Rhyncocheilus rugulipennis Cameron, 1932

(Figs 1, 2, 13–15, 30–33)

Rhyncochilus [sic!] rugulipennis Cameron, 1932: 226; Schillhammer, 2012: 198.

Material examined. China: Guangdong: 4³³ 1♀, Ruyuan County, Nanling N. R ., alt. 1500–1800 m, 17.VIII.2008, Qi & Yin leg. (SHNU); Fujian: 1³, Wuyishan, Guadun, alt. 1200 m, 30.VIII.2009, Huang Hao leg. (SHNU) ; Yunnan: 1³ 1♀, Lincang, Shuibatou Village, 24°38′16′′N, 100°27′17′′E, 1281 m, 20. VI .2019, Zi-Chun Xiong leg. (SHNU).

Measurements. Male: BL: 18.5–21.2 mm, FL: 10.8–11.4 mm. HL: 2.34–2.50 mm, HW: 3.17–3.22 mm, EYL:

1.06–1.11 mm, TL: 0.89–1.00 mm, PL: 2.50–2.72 mm, PW: 2.89–3.06 mm, EL: 4.78–5.06 mm, EW: 4.84–5.34 mm. HW/HL: 1.29–1.36, TL/EYL: 0.84–0.95, PL/PW: 0.84–0.91, EL/EW: 0.95–0.99.

Female: BL: 18.6 mm, FL: 11.7 mm. HL: 2.67 mm, HW: 3.39 mm, EYL: 1.11 mm, TL: 1.11 mm, PL: 2.78 mm, PW: 3.17 mm, EL: 5.17 mm, EW: 5.67 mm. HW/HL: 1.27, TL/EYL: 1.00, PL/PW: 0.88, EL/EW: 0.91.

Distribution. China (Fujian, Guangdong, Yunnan), Myanmar. New to China.

Remarks. The apex of the aedeagal paramere (Fig. 33) in the Chinese populations is more pointed than that of the types, but this is considered as variability within the species.