Helochares densus Sharp, 1890

Helochares densus Sharp, 1890: 352; Ghosh et al. 2000: 47; Mukhopadhyay 2007: 410; Ghosh et al. 2016: 22; Ghosh et al. 2018a: 441; Ghosh et al. 2018b: 28; Girón & Short 2021: 174; Ghosh 2022: 489; Przewoźny 2022: 27.

Helochares (Hydrobaticus) densus: d’Orchymont 1943a: 7, fig. 10; Hebauer 1995a: 4; Hansen 1999a: 166; Hebauer 2002a: 23; Hansen 2004: 52; Fikáček et al. 2015c: 62.

Type locality: Sri Lanka [«(Ceylon): Kandy; Dikoya; Bogawantalawa»] (Girón & Short 2021).

Distribution in India: Andaman and Nicobar Islands (Andaman Islands, Nicobar Islands), Andhra Pradesh (Chittor), Bihar (Nalanda), Dadra and Nagar Haveli and Daman and Diu, Jharkhand (Konbir), Karnataka (Abiathi), Lakshadeep (Agatti, Kavaratti, Minicoy), Madhya Pradesh (Narmada River), Odisha (Satkosia and Basipally Wildlife Sanctuary, Chilika Lake), Tamil Nadu (Chennai “Madras”, Nagapattinam), Telangana, Tripura (South Tripura), Uttar Pradesh, Uttarakhand (Kumaon), and West Bengal.

Global distribution: China, India, Nepal, Thailand, and Vietnam.