Hesperus watanabei Shibata, 2002: 255 Li, Zhou & Schillhammer, 2010: 535 New species group and two new species of the genus Hesperus from China (Coleoptera: Staphylinidae: Philonthina) Cai, Yu-Jie Li, Yue-Yang Tang, Liang Zootaxa 2024 2024-07-02 5474 5 550 562 3L5YL Shibata, 2002 Shibata 2002 [151,574,834,861] Insecta Staphylinidae Hesperus Animalia Coleoptera 4 554 Arthropoda species watanabei  ( Figs 7, 8, 16, 22, 40–44)      Hesperus watanabei Shibata, 2002: 255;  Li, Zhou & Schillhammer, 2010: 535.   Material examined.   China: Yunnan: 1♂ 11♀♀, Lianghe County, Mengyang Town, 24°33′28.97″N, 98°16′11.41″E, alt.  550–1633m,  VI–XI.2022; Lin Yichengleg. ( SHNU);  1♂, Lincang City, Man-wan Town, Datianwazi, 24°41′26.75″N, 100°20′44.87″E, alt.  2000m, 10. V.2016, Xiong Zi-Chunleg. ( SHNU);  1♀, Tengchong County, Mingguang Town, Zizhi Vill., 25°42′N, 98°35′E, alt.  2300–2500m,  30.IV.2013, S.-D.-P. leg. ( SHNU).   Redescription.Measurements of male: BL: 10.91–14.23 mm, FL: 5.95–6.38 mm. HL: 1.52–1.64 mm, HW: 2.70–2.98 mm, EYL: 0.76–0.77 mm, TL: 0.65–0.78 mm, PL: 2.02–2.17 mm, PW: 2.17–2.26 mm, EL: 2.88–3.07 mm, EW: 3.19–3.32 mm. HW/HL: 1.78–1.81, TL/EYL: 0.84–1.03, PL/PW: 0.93–0.96, EL/EW: 0.90–0.92. Measurements of female: BL: 11.25–11.34 mm, FL: 6.29–6.69 mm. HL: 1.45–1.55 mm, HW: 2.13–2.35 mm, EYL: 0.71–0.83 mm, TL: 0.55–0.58 mm, PL: 2.20–2.29 mm, PW: 2.13–2.35 mm, EL: 3.13–3.41 mm, EW: 3.22– 3.59 mm. HW/HL: 1.47–1.52, TL/EYL: 0.70–0.78, PL/PW: 0.97–1.03, EL/EW: 0.95–0.97. The characters of adult are provided in the original description based on six malesand one femalespecimen ( Shibata 2002). Therefore, only additional measurements are provided above.   Distribution.This species is only known from Yunnan province, southwestern China.   Diagnosis.  Hesperus watanabeimay be easily recognized from the species of other  borneensisgroup except  H. flexibilisby the head, neck, pronotum, elytra and segments III–VI orange red, and by creamy white antennomeres 9–11 ( Fig. 16). For distinguishing  Hesperus watanabeifrom  H. flexibilis, see description of the latter species. 4905212309 VI China Lianghe County 1092 24.558046 Mengyang Town 1 98.26984 4 554 12 11 1 Yunnan 4905212302 V China Lincang City 2000 24.690763 Datianwazi 1 100.3458 Man-wan Town 4 554 1 1 Yunnan 4905212301 2013-04-30 SHNU China Tengchong County 2400 25.7 Zizhi Vill. 1245 98.583336 Mingguang Town 4 554 1 1 Yunnan