Hydrobiomorpha spinicollis (Eschscholtz, 1822)

Hydrophilus spinicollis Eschscholtz, 1822: 41 .

Hydrochares spinicollis: Gemminger & Harold 1868: 478.

Hydrophilus (Neohydrophilus) spinicollis: d’Orchymont 1911: 62.

Neohydrophilus spinicollis: d’Orchymont 1923a: 10.

Hydrobiomorpha (s. str.) spinicollis: Mouchamps 1959: 313, figs., 17, 27; Satô 1972b: 51; Hansen 1999a: 216; Hansen 2004: 53; Fikáček et al. 2015c: 48; Liu et al. 2021a: 50; Ghosh et al. 2021: 616; Ghosh 2022: 492; Przewoźny 2022: 19; Sheth et al. 2024: 24862.

Hydrophilus elongatus Régimbart, 1902b: 471 .

Type locality: Indes orientales (Mouchamps 1959).

Distribution in India: Andhra Pradesh, Himachal Pradesh (Kangra, Dharamshala, Palampur), Maharashtra (Pune, Kohlapur), Odisha (Satkosia and Baisipalli Wildlife Sanctuary), and Telangana (Hyderabad).

Global distribution: China, India, Sri Lanka, and Taiwan.