Hydrophilus bilineatus caschmirensis Kollar & Redtenbacher, 1844

Hydrophilus caschmirensis Kollar & Redtenbacher, 1844: 513 .

Stethoxus (Stethoxus) cashmirensis: Bedel 1891: 310; Régimbart 1902a: 200, pl. 7, figs., 13, 13a.

Hydrophilus japonicus Sharp, 1873: 57 .

Hydrous bilineatus cashmirensis: d’Orchymont 1932b: 37.

Stethoxus birmanicus Régimbart, 1902a: 202 .

Hydrophilus bilineatus cashmirensis: Satô 1965: 128; Satô 1972b: 52; Hansen 1999a: 228; Hebauer 2002a: 27; Hansen 2004: 54; Biswas & Mukhopadhyay 1995: 160; Chandra 2008: 170; Fikáček et al. 2015c: 51; Liu et al. 2021a: 49; Liu et al. 2021b: 303; Ghosh & Gupta 2022: 117; Przewoźny 2022: 20.

Type locality: Kashmir [«Caschmir»] (Hansen 1999a).

Distribution in India: Andaman and Nicobar Islands (Great Nicobar Island), Assam (Nameri National Park, Tezpur, Panbari Reserve forest), Jammu and Kashmir, Jharkhand (Ranchi: Tetara), and West Bengal (Bardhaman, Malda, Murshidabad, Kolkata).

Global distribution: Bhutan, Cambodia, China, India, Indonesia, Japan, Malaysia, Sri Lanka, South Korea, Taiwan, Thailand, and Vietnam.