A Catalogue of Indian Hydrophiloidea (Insecta: Coleoptera) Author Gupta, Devanshu 0000-0001-9188-4689 Zoological Survey of India, M-Block, New Alipore, Kolkata - 700053, West Bengal, India devanshuguptagb4102@gmail.com 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 0000-0002-3835-6892 Freshwater Biology Regional Centre, Zoological Survey of India, Hyderabad, Telangana, India & priyankajan 03 @ gmail. com; https: // orcid. org / 0000 - 0003 - 0129 - 6838 deepajzsi@gmail.com Author Chandra, Kailash 0000-0001-9076-5442 Former Director, Zoological Survey of India, M-Block, New Alipore, Kolkata - 700053, West Bengal, India & kailas 611 @ rediffmail. com; https: // orcid. org / 0000 - 0001 - 9076 - 5442 kailas611@rediffmail.com text Zootaxa 2024 2024-12-06 5546 1 1 92 https://doi.org/10.11646/zootaxa.5546.1.1 journal article 307460 10.11646/zootaxa.5546.1.1 591a1a6e-cc18-4244-8d88-945c61847c45 1175-5334 14387438 DC15F8C2-A0D4-47BB-9024-3416ED560E03 Crephelochares abnormalis ( Sharp, 1890 ) Philydrus abnormalis Sharp, 1890: 351 . Philydrus nigritulus Régimbart, 1903b: 57 . Helochares ( Chasmogenus ) regimbarti Knisch, 1924a: 195 . Phylhydrus ferrugatus Régimbart, 1903b: 57 . Chasmogenus ( Crephelochares ) abnormalis : Satô 1976: 22 , figs. 2-3; Hebauer 1992: 68 , fig. 8. Chasmogenus abnormalis : Hansen 1999a: 174 ; Hendrich et al . 2004: 126 ; Fikáček et al . 2015c: 61 ; Devi et al . 2016: 296 , figs., 7–13; Devi et al . 2017: 9 . Crephelochares abnormalis : Girón & Short 2021: 61 , fig. 27D; Przewoźny 2022: 27 . Type locality : Sri Lanka , Colombo [“Ceylon: Colombo”] ( Girón & Short 2021 ). Distribution in India : Manipur (Loktak Lake, Imphal). Global distribution : China , Cambodia , India , Indonesia , Japan , Laos , Malaysia , Philippines , Singapore , Thailand , Sri Lanka , Taiwan , Thailand , and Vietnam .