Helochares neglectus (Hope, 1854)

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 neglectus (Hope, 1854)

Figs 36 , 43 , 61 , 62

Hydrobius neglectus Hope, 1854: 16. Type locality: Guangzhou, China.

Helochares crenatus ( Régimbart, 1903): Pu 1963: 79 (misidentification, Yunnan).

Material examined.

Jiangxi: 30 spec., Jing’an County, Zaodu town , Nanshan village, 315 m, 29°01'N, 115°16'E, 2.viii.2015, Renchao Lin and Yudan Tang leg. ; 5 spec., Jing’an County, Zaodu town , Nanshan village, 315 m, 29°01'N, 115°16'E, 2.viii.2015, Renchao Lin and Yudan Tang leg. ; 32 spec., Jing’an County, Zaodu town , Nanshan village, 315 m, 29°01'N, 115°16'E, 19.vii.2015, Renchao Lin and Yudan Tang leg. ; 1 spec., Lushan , Poyanghu, 10.viii.1963, Zhelong Pu leg. ; 1 spec., Jiujiang , 24.viii.1941, Zhelong Pu leg. Hunan : 1male, 8 spec., Jishou City , Mayang County, Lancui village, 27°46'17"N, 109°51'41"E, 349 m, 15.ix.2016, Fenglong Jia and Ruijuan Zhang leg. ; 3 spec., Yizhang , 8.x.1941, Zhelong Pu leg. ; 2 spec., Tongdao , 19.viii.1982, Zhihe Huang leg. ; 2 spec., Xianghuaihua , Yushuwan, 17.vi.1965, Zhenyao Chen leg. ; 1 spec., Nanyue , 4.ix.1941, Zhelong Pu leg. ; 1 spec., Chengyuan , 6.iii.1941, Zhelong Pu leg. Fujian : 1 spec., Fu’an, 20.ix.1963, Shanxiang Lin leg. Guangdong : 1 sepc., Shenzhen , Neilingding nature reserve, 22°24'44"N, 113°48'46"E, 6m, 23-26.viii.2016, Fenglong Jia, Weicai Xie, Ruijuan Zhang and Shishuai Wang leg. ; 27 spec., Baiyunshan , 2.xi.1964, Jincai Bao leg. ; 20 spec., Guangzhou , Luhu, 2.xi.1964, Zhenyao Chen leg. ; 32 spec., Lianhe , 18.x.1964, Zhenyao Chen and Jincai Bao leg. ; 20 spec., Guangzhou , Xinshi, 11.x.1964, Chengmu Chen and Zhengwei Huang leg. ; 10 spec., Heshan , 22-24.iv.2002, Ruizhen Wen leg. ; 7 spec., Heshan , 6.vi.2006, Guilin Liu leg. ; 8 spec., Dongguan , Lianhuashan, 20.vi.2002, Guilin Liu leg. ; 12 spec., Lianzhou , Dadongshan, 25.ix.2008, Yun Wang leg. ; 2 spec., Dinghu , 10.v.1994, Fenglong Jia leg. ; 1 spec., Dinghushan , 22-23.v.1964, Ping Lin and Yaoquan Li leg. ; 1 spec., Xuwen , 27.ix.1985, Zhihe Huang leg. ; 1 spec., Henan , Kangle, 30.vi.1964 & 13.vii.1964, Qiuquan Li, Jiuru Zhang, Shitian Li and Shunbang Liu leg. ; 6 spec., Henan , Kangle, 2.vii.1965, Qiuquan Li, Jiuru Zhang, Shitian Li and Shunbang Liu leg. ; 2 spec., Henan , Kangle, xii.1962, Qiuquan Li, Jiuru Zhang, Shitian Li and Shunbang Liu leg. ; 1 spec., Xinhui , viii.2001, Xiaoli Tong leg. ; 4 spec., Guangzhou , viii.1938, Zhelong Pu leg. ; 6 spec., Guangzhou , Henan, 24.v.1957, Zhelong Pu leg. ; 1 spec., Guangzhou , Xicun, 3.iv.1963, Yousheng Lai leg. ; 1 spec., Sun Yat-sen University campus, 26.iv.1963, Youzheng Lai leg. ; 2 spec., Sun Yat-sen University campus, vii.1985, Youzheng Lai leg. ; 2 spec., Guangzhou , Shipai, 26.vi.1955, Zhaojian Liang leg. ; 2 spec., Guangzhou , Chisha, 