Atypus liui Li & Xu, 2025

Atypus liui Li & Xu sp. nov.

Figs 4 View Figure 4 , 5 View Figure 5

Type material.

Holotype: China • ♂; Hunan Province, Linxiang City, Xiacaojiachong Village ; 29.50 ° N, 113.35 ° E; alt. 67 m; 24 June 2018; D. Q. Li, F. X. Liu, X. Xu, D. Li leg.; YY-2018-001 M GoogleMaps .

Paratypes: China • 1 ♂ 6 ♀♀; same data as for holotype; YY-2018-001 F – 006 GoogleMaps – Anhui Province • 1 ♀; Liuan City, Mount Mei ; 31.71 ° N, 115.93 ° E; alt. 88 m; 15 June 2017; F. X. Liu, H. Liu leg.; AH-2017-023 F GoogleMaps – Guangxi Zhuang Autonomous Region • 2 ♀♀; Guilin City, Yongfu County, Yongfu Town, Jingmen Village ; 25.01 ° N, 109.96 ° E; alt. 117 m; 6 August 2024; X. Xu, Y. X. Li, Y. C. Xiong, S. S. Han leg.; ATY-2024-023 , 024 GoogleMaps – Guizhou Province • 2 ♂♂ 18 ♀♀; Qiandongnan Miao and Dong Autonomous Prefecture, Danzhai County, Xingren Town, Wudi Village ; 26.24 ° N, 107.76 ° E; alt. 872 m; 8 August 2023; ATY-2023-095 A – 104 D GoogleMaps • 4 ♀♀; Qiannan Buyi and Miao Autonomous Prefecture, Duyun City, Yundong Town, Bagu Village ; 26.24 ° N, 107.69 ° E; alt. 851 m; 8 August 2023; ATY-2023-089 , 092 B – 094 GoogleMaps • 8 ♀♀; Qiannan Buyi and Miao Autonomous Prefecture, Guiding County, Changming Town, Muyang Village ; 26.27 ° N, 107.22 ° E; alt. 1089 m; 7 August 2023; ATY-2023-073 , 074, 076, 077, 082 A – 082 D GoogleMaps • 1 ♀; Qiandongnan Miao and Dong Autonomous Prefecture, Danzhai County, Xingren Town, Machewan Village ; 26.29 ° N, 107.80 ° E; alt. 887 m; 8 August 2023; X. Xu, Y. X. Li, Y. C. Xiong, S. S. Han leg.; ATY-2023-105 GoogleMaps • 1 ♂ 9 ♀♀; Qiