Helochares pallens (MacLeay, 1825)

Enhydrus pallens MacLeay, 1825: 35 .

Helochares parvulus Reiche & Saulcy, 1856: 359 .

Philhydrus parvulus: Guillebeau, 1896: 226.

Helochares lewisius Sharp, 1873: 60 .

Helochares dispar Sharp, 1903: 7 .

Helochares laeviusculus Régimbart, 1906: 261 .

Helochares pallens: d’Orchymont 1926b: 232; d’Orchymont 1943d: 8; Balfour-Browne 1939c: 293; Vazirani 1953: 427; Biswas & Mukhopadhyay 1995: 157; Hansen 1999a: 162; Mukhopadhyay & Sengupta 2003: 41; Mukhopadhyay & Sengupta 2004: 453; Hansen 2004: 52; Hendrich et al. 2004: 128; Mukhopadhyay 2007: 410; Jaiswal et al. 2013: 24; Ghosh 2014: 58; Das et al. 2014: 458; Fikáček et al. 2015c: 62; Ghosh et al. 2015a: 107; Ghosh et al. 2015b: 25, Ghosh et al. 2016: 23; Devi et al. 2017: 8; Ghosh et al. 2018a: 441; Ghosh et al. 2018b: 28; Jia & Tang 2018: 15, figs., 3242, 52; Anamika et al. 2021: 185; Girón & Short 2021: 193; Liu et al. 2021a: 45; Dash & Ghosh 2022: 93; Ghosh 2022: 490; Ghosh & Gupta, 2022: 115; Przewoźny 2022: 28; Sonali et al. 2022: 341; Ghosh et al. 2023: 161; Shankar et al. 2024: 460

Helochares (Hydrobaticus) pallens: Hebauer, 1995a: 7; Mukhopadhyay 2015: 388.

Type locality: Indonesia, Java (Girón & Short 2021).

Distribution in India: Andaman and Nicobar Island (Great Nicobar Island), Andhra Pradesh (West Godavari, Nellore), Assam, Bihar, Dadra and Nagar Haveli and Daman & Diu, Jammu and Kashmir (Jammu), Jharkhand (Hazaribagh Wildlife Sanctuary), Madhya Pradesh (Jabalpur), Manipur (Loktak Lake, Keibul Lamjo National Park, Imphal), Odisha (Satkosia and Basipally Wildlife Sanctuary, Chilika Lake), Puducherry (Karaikal) Sikkim (Jorethang), Tamil Nadu (Salem), Telangana (Hyderabad, Durgam Cheruvu), Uttar Pradesh (Etawah, Rampur, Sultanpur, Shahjahanpur), and West Bengal (Kolkata, Murshidabad, Sagar Island, Sunderban Biosphere Reserve).

Global distribution: Australia, Bangladesh, Bennin, Botswana, Chad, Cameroon, China, Democratic Republic of the Congo, Egypt, Ethiopia, Ghana, Guinea, India, Indonesia, Ivory Coast, Israel, Japan, Labanon, Kenya, Laos, Liberia, Madagascar, Malaysia, Myanmar, Namibia, Nepal, Papua New Guinea, Pakistan, Philippines, Rwanda, Saudi Arabia, South Africa, Sri Lanka, Sudan, Singapore, Syria, Taiwan, Tanzania, Thailand, Turkey, Uganda, Vanuatu, Yemen, Zambia, and Zimbabwe.