Pinelema bailongensis, male palp, retrolateral view showing bulb length (Bl), embolus length (El) and embolic slit length (Esl).

Pinelema cheni Zhao & Li, sp. n., male. A Palp, prolateral view B Palp, retrolateral view C Embolus, prolateral view D Embolus, retrolateral view. Scale bars: 0.1 mm (A–B), 0.05 mm (C–D).

Pinelema cheni Zhao & Li, sp. n., male holotype. A Habitus, dorsal view B Embolus, apical view C Palp, prolateral view D Palp, retrolateral view. Scale bars: 0.2 mm (A), 0.05 mm (B), 0.1 mm (C–D).

Pinelema cheni Zhao & Li, sp. n., female paratype. A Habitus, dorsal view B Habitus, ventral view C Endogyne, lateral view. Scale bars: 0.2 mm (A–B), 0.05 mm (C).

Pinelema cordata comb. n., male. A Palp, prolateral view B Palp, retrolateral view C Embolus, prolateral view D Embolus, retrolateral view. Scale bars: 0.1 mm (A–B), 0.05 mm (C–D).

Pinelema huoyan Zhao & Li, sp. n., male. A Palp, prolateral view B Palp, retrolateral view C Embolus, prolateral view D Embolus, retrolateral view. Scale bars: 0.1 mm (A–B), 0.05 mm (C–D).

Pinelema huoyan Zhao & Li, sp. n., male holotype. A Habitus, dorsal view B Embolus, apical view C Palp, prolateral view D Palp, retrolateral view. Scale bars: 0.2 mm (A), 0.05 mm (B), 0.1 mm (C–D).

Pinelema huoyan Zhao & Li, sp. n., female paratype. A Habitus, dorsal view B Habitus, ventral view C Endogyne, lateral view. Scale bars: 0.2 mm (A–B), 0.05 mm (C).

Pinelema liangxi, male. A Palp, prolateral view B Palp, retrolateral view C Embolus, prolateral view D Embolus, retrolateral view. Scale bars: 0.1 mm (A–B), 0.05 mm (C–D).

Pinelema liangxi, male. A Habitus, dorsal view B Embolus, apical view C Palp, prolateral view D Palp, retrolateral view. Scale bars: 0.2 mm (A), 0.05 mm (B), 0.1 mm (C–D).

Pinelema liangxi, female. A Habitus, dorsal view B Habitus, ventral view C Endogyne, lateral view. Scale bars: 0.2 mm (A–B), 0.05 mm (C).

Pinelema lizhuang Zhao & Li, sp. n., male. A Palp, prolateral view B Palp, retrolateral view C Embolus, prolateral view D Embolus, retrolateral view. Scale bars: 0.1 mm (A–B), 0.05 mm (C–D).

Pinelema lizhuang Zhao & Li, sp. n., male holotype. A Habitus, dorsal view B Embolus, apical view C Palp, prolateral view D Palp, retrolateral view. Scale bars: 0.2 mm (A), 0.05 mm (B), 0.1 mm (C–D).

Pinelema lizhuang Zhao & Li, sp. n., female paratype. A Habitus, dorsal view B Habitus, ventral view C Endogyne, lateral view. Scale bars: 0.2 mm (A–B), 0.05 mm (C).

Pinelema strentarsi, male. A Palp, prolateral view B Palp, retrolateral view C Embolus, prolateral view D Embolus, retrolateral view. Scale bars: 0.1 mm (A–B), 0.05 mm (C–D).

Pinelema strentarsi, male. A Habitus, dorsal view B Embolus, apical view C Palp, prolateral view D Palp, retrolateral view. Scale bars: 0.2 mm (A), 0.05 mm (B), 0.1 mm (C–D).

Pinelema strentarsi, female. A Habitus, dorsal view B Habitus, ventral view C Endogyne, lateral view. Scale bars: 0.2 mm (A–B), 0.05 mm (C).

Pinelema wangshang Zhao & Li, sp. n., male. A Palp, prolateral view B Palp, retrolateral view C Embolus, prolateral view D Embolus, retrolateral view. Scale bars: 0.1 mm (A–B), 0.05 mm (C–D).

Pinelema wangshang Zhao & Li, sp. n., male holotype. A Habitus, dorsal view B Embolus, apical view C Palp, prolateral view D Palp, retrolateral view. Scale bars: 0.2 mm (A), 0.05 mm (B), 0.1 mm (C–D).

Pinelema wangshang Zhao & Li, sp. n., female paratype. A Habitus, dorsal view B Habitus, ventral view C Endogyne, lateral view. Scale bars: 0.2 mm (A–B), 0.05 mm (C).

Pinelema wenyang Zhao & Li, sp. n., male. A Palp, prolateral view B Palp, retrolateral view C Embolus, prolateral view D Embolus, retrolateral view. Scale bars: 0.1 mm (A–B), 0.05 mm (C–D).

Pinelema wenyang Zhao & Li, sp. n., male holotype. A Habitus, dorsal view B Embolus, apical view C Palp, prolateral view D Palp, retrolateral view. Scale bars: 0.2 mm (A), 0.05 mm (B), 0.1 mm (C–D).

Pinelema wenyang Zhao & Li, sp. n., female paratype. A Habitus, dorsal view B Habitus, ventral view C Endogyne, lateral view. Scale bars: 0.2 mm (A–B), 0.05 mm (C).

Pinelema xiushuiensis, male. A Palp, prolateral view B Palp, retrolateral view C Embolus, prolateral view D Embolus, retrolateral view. Scale bars: 0.1 mm (A–B), 0.05 mm (C–D).

Pinelema yunchuni Zhao & Li, sp. n., male. A Palp, prolateral view B Palp, retrolateral view C Embolus, prolateral view D Embolus, retrolateral view. Scale bars: 0.1 mm (A–B), 0.05 mm (C–D).

Pinelema yunchuni Zhao & Li, sp. n., male holotype. A Habitus, dorsal view B Embolus, apical view C Palp, prolateral view D Palp, retrolateral view. Scale bars: 0.2 mm (A), 0.05 mm (B), 0.1 mm (C–D).

Pinelema yunchuni Zhao & Li, sp. n., female paratype. A Habitus, dorsal view B Habitus, ventral view C Endogyne, lateral view. Scale bars: 0.2 mm (A–B), 0.05 mm (C).

Pinelema zhewang, male. A Palp, prolateral view B Palp, retrolateral view C Embolus, prolateral view D Embolus, retrolateral view. Scale bars: 0.1 mm (A–B), 0.05 mm (C–D).

Pinelema zhewang, male. A Habitus, dorsal view B Embolus, apical view C Palp, prolateral view D Palp, retrolateral view. Scale bars: 0.2 mm (A), 0.05 mm (B), 0.1 mm (C–D).

Pinelema zhewang, female. A Habitus, dorsal view B Habitus, ventral view C Endogyne, lateral view. Scale bars: 0.2 mm (A–B), 0.05 mm (C).

Distribution records of Pinelema bailongensis species group: 1 P. bailongensis 2 P. cheni Zhao et Li, sp. n. 3 P. cordata 4 P. huoyan Zhao & Li, sp. n. 5 P. liangxi 6 P. lizhuang Zhao & Li, sp. n. 7 P. strentarsi 8 P. wangshang Zhao & Li, sp. n. 9 P. wenyang Zhao & Li, sp. n. 10 P. xiushuiensis 11 P. yunchuni Zhao & Li, sp. n. 12 P. zhewang.