs 31 , 39 , 49 , 50

Helochares negatus Hebauer, 1995b: 5. Type locality: Bangladesh (Dinajpur).

Material examined.

Yunnan: 2 males, 3 spec., Mengla , 4.viii.2007, Jiahui Li leg. , 1 male, Mengla , Wangtianshu, 22.vii.2011, Yun Li leg. , 1 male., Puer , 29.vii.2007, Fenglong Jia leg. ; 5 males, 2 females, Yingjiang County, Tongbiguan village , Kaibangyahu, 24.58°N, 97.67°E, 1289 m, 25.v.2016, Yudan Tang and Ruijuan Zhang leg.

Distribution.

China (Yunnan), Bangladesh. New for China.

Habitat.

This species occurs in mud with aquatic grass at the edge of a pool. It is occasionally collected by light trap.

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 37 - 40. Habitus of Helochares spp. 37 H. anchoralis Sharp (dorsal) 38 H. hainanensis Dong & Bian (ventral) 39 H. negatus Hebauer (ventral) 40 H. minusculus d'Orchymont, (ventral).

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.