Criotettix bispinosus (Dalman, 1818)

(Figs. 4, 5)

Acrydium bispinosum Dalman, 1818: 77 .

Acridium (Tetrix) bispinosum — Haan, 1843: 169.

Criotettix bispinosus [refer to OSF for complete literature]— Bolívar, 1887: 226; Günther, 1937a: 179; Tinkham, 1937: 230; Günther, 1937b: 121–122; Günther, 1939: 319; Shishodia, 1991: 36; Blackith, 1992: 34; Mahmood et al., 2007: 1281; Benediktov. 2013: 257 (vibrational signalling); Tumbrinck, 2015: 276; Deng et al., 2023: 208.

Acanthalobus bispinosus — Hancock, 1907b: 29; Kirby 1910: 16; Kirby, 1914: 37; Karny, 1915: 78; Hancock, 1915: 93; Willemse, 1930: 18.

Criotettix brachynotus Zheng & Jiang, 1994: 34; synonymized by Deng, 2021: 455.

Formosatettix hainanensis Zheng, 2012: 2; synonymized by Deng et al., 2023: 2008.

Tettix latispina Walker, 1871: 837; synonymized by Kirby, 1910: 18.

Acanthalobus longinotus Hancock, 1907a: 221; synonymized by Blackith, 1992: 35.

Tettix simplex Walker, 1871: 836; synonymized by Kirby, 1910: 18.

Material examined. VIETNAM, Th ừa Thiên Hu ễ province, Bạch Mã National Park: •1Ô, 1♀; road-side vegetation along road to summit, N16.24626 E107.86881, 85.9± 6.1 m.a.sl., 7 March 2023, 9h16; on a leaf of a shrub; coll. M.K. Tan & V. T . Trung; VIET . 23.12, 13 (ZRC) • 1♀; road-side vegetation along road to summit, N16.24198 E107.86661, 144.7± 6.9 m.a.s.l.; 7 March 2023, 10h09; on a rock with flowing water; coll. M.K. Tan & V. T . Trung; VIET .23.15 (VNMN) • 3Ô; open stream near Bạch Mã National Park, N16.22036 E107.88702, 72.9± 6.3 m.a.s.l.; 8 March 2023, 11h01; on boulders and rocks; coll. M.K. Tan & V. T. Trung; VIET.23.39–41 (ZRC) (Fig. 5) .

Ecology. This species was found along rivers, residing on rocks and substrate near the fast-flowing water. However, it has also been found on more vegetated area along road.

Distribution. India, Myanmar, South China (including Hainan), Thailand, Vietnam, Peninsular Malaysia, and Indonesia (the Greater Sunda Islands).

Type locality. Oriental region (without definite locality) .