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 2. Aulonogyrus obliquus (Walker, 1858) 1858. Gyrinus obliquus Walker, Ann. Mag. Nat. Hist , 2 (3): 205. 1883. Aulonogyrus obliquus : Regimbart, Ann. Soc. ent. Fr, 3 (6): 137. Material examined : Dist. Dindigul, Sirumalai Forest , Kannimar Kovil , Kuttaikkad , patta land, 10°16’12.3”N , 77°59’32.1”E , alt. 676.7m , 12.i.2019 , coll. S. Dash and Party , 02 ♂♂ , 01 ♀ ( Reg. No. 25989/H4A) . Distribution : India : Andhra Pradesh (Eastern Ghats), Madhya Pradesh and Tamil Nadu ( Vazirani, 1984 ). Elsewhere : Sri Lanka . III. Genus Orectochilus Eschscholtz, 1833