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 Helophorus ( Rhopalohelophorus ) mervensis Semenov, 1900a Helophorus mervensis Semenov, 1900a: 587 . Helophorus arabicus Sharp, 1916a: 83 . Helophorus fryanus Sharp, 1916b: 171 . Helophorus infelix Sharp, 1916a: 84 . Helophorus lederi Sharp, 1916b: 174 . Helophorus ( Rhopalohelophorus ) mervensis : Angus 1986: 155 ; Angus 1992: 85 ; Angus 1995: 194 , 196; Hansen 1999a: 35 ; Hansen 2004: 40 ; Fikáček et al . 2015a: 31 ; Sazhnev & Ilyina 2021: 388 , figs., 5–6; Przewoźny 2022: 6 . Type locality : Turkmenistan , Mary ( Hansen 1999a ) . Distribution in India : Jammu and Kashmir (Srinagar). Global distribution : Afghanistan , Armenia , India , Iran , Kazakhstan , Russia , Saudi Arabia , Tajikistan , Turkmenistan , Turkey , Yemen , and Uzbekistan .