On a collection of aquatic beetles (Insecta: Coleoptera) from Southern Eastern Ghats, Tamil Nadu, India Author Dash, Swetapadma Author Ghosh, Sujit Kumar text Records of the Zoological Survey of India 2022 122 1 91 95 journal article 10.26515/rzsi/v122/i1/2022/151058 2581-8686 5. Hydaticus bipunctatus Wehncke, 1876 1876. Hydaticus bipunctatus Wehncke, Ent. Zeitung , 37 : 196. Material examined : Dist. Salem, Vaniyar Reserve Forest , 11°49’06.3”N , 78°16’19.4”E , alt. 791m , 21.i.2019 , coll. S. Dash and Party , 01 ♂ ( Reg. No. 25992/H4A) . Distribution : India : Andhra Pradesh , Assam , Bihar , Gujarat , Himachal Pradesh , Jammu & Kashmir, Jharkhand , Kerala , Madhya Pradesh , Maharashtra , Manipur , Meghalaya , Odisha , Puducherry , Rajasthan , Sikkim , Tamil Nadu , Tripura , Uttarakhand , Uttar Pradesh and West Bengal . Elsewhere : Bangladesh , Bhutan , Myanmar , Nepal , Pakistan , Sri Lanka , China , Indonesia , Japan , Korea , Philippines , Taiwan , Thailand , Vietnam and Australian region.