Diagnosis. Males of the new species resemble all other Pandava species by the divided median apophysis and having the median lobe of the tibial apophysis longer than the retrolateral lobe. Females differ from other species by the long, coiled copulatory duct.

Description. Male (holotype). Total length 3.13. Carapace 1.53 long; 1.19 wide. Abdomen 1.52 long; 1.03 wide. Carapace brown with cephalic area dark brown. Chelicerae brown, with 3 promarginal and 2 retromarginal teeth. Sternum, labium and endites yellowish brown. Eye diameters and interdistances: AME 0.05; ALE 0.11; PME 0.11; PLE 0.10; AME– AME 0.04; AME–ALE 0.06; PME–PME 0.09; PME–PLE 0.12; AME–PME 0.10; ALE–PLE 0.08. Legs brown. Leg measurements: I 5.32 (1.56, 1.94, 1.20, 0.62), II 4.38 (1.34, 1.53, 0.99, 0.52), III 3.61 (1.17, 1.21, 0.82, 0.41), IV 3.52 (1.10, 1.18, 0.80, 0.44). Abdomen beige, with brown pattern.

Palp (Figs 63–64). Median apophysis conical, bifurcated. Sperm duct visible in middle of tegulum. Prolateral lobe of tibial apophysis bifurcated, median lobe of tibial apophysis longest, terminus slightly curved, retrolateral lobe of tibial apophysis semi-circular with notch in the middle.

Female (IZCAS-Ar43336). Total length 4.13. Carapace 1.73 long; 1.25 wide. Abdomen 2.31 long; 1.25 wide. Chelicerae with 2 promarginal and 2 retromarginal teeth. Eye diameters and interdistances: AME 0.07; ALE 0.12; PME 0.11; PLE 0.12; AME–AME 0.05; AME–ALE 0.07; PME–PME 0.10; PME–PLE 0.13; AME–PME 0.10; ALE–PLE 0.04. Leg measurements: I 4.25 (1.31, 1.60, 0.75, 0.59), II 3.69 (1.26, 1.31, 0.66, 0.46), III 3.05 (0.93, 1.20, 0.53, 0.39), IV 4.00 (1.00, 1.01, 0.91, 0.48). Habitus similar to that of male.

Female genitalia (Fig. 65). Epigyne with wide plate, long, coiled copulatory duct. Single elongate spermatheca. Fertilization duct transverse.

Material examined. Holotype ♂ (IZCAS-Ar43331), China: Yunnan, Xishuangbanna Dai Autonomous Prefecture, Mengla County, Menglun Township, G 213 road, Bamboo plantation (21.9064°N, 101.2800°E, elev. 627 m), 22 November 2009, G. Tang leg. Paratypes. 3♂ 2♀ (IZCAS-Ar43332–Ar43336), same data as holotype.

Distribution. Known only from the type locality.

Etymology. The specific name is a noun in apposition taken from the type locality.

Funding This research was supported by the National Natural Science Foundation of China (31972869).

Acknowledgements The manuscript benefited greatly from comments by Yuri Marusik, Anna Sestakova, and Yucheng Lin. Theo Blick checked the etymology. Sarah Crews checked the English of the final version. Yi Li (Yunnan, China), Rixin Jiang (Shandong, China), Yujie Zhao (Jiangxi, China), Zhigang Chen (Yunnan, China), Jincheng Liu (Beijing, China), Wei Wang (Guangdong, China), Fan Gao (Jiangsu, China), Ruiyang Wang (Jiangsu, China), Meiying Lin (Beijing, China), Qianle Lu (Guangdong, China), Tongyao Jiang (IZCAS), Dongdong Wang (Hainan, China), Yu Wen (Jiangxi, China), Zhiyuan Yao (Shenyang, China), Zelun Li (Beijing, China), Yunhu Mo (Hainan, China), Yunmeng Wang (Beijing, China) and Yiduo Wang (Guangdong, China) helped with field work. Jishen Wang (Yunnan, China), Jing Yuan (Anhui, China), and Saiyu Hou (Anhui, China) provided helpful suggestions. Fan Gao (Jiangsu, China), Dongdong Wang (Hainan, China), Yiduo Wang (Guangdong, China) and Qianle Lu (Guangdong, China) took the photographs. We also thank Changteng Yang, Tao Zhang and their colleagues, Nanling National Forest Park Administration, for their help in our field work.