Two new species of Helochares, with additional faunistic records from China (Coleoptera, Hydrophilidae, Acidocerinae) Author Yang, Zhenming Institute of Entomology, Life Science School, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China Author Jia, Fenglong https://orcid.org/0000-0003-2391-5038 Institute of Entomology, Life Science School, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China fenglongjia@aliyun.com Author Tang, Yudan Shenzhen Mingde Experimental School, Shenzhen, Guangdong, China Author Jiang, Lu Shenzhen Wildlife Conservation Division, Shenzhen, Guangdong, China text ZooKeys 2021 2021-12-16 1078 57 83 http://dx.doi.org/10.3897/zookeys.1078.73458 journal article http://dx.doi.org/10.3897/zookeys.1078.73458 1313-2970-1078-57 B3F93E0A30BB4838A263613E4819443B C286A99ABFFD52D885B2A9BCCF30E084 Helochares sauteri d'Orchymont , 1943 Figs 33 , 41 , 53 , 54 , 55 Helochares Sauteri d'Orchymont , 1943a: 6. Type locality: China (Taiwan). Material examined. Paratype male (IRSN), Ta-maon Id. (II), 92-87. A. d'Orchymont det.: Helochares (Hydrobaticus) sauteri m., coll. A. d'Orchymont . 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 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 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 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 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. Additional material examined. Hubei : 1 spec. , Wuchang , 17.v.1961 , Zhelong Pu leg. Zhejiang : 55 spec. , Tianmushan , 27.vii.-10.viii.2009 , Fenglong Jia leg. Jiangxi : 1 male , 5 females , Yichuan City , Yifeng County , Guanshan nature reserve , 26°30'05.63"N , 114°00'53.19"E , 379 m , 17-18.vi.2016 , Yudan Tang and Ruijuan Zhang leg. ; 11 spec. , Jiulianshan , 20.iv.2009 , Fenglong Jia leg. ; 42 spec. , Shangrao , Sanqingshan , 15.viii.2006 & 15-20.iv.2007 , Fenglong Jia and Haidong Chen leg. ; 4 spec. , Jinggangshan , Baiyinghu , 800m , 27.iv.2011 , Fenglong Jia leg. ; 6 spec. , Jinggangshan , Shuangxikou , 3.x.2010 , Shuang Zhao and Fenglong Jia leg. ; 2 spec. , Jinggangshan , Dajing parkland, 19.ix.2010 , Shuang Zhao leg. ; 3 spec. , Jinggangshan major peak, 2.x.2010 , Yue Jia and Yuran Cao leg. ; 1 spec. , Jinggangshan , Jingzhushan , 4.x.2010 , Fenglong Jia leg. ; 21 spec. , Jing'an County , Sanzhaolun village , Tangli , 260 m , 3.viii.2015 , Renchao Lin and Yudan Tang leg. ; 22 spec. , Suichuan County , Nanfengmian nature reserve , 816 m , 18.vi.2015 , Renchao Lin and Yudan Tang leg. ; 17 spec. , Jing'an County , Daqishan forestry centre, 350 m , 16.vii.2014 , Renchao Lin leg. ; 6 spec. , Jing'an County , Zaodu town , Nanshan village , 315 m , 19.vii.2014 , Renchao Lin leg. ; 1 male , 5 spec. , Shangyou County , Guanggushan , 25°55'11"N , 114°03'04"E , 846 m , 21.vi.2015 , Renchao Lin and Yudan Tang leg. Hunan : 1 male , 3 females , Hunan , Zhuzhou City , Taoyuandong nature reserve , 28°33'16.73"N , 113°34'55.97"E , 394 m , 14-15.vi.2016 , Yudan Tang and Ruijuan Zhang leg. ; 2 spec. , Nanyue , 4.ix.1941 , Zhelong Pu leg. ; 3 spec. , Zhuzhou City , Yanling County , Taoyuandong , Jiashui , 19.v.2014 , Renchao Lin and Xiaolin Liu leg. ; 2 spec. , Zhuzhou City , Yanling County , Taoyuandong , Mihua village , 25.v.2014 , Renchao Lin and Xiaolin Liu and Chang Pan leg. ; 1 spec. , Zhuzhou City , Yanling County , Taoyuandong , 20.v.2014 , Xiaolin Liu and Chang Pan and Weicai Xie leg. Fujian : 4 spec. , Wuyishan , Daanyuanhe , 16.vii.2010 , Fenglong Jia leg. ; 14 spec. , Nanjing , Hexi town pond, 13.vii.2010 , Fenglong Jia leg. ; 1 spec. , Ningde City , Ningde normal college behind the mountain, 200 m , 3.x.2012 , Zeyu Wang leg. Guangdong : 40 spec. , Shaoguan , Danxiashan , 20.iv.2008 & 16.V.2009 & 27.V.2010 & 28.VIII.2012 & 23-26.IV.2013 , Fenglong Jia and Keqing Song and Shuang Zhao leg. ; 3 spec. , Danxiashan , Zhanglaofeng , 8.vi.2012 , Fenglong Jia leg. ; 2 spec. , Danxiashan , Yangyuanshan , 10.vi.2011 , Fenglong Jia leg. ; 1 spec. , Danxiashan , Jinshiyan , 22.iv.2012 , Fenglong Jia and Junlei Liao leg. ; 2 spec. , Fengkai , Heishiding , 20-22.vii.2007 , Fenglong Jia and Lijun Yang leg. ; 2 spec. , Fengkai , Heishiding , 2.vii.2011 , Fenglong Jia and Lijun Yang leg. ; 4 spec. , Nanling , Dadongshan , 24.vi.2009 , Fenglong Jia leg. ; 2 females , Guangzhou , Baiyunshan , 18.iv.1958 , Zhelong Pu leg. ; 8 spec. , Huizhou , Longmen County , Nankunshan , 23.6538N 113.9469E , 239.6 m , 26.ix.2021 , Zhuoyin Jiang and Zuqi Mai leg. Guizhou : 2 spec. , Pingba , Machang , 13.viii.1982 , Zhihe Huang leg. ; 2 spec. , Rong County , Pingyang village , Xiaodanjiang , 15.ix.2005 , Shuang Zhao leg. Sichuan : 6 spec. , Leshan City , Emeishan , Qingyin'ge , 750 m , 7.vi.2014 , Renchao Lin leg. ; 2 spec. , Emeishan , 6.vii.1982 , Zhihe Huang leg. ; 3 spec. , Qingchengshan , 8.viii.1982 , Zhihe Huang leg. Distribution. China (Fujian, Guangdong, Guizhou, Hubei, Hunan, Jiangxi, Sichuan, Taiwan, Zhejiang). New for Hunan. Habitat. This species occurs in mud, or under root of waterside grass of pool or slow stream. It can occasionally be collected in mud without aquatic grass, and by light trap. 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.