9. Hydropsyche butes Malicky & Chantaramongkol. Cambodia, India (North Andaman Island), Indonesia (Sumatra), Malaysia (Peninsular), Myanmar, Vietnam.

Hydropsyche butes Malicky & Chantaramongkol 2000, 808, plate 20.

Holotype: Male; Indonesia (Sumatra).

Malicky 2007, 178; Oláh & Johanson 2008, 136–137; Oláh & Johanson 2010b, 22; Malicky et al. 2014b, 34; Wityi et al. 2015, 46; Morse 2021.