Criotettix bispinosus (Dalman, 1818)

(Fig. 11)

Acrydium bispinosum Dalman, 1818: 77 .

Acridium (Tetrix) bispinosum (Dalman, 1818) in Haan, 1843: 169.

Tettix latispina Walker, 1871: 837 — Kirby, 1910: 18; Kirby, 1914: 38; Blackith, 1992: 35; Storozhenko et al., 2023: 202.

Tettix simplex Walker, 1871: 836 — Tsai, 1933: 118; Storozhenko et al., 2023: 202.

Criotettix bispinosus (Dalman, 1818) — Bolívar, 1887: 226; Günther, 1937a: 121–122; Günther, 1937b: 179; Tinkham, 1937: 230; Günther, 1938: 134; Günther, 1939: 319; Günther, 1940: 251; Günther, 1941: 148; Chopard & Dreux, 1966: 609; Bey-Bienko, 1968: 67; Shishodia, 1991a: 36; Shishodia, 1991b; Zheng, 1992: 82; Blackith, 1992: 34; Jiang & Zheng, 1998: 291; Liang & Zheng, 1998: 80; Ingrisch & Garai, 2001: 759; Zheng & Xie, 2002: 7; Jiang & Liang, 2004: 202; Zheng, 2004: 72; Zheng, 2005: 82; Deng et al., 2007: 74, 409; Mahmood et al., 2007: 1281; Buzzetti & Devriese, 2008: 164; Shishodia et al., 2010: 158; Benediktov, 2013: 257; Zheng, 2014: 55; Deng et al., 2015: 156; Tumbrinck, 2015: 276; Deng et al., 2015: 454; Deng, 2016: 76; Gupta & Chandra, 2017: 744; Deng et al., 2023: 208.

Acanthalobus bispinosus (Dalman, 1818) — Hancock, 1907a: 29; Hancock, 1907b: 222; Kirby, 1910: 16; Kirby, 1914: 37; Hancock, 1915: 93; Karny, 1915: 78; Willemse, 1930a: 18; Willemse, 1930b: 207; Subedi, 2023: 4; Storozhenko et al., 2023: 202.

Acanthalobus longinotus Hancock, 1907b: 221 — Kirby, 1910: 577; Günther, 1938: 133; Vanschuytbroeck, 1980: 4; Blackith, 1992: 35; Storozhenko et al., 2023: 202.

Acanthalobus simplex (Walker, 1871) — Kirby, 1910: 18.

Criotettix brachynotus Zheng & Jiang, 1994: 34 — Jiang & Zheng, 1998: 292; Liang & Zheng, 1998: 83; Zheng & Jiang, 2000: 88; Zheng & Xie, 2000: 91; Liang, 2002: 14; Zheng, 2004: 72; Zheng, 2005: 86; Deng et al., 2007: 82, 409; Wei et al., 2007: 47; Wei et al., 2014: 847; Deng et al., 2015: 454; Deng, 2016: 79; Deng, 2021: 455; Storozhenko et al., 2023: 202.

Formosatettix hainanensis Zheng, 2012: 2, 15—Deng, 2016: 279; Wei, Deng & Lu, 2019: 1006; Storozhenko et al., 2023: 202; Deng et al., 2023: 208.

Type material examined (only images). • ♂ holotype (of Acrydium bispinosum); locality unknown; coll. J.W. Dalman; NRM-ORTH 0012982 (NHRS) .

New material examined. PENINSULAR MALAYSIA; Terengganu; Kuala Berang, Sekayu • 1♀; N4.972248 E102.957732; 9 October 2024, 09h03; on shrub; coll. A.A. Muhammad, I.A. Azizan, Badrulhadza Amzah, Izzuddin Abdullah, Akmal Hidayat, Mohamad Iman; HSHTT2024.066 (MZUM) • 2♀; N4.963559 E102.949886; 10 October 2024, 08h48; on foliage by the river; coll. A.A. Muhammad, I.A. Azizan, N.A. Abdullah; HSHTT2024.094, 096 (MZUM) • 2♂ 1♀; N4.963559 E102.949886; 10 October 2024, 09h16; on river rock; coll. A.A. Muhammad, I.A. Azizan, N.A. Abdullah; HSHTT2024.102, 103, 104 (MZUM) .

Remarks. Our specimens represent the first record of this species in Terengganu. Two color forms were observed from our specimens, which are the brighter and darker forms. The lighter form has lighter overall appearance, with its pronotum lighter and face bright red (Fig. 11A), whereas the colors of the darker form are dark and dull, with the red coloration on face less vibrant (Fig. 11B).

Distribution. Borneo (Kalimantan, Sarawak), China, Myanmar, Nepal, Vietnam.