Helochares lentus Sharp, 1890

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 lentus Sharp, 1890

Figs 35 , 42 , 59 , 60

Helochares lentus Sharp, 1890: 352. Type locality: Sri Lanka (Dikoya).

Material examined.

Guangdong: 1 male, 1 spec., Xuwen , 27.ix.1985, Zhihe Huang leg. ; 1 spec., Zhanjiang , Chikan, 25.ix.1985, Zhihe Huang leg. ; 10 spec., Fengkai , Heishiding, 13.viii.2010, Fenglong Jia, Yue Jia, Bingjie Chen and Weilin Xu leg. ; 12 spec., Fengkai , Heishiding, 4-6.x.2013, Fenglong Jia, Yue Jia, Bingjie Chen and Weilin Xu leg. ; 8 spec., Fengkai , Heishiding, 20-22.ix.2014, Fenglong Jia, Renchao Lin and Yudan Tang leg. ; 2 spec., Fengkai , Heishiding, 29.v.1984, Wu Wu leg. ; 2 spec., Fengkai , Heishiding, 10.iv.1985, Zhihe Huang leg. ; 2 males, Guangzhou , Conghua , Liuxihe, Xitou village, 23.7125N 113.8697E, 398.6 m, 28.ix.2021, Zhuoyin Jiang and Zuqi Mai leg. ; 4 spec., Shenzhen , Futian mangrove salt-water fish pond, 30.v.2015 - 1.vi.2015, Fenglong Jia and Renchao Lin leg. Guangxi : 6 spec., Fangcheng , Fulong, 24.v.1999, Xin Ke leg. ; 3 spec., Napo , Nonghua, 750 m, 18.viii.1998, Fusheng Huang leg. ; 1 spec., Jinxiu , Luoxiang, 200 m, 15.V.1999, Xuezhong Zhang leg. Hong Kong: 21 spec., Qingkuai pond, 29.x.2013. Y.M. Lee and Eric and Rex Ch Shih and Alex Lee leg. ; 32 spec., Rongshuao , 10 m, 11.vi.2014, Fenglong Jia and Weicai Xie and Jiahuang Chen leg. ; 2 spec., Nanyong (before the dam), 21 m, Fenglong Jia and Weicai Xie and Alex leg. ; 2 spec., Shaluodong , 185 m, 28.x.2013, Fenglong Jia and Weicai Xie and Alex light trap. Jiangxi : 1 spec., Jing’an County, Zaodu town , Nanshan village, 315 m, 2.viii.2015, Renchao Lin and Yudan Tang leg. Xizang : 1 male (IZCAS), IOZ(E)2056679, Motuo County, Beibeng , near Liberation Bridge, 2016.VI.17 N [N = night], 773 m, 29.2432°N, 95.1673°E, Liang Hongbin leg. ; 1 male, 3 spec. (IZCAS), Motuo County, Beibeng , 2015.VIII.23 N [N = night], 799 m, light trap, 29.3431°N, 95.1700°E, Liang Hongbin and Huang Zhengzhong leg. Yunnan : 6 spec., Yingjiang County, Nabang town , 24.75°N, 97.56°E, 239 m, Yudan Tang and Ruijuan Zhang leg. ; 50 spec., Jingdong County, Taizhong town , 1395 m, 15.iv.2015, Renchao Lin and Yudan Tang leg. ; 2 spec., Pohui , 2.ix.1939, Zhelong Pu leg. ; 2 spec., Lufeng village , 26.iii.1940 .; 1 female, Jinping , Mengla, 370 m, 30.iv.1956, Keren Huang leg. ; 1 female, Jingdong , 1170 m, 24.vi.1956, Keleirangnuofusiji leg. ; 1 female, Hekou , Xiaonanxi, 200m, 7.vi.1956, Keren Huang leg. ; 1 female, Cheli , Damenglong, 640 m, 29.iv.1957, Shuyong Wang leg. ; 1 female, Mangshi , 1000 m, 12.v.1956, Benshou Zhou leg. ; 4 spec., Mengla , 2007.viii.2, Jiahui LI leg. ; 2 spec., Mengla Shangyong , 2007.viii.2, Lei Shi leg. ; 1 spec., Mengla , 6-7.viii.2007, Guodong Ren, Wenjun Hou and Yaping Li leg. ; 1 spec., Wangting , 2011.iv.29, Wangang Liu leg. ; 2 spec., Yingjiang , 820 m, 25.v.1983, Lizhong Hua leg. ; 2 spec., Huijiang , i.1940, Zhelong Pu leg. 3 males, 1 female, Xishuangbanna Botanical Garden (west area), near Wanglian Hotel, 4-11.iv.2021, Huang Baoping leg. ; 1 male, 1 female, Honghe , Hani Automatic prefecture of Yi Nationality , Lvchun County, Niukong town , in Terrance, 1336 m, 22.9872°N, 102.2675°E, Jiang Zuoyin, Yang Zhenming, Mai Zuqi and Huang Baoping leg.

Distribution.

China (Fujian, Guangdong, Guangxi, Guizhou, Hong Kong, Hunan, Jiangxi, Sichuan, Taiwan, Xizang, Yunan), Bangladesh, Cambodia, India, Indonesia, Malaysia, Sri Lanka, Thailand, Vietnam. New for Fujian, Guangdong, Guizhou, Hunan, Jiangxi, Sichuan.

Habitat.

This species occurs in mud with aquatic grass at the edge of a pool. It can occasionally 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 53 - 60. Aedeagi of Helochares spp 53 - 55 H. sauteri d'Orchymont 53 dorsal, 54 lateral, 55 ventral and data of specimen 56 - 58 H. densus Sharp 56 dorsal 57 lateral 58 ventral and data of specimen 59 - 60 H. lentus Sharp 59 dorsal 60 lateral.