A Catalogue of Indian Hydrophiloidea (Insecta: Coleoptera) Author Gupta, Devanshu Zoological Survey of India, M-Block, New Alipore, Kolkata - 700053, West Bengal, India Author Sonali, Shipra 0009-0000-8416-9046 Zoological Survey of India, M-Block, New Alipore, Kolkata - 700053, West Bengal, India & University of Calcutta, Kolkata, 35, Ballygunge Circular Rd., Ballygunge, Kolkata - 700019, West Bengal & shipra. aquaticbeetles @ gmail. com; https: // orcid. org / 0009 - 0000 - 8416 - 9046 shipra.aquaticbeetles@gmail.com Author Ghosh, Sujit Kumar 0000-0001-9675-9705 Zoological Survey of India, M-Block, New Alipore, Kolkata - 700053, West Bengal, India & sujit. coleoptera @ gmail. com; https: // orcid. org / 0000 - 0001 - 9675 - 9705 sujit.coleoptera@gmail.com Author Das, Priyanka 0000-0003-0129-6838 Zoological Survey of India, M-Block, New Alipore, Kolkata - 700053, West Bengal, India & priyankajan 03 @ gmail. com; https: // orcid. org / 0000 - 0003 - 0129 - 6838 priyankajan03@gmail.com Author Jaiswal, Deepa 0000-0003-0129-6838 Freshwater Biology Regional Centre, Zoological Survey of India, Hyderabad, Telangana, India & priyankajan 03 @ gmail. com; https: // orcid. org / 0000 - 0003 - 0129 - 6838 priyankajan03@gmail.com Author Chandra, Kailash 0000-0001-9076-5442 Zoological Survey of India, M-Block, New Alipore, Kolkata - 700053, West Bengal, India & Former Director, Zoological Survey of India, M-Block, New Alipore, Kolkata - 700053, West Bengal, India & Zoological Survey of India, M-Block, New Alipore, Kolkata - 700053, West Bengal, India & kailas 611 @ rediffmail. com; https: // orcid. org / 0000 - 0001 - 9076 - 5442 * Corresponding author: devanshuguptagb 4102 @ gmail. com; https: // orcid. org / 0000 - 0001 - 9188 - 4689 & Zoological Survey of India, M-Block, New Alipore, Kolkata - 700053, West Bengal, India kailas611@rediffmail.com text Zootaxa 2024 2024-12-06 5546 1 1 92 https://doi.org/10.11646/zootaxa.5546.1.1 journal article 10.11646/zootaxa.5546.1.1 1175-5334 DC15F8C2-A0D4-47BB-9024-3416ED560E03 Coelostoma ( Lachnocoelostoma ) horni ( Régimbart, 1902b ) Cyclonotum horni Régimbart, 1902b: 474 ; Mukhopadhyay 2010: 326 . Coelostoma horni : d’Orchymont 1922: 625 ; d’Orchymont 1937c: 37 ; Mukhopadhyay & Sengupta, 2003: 37 ; Kazmi & Ramamurthy 2004: 1447 . Coelostoma ( Lachnocoelostoma ) horni : d’Orchymont 1940: 157 ; Satô 1979: 49 ; Hansen 1999a: 249 ; Hebauer 2002a: 29 ; Hansen 2004: 61 ; Fikáček et al . 2015c: 63 ; Jia et al . 2017: 119, figs., 5–8; Jaiswal et al . 2022: 113 ; Przewoźny 2022: 29 ; Shankar et al . 2024: 460. Type locality : Srilanka [“ Ceylon ”], Banderawala ( Hansen 1999a ) . Distribution in India : Assam , Arunachal Pradesh (Dihang River, Janakmukh), Andhra Pradesh (East Godavari), Andaman and Nicobar Islands, Rajasthan (Jodhpur, Kailana Lake ), Sikkim (Rangpo, Sombaria, Jorethang, West Gayzeng), Tamil Nadu (Dharampuri), and Uttarakhand (Bageshwar, Baijnath). Global distribution : Bhutan , China , India , Indonesia , Mascarene Islands, Mozambique , Nepal , Oman , Pakistan , Saudi Arabia , Senegal , South Africa , Sri Lanka , Thailand , Yemen , and Vietnam .