Description of four new species of the subgenus Tachycines (Gymnaeta) Adelung, 1902 (Orthoptera: Rhaphidophoridae) from caves in China and additional notes on some previously known species Author Zhu, Qi-Di 7796C4B5-5DC2-42BB-A671-18BE36E68C48 College of Life Science, Institute of Life Science and Green Development, Hebei University, Baoding 071002, P. R. China. qidizhu0323@163.com Author Shi, Fu-Ming 9E53A7F0-4FEB-4AED-8E3C-BD1AB497154D College of Life Science, Institute of Life Science and Green Development, Hebei University, Baoding 071002, P. R. China. shif_m@126.com text European Journal of Taxonomy 2021 2021-08-19 764 1 17 http://dx.doi.org/10.5852/ejt.2021.764.1465 journal article 4853 10.5852/ejt.2021.764.1465 ef8f6cbf-7d89-494a-bab5-fcb4047213ba 2118-9773 5236019 67C77AE3-2B15-486C-8269-EF6A44ABE8A5 Tachycines ( Gymnaeta ) liboensis Zhu, Chen & Shi, 2020 Fig. 5 Tachycines ( Gymnaeta ) liboensis Zhu, Chen & Shi, 2020: 73 . Material examined Holotype CHINA ; Guizhou Prov. , Libo County , Dongtang Village , Banzhai Hamlet , Maan Cave ; 25 Oct. 2009 ; Hui-Ming Chen leg.; HBU . Additional material CHINA1 ♂ , Guangxi Zhuang Autonomous Region , Huanjiang County , Chuanshan Village , Xiarong Hamlet , Shuiyuan Cave ; 4 Oct. 2016 ; Ming-Yi Tian , Ju-Jian Chen , Xin-Hui Wang , Ming-Ruo Tang , Dian-Mei Wang , Zhuang-Hui Qin and Rui-Chong Wang leg.; HBU 1 ♀ ; Guangxi Zhuang Autonomous Region , Huanjiang County , Chuanshan Village , Xiarong Hamlet , The Second Cave ; 6 Oct. 2016 ; Ming- Yi Tian , Ju-Jian Chen , Xin-Hui Wang , Ming-Ruo Tang , Dian-Mei Wang , Zhuang-Hui Qin and Rui- Chong Wang leg.; HBU . Descriptive notes of the female Ovipositor nearly equal in length to half the length of hind femur, slightly curved upward, dorsal margin smooth, apical area of ventral margin denticulate. Subgenital plate nearly triangular, both sides of basal area with one triangular lobe, apex blunt. Measurements (mm) Body length: : 18.0, : 18.0; length of pronotum: : 5.5–6.0, : 5.0; length of fore femur: : 14.3– 15.0, : 12.2; length of hind femur: : 26.5–27.0, : 23.0; length of hind tibia: : 30.0–31.0, : 27.0; length of hind basitarsus: : 6.0, : 5.0; length of ovipositor: 11.8. Distribution China ( Guangxi , Guizhou ). Remarks The female of this species is recorded and described here for the first time.