28.ix.1964, Zhenyao Chen leg. ; 3 spec., Guangzhou , Shipai, 18.x.1964, Zhaojian Liang leg. ; 1 spec., Guangzhou , Ruyuan, Longxi, 9.x.1964, Zhenyao Chen leg. ; 1 female, Guangzhou , Shuzhugang, 3.v.1957, Zhelong Pu leg. ; 1 female, Shenzhen , 12-15.viii.2006, Fenglong Jia leg. ; 10 spec., Shenzhen , Futian Mangrove nature reserve, 2-4.iv.2015, Fenglong Jia, Renchao Lin, Zhenhua Liu and Kai Chen leg. ; 7 spec., Shenzhen , Futian Mangrove nature reserve, 30.v-1.vi.2015, Fenglong Jia, Renchao Lin, Yudan Tang and Kai Chen leg. ; 1 spec., Shenzhen , Luohu, Yinhu, 28.xi.1998, Fenglong Jia leg. ; 2 spec., Lianxian , vi.1945, Zhelong Pu leg. ; 1 spec., Fengkai , Heishiding, 1.vii.1987, Chen leg. ; 1 female, Gaoming , Yangmei town, 23-26.iv.2006, Fenglong Jia leg. ; 1 spec., Yingde , 5.viii.1962, Ping Lin leg. ; 1 spec., Guangzhou , Xinzhou, 17.vi.1963, Youshen Lai leg. ; 1 spec., Guangzhou , Shilangang, 9.v.1963, Youshen Lai leg. Guangxi : 98 spec., Yangshuo , 1985, Shoujian Chen leg. ; 3 spec., Nanning , 19.vi.1977, Zhelong Pu leg. ; 10 spec., Nanning , vi.1958, Zhihe Huang leg. ; 11 spec., Shangsi , Hongqi forestry centre, 300 m, 27.v.1999, Xuezhong Zhang leg. ; 5 spec., Fangcheng , Fulong, 23.v.1999. Xin Ke leg. ; 3 spec., Napo , Nonghua, 750m, 18.viii.1998, Fusheng Huang and Wenzhu Li leg. ; 1 spec., Napo , Beidou, 550 m, 12.iv.1998, Chunsheng Wu leg. ; 3 spec., Shangsi , Hualan town, Hualan village, 204 m, in pool, 6.vii.2011, Keqing Song leg. ; 1 spec., Hechi , 4.xi.1941, Zhelong Pu leg. ; 4 spec., Jingxi , Bangliang, 6.viii.2010, Jianghua Huang leg. Hainan : 1 spec., Hainan , 16.XII.1957, Cuiying Li leg. ; 1 spec., Xinglong , 24.xii.1957, Cuiying Li leg. ; 1 spec., Yinggeling , 5.iv.2008, Yuxia Yang leg. Yunnan : 3 spec., Yingjiang , 25.v.1983, Lizhong Hua leg. ; 1 spec., Jinping , Mengla, 500 m, 20.iv.1956, Keren Huang leg. ; 1 spec., Pohui , 2.ix.1979, Zhelong Pu leg. ; 1 male, Xishuangbanna Botanical Garden (west area), near Wanglian Hotel, 4-11.iv.2021, Huang Baoping leg.

Distribution.

China (Fujian, Guangdong, Guangxi, Hainan, Hong Kong, Hubei, Hunan, Jiangsu, Jiangxi, Shanghai, Sichuan, Yunnan, Zhejiang), Cambodia, Malaysia, Thailand, Vietnam. New for Hong Kong.

Habitat.

This species occurs in mud with aquatic grass at the edge of pool, or under root of waterside grass on the bank of slow stream. It can sometimes be collected by light trap.

Figures

Figures 33 - 36. Habitus of Helochares spp., dorsal view 33 H. sauteri d'Orchymont 34 H. densus Sharp 35 H. lentus Sharp 36 H. neglectus (Hope).

Figures 41 - 44. Habitus of Helochares spp 41 H. sauteri d'Orchymont (ventral) 42 H. lentus Sharp (ventral) 43 H. neglectus (Hope) (ventral) 44 H. anchoralis Sharp (ventral).

Figures 61 - 64. Aedeagi of Helochares spp 61 - 62 H. neglectus (Hope) 61 dorsal 62 lateral 63 - 64 H. anchoralis Sharp 63 dorsal 64 lateral.