Survey of Linyphiidae spiders (Arachnida: Araneae) from Wulipo National Nature Reserve, Chongqing, China Irfan, Muhammad Wang, Lu-Yu Zhang, Zhi-Sheng European Journal of Taxonomy 2023 2023-06-05 871 1 85 Irfan & Wang & Zhang, 2023 Irfan & Wang & Zhang 2023 [561,784,331,358] Arachnida Linyphiidae Molestia Animalia Araneae 27 28 Arthropoda species pollicaris sp. nov.   urn:lsid:zoobank.org:act: 3D683307-EC36-4D97-852F-3D5B208EB386  Figs 20–23    Differential diagnosis The new species can be distinguished from all other congeners by the tibia with a thumb-shaped retrolateral tibial apophysis; terminal apophysis wing-shaped with pointed end; embolus proper minute, lateral margin highly sclerotized, round in male palp ( Figs 20–21); scape C-shaped; posterior median plate trapezoid ( Fig. 23E).    Etymology The epithet is derived from the Latin adjective ‘  pollicaris’ meaning ‘of or belonging to a thumb’ and referring to the tibia with a thumb-shaped retrolateral tibial apophysis in male palp ( Fig. 20C–D).    Type material    Holotype CHINA• ♂; Chongqing, Wushan County, Guanyang Town, Zhuxian Township, Xiang Yaocai Village; 31°18′57.96″ N, 110°5′23.55″ E; elev.  1681 m;  6 Oct. 2020; L.Y. Wang, X.W. Zhou, T.Y. Ren, J.X. Zhaoand L. Xiaoleg.; SWUC-T-LIN-09-01.    Paratypes CHINA• 12 ♂♂, 17 ♀♀; same collection data as for holotype; SWUC-T-LIN-09-02–30 •  1 ♂, 5 ♀♀; Wushan County, Dangyang Town, Congping Managementand Protection Station; 31°23′47.16″ N, 110°2′3.32″ E; elev.  1970 m;  3 Oct. 2020; L.Y. Wang, X.W. Zhou, T.Y. Ren, J.X. Zhaoand L. Xiaoleg.; SWUC-T-LIN-09-31–36 •  1 ♀; Wushan County, Guanyang Town, Pingqian Management Station; 31°22′22.75″ N, 109°56′17.25″ E; elev.  1832 m;  4 Oct. 2020; L.Y. Wang, X.W. Zhou, T.Y. Ren, J.X. Zhaoand L. Xiaoleg.; SWUC-T-LIN-09-37–38 •  4 ♀♀; Wushan County, Dangyang Town, Wushanya; 31°28′21.35″ N, 109°59′10.29″ E; elev.  1740 m;  2 Oct. 2020; L.Y. Wang, X.W. Zhou, T.Y. Ren, J.X. Zhaoand L. Xiaoleg.; SWUC-T-LIN-09-39–42 •  2 ♂♂; Wushan County, Guanyang Town, Zhuxian Township, Zhaoyang Ping; 31°16′23.77″N, 110°5′45.79″E; elev.  1575 m;  5 Oct. 2020; L.Y. Wang, X.W. Zhou, T.Y. Ren, J.X. Zhaoand L. Xiaoleg.; SWUC-T-LIN-09-43–44 •  6 ♂♂, 3 ♀♀; Wushan County, Dangyang Town, Congping Mountain; 31°23′47.16″ N, 110°2′28.04″ E; elev.  2150 m;  3 Oct. 2020; L.Y. Wang, X.W. Zhou, T.Y. Ren, J.X. Zhaoand L. Xiaoleg.; SWUC-T-LIN-09-45–53.    Description  Male( holotype, Figs 20, 23A)  MEASUREMENTS. Total 2.32 long; carapace 1.09 long, 0.89 wide; abdomen 1.38 long, 0.84 wide. Eye sizes and interdistances: AME 0.05, ALE 0.10, PME 0.09, PLE 0.10, AME–AME 0.02, PME–PME 0.03, AME–ALE 0.05, PME–PLE 0.06, ALE–ALE 0.39, PLE–PLE 0.44, ALE–PLE 0.01, AME–PME 0.09.  CEPHALOTHORAX. Carapace yellow, cephalic region slightly elevated; fovea, cervical and radial grooves distinct. Clypeus 0.16 high.  CHELICERAE. With two promarginal and two retromarginal teeth.  LEG MEASUREMENTS. Legs long, yellow, covered with fine spines. Length of legs: I 5.62 (1.41, 1.77, 1.51, 0.93), II 4.68 (1.25, 1.44, 1.21, 0.78), III 3.50 (1, 1.03, 0.92, 0.55), IV 4.78 (1.33, 1.38, 1.25, 082). Leg formula I-IV-II-III. TmI 0.31 and TmIV absent. Tibial spine formula: 2-2-2-2.   Fig. 20.  Molestia pollicaris sp. nov., holotype ♂, left palp (SWUC-T-LIN-09-01). A. Prolateral view. B. Retrolateral view. C. Dorsal view. D. Ventral view.  ABDOMEN. Oval, grey, posteriorly with four chevrons, base of spinnerets black, ventral side grey.  PALP( Figs 20–21). Patella shorter than tibia with a long dorsal spine; tibia conic, distal margin much broader than proximal end, with two retrolateral and one dorsal trichobothria, with a thumb-shaped retrolateral tibial apophysis with blunt end; proximal cymbial apophysis short, with blunt end; prolateral margin of cymbium provided with an outgrowth. Basal part of paracymbium with somewhat triangular projection with sharp pointed end; distal arm grooved, distally narrow with blunt end. Distal suprategular apophysis relatively strong sclerotized, distal end grooved. Radix longer than wide, with a long proximal radical apophysis. Lamella characteristca with basal sclerite, with two chitinised branches and one additional more or less transparent extension with frayed margin. Fickert’s gland present within radix. Terminal apophysis sclerotized, wing-shaped with pointed end. Embolus broad; distally relatively round with minute embolus proper and unmodified thumb.  Female( paratype, SWUC-T-LIN-09-02, Figs 22, 23B)  MEASUREMENTS. Total 2.65 long; carapace 1.08 long, 0.82 wide; abdomen 1.64 long, 1.26 wide. Eye sizes and interdistances: AME 0.07, ALE 0.10, PME 0.09, PLE 0.10, AME–AME 0.01, PME–PME 0.03, AME–ALE 0.06, PME–PLE 0.04, ALE–ALE 0.37, PLE–PLE 0.41, ALE–PLE contiguous, AME–PME 0.10.   Fig. 21.  Molestia pollicaris sp. nov., paratype ♂, embolic division (SWUC-T-LIN-09-03). A. Dorsal view. B. Ventral view.  CEPHALOTHORAX. Carapace yellow, cephalic region slightly elevated; fovea, cervical and radial grooves distinct. Clypeus 0.14 high.  CHELICERAE. With three promarginal and five retromarginal teeth.   Fig. 22.  Molestia pollicaris sp. nov., paratype ♀, epigyne (SWUC-T-LIN-09-02). A, C–D. Ventral view. B. Lateral view. E. Dorsal view.  LEG MEASUREMENTS. Legs long, yellow, covered with fine spines. Length of legs: I 4.63 (1.25, 1.44, 1.16, 0.78), II 3.97 (1.12, 1.22, 0.98, 0.65), III 3.10 (0.91, 0.95, 0.77, 0.47), IV 4.02 (1.19, 1.17, 1.05, 0.61). Leg formula I-IV-II-III. TmI 0.31 and TmIV absent. Tibial spine formula: 2-2-2-2.  ABDOMEN. Same as in male.  EPIGYNE( Fig. 22A–D). Scape longer than wide, with lateral pockets on inner surface. Stretcher absent. Posterior median plate broad, trapezoid. Spermathecae C-shaped, situates dorso–laterally.    Distribution Known from typelocality. 4126393367 2020-10-06 T L. Y. Wang & X. W. Zhou & T. Y. Ren & J. X. Zhao & L. Xiao China Wushan County 1681 31.3161 Zhuxian Township 1 110.089874 Guanyang Town 27 28 SWUC-T-LIN-09-01 1 1 Chongqing holotype 4126393337 2020-10-06 T L. Y. Wang & X. W. Zhou & Y. Ren & J. X. Zhao & L. Xiao China Wushan County 1681 31.3161 CHINA 1 110.089874 Guanyang Town 27 28 SWUC-T-LIN-09-02-30 29 17 12 Chongqing paratype 4126393354 2020-10-03 T L. Y. Wang & X. W. Zhou & T. Y. Ren & J. X. Zhao & L. Xiao China Wushan County 1970 31.396433 Dangyang Town 1 110.034256 Protection Station 27 28 SWUC-T-LIN-09-31-36 6 5 1 paratype 4126393321 2020-10-04 T L. Y. Wang & X. W. Zhou & T. Y. Ren & J. X. Zhao & L. Xiao China Wushan County 1832 31.372986 Guanyang Town 1 109.938126 Pingqian Management Station 27 28 SWUC-T-LIN-09-37-38 1 1 paratype 4126393339 2020-10-02 T L. Y. Wang & X. W. Zhou & T. Y. Ren & J. X. Zhao & L. Xiao China Wushan County 1740 31.472597 Wushanya 1 109.98619 Dangyang Town 27 28 SWUC-T-LIN-09-39-42 4 4 paratype 4126393305 2020-10-05 T L. Y. Wang & X. W. Zhou & T. Y. Ren & J. X. Zhao & L. Xiao China Wushan County 1575 31.27327 Zhuxian Township 1 110.096054 Guanyang Town 27 28 SWUC-T-LIN-09-43-44 2 2 paratype 4126393335 2020-10-03 T L. Y. Wang & X. W. Zhou & T. Y. Ren & J. X. Zhao & L. Xiao China Wushan County 2150 31.396433 Congping Mountain 1 110.04112 Dangyang Town 27 28 SWUC-T-LIN-09-45-53 9 3 6 paratype