Rhyncocheilus rugulipennis Cameron, 1932

Tang, Liang, Schillhammer, Harald & Zhao, Xin, 2021, Notes on the genus Rhyncocheilus in China (Coleoptera, Staphylinidae Staphylininae) with descriptions of three new species, Zootaxa 4948 (1), pp. 99-112 : 100-101

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.

Figures

FIGURES 1–6. Habitus. 1, 2—Rhyncocheilus rugulipennis; 3, 4—R. huanghaoi; 5, 6—R. henanensis. Scale bars: 2 mm.

FIGURES 13–21. 13–15—Rhyncocheilus rugulipennis; 16–18—R. huanghaoi; 19–21—R. henanensis; 13, 16, 19—male head; 14, 17, 20—female head; 15, 18, 21—Labrum. Scale bars: 1 mm.

FIGURES 30–37. Aedeagal characters. 30–33—Rhyncocheilus rugulipennis; 34–37—R. huanghaoi; 30, 34—aedeagus in lateral view; 31, 35—aedeagus in ventral view; 32, 36—apical portion of aedeagal median lobe in ventrolateral view; 33, 37—inner side of apical parameral portion. Scale bars: 0.5 mm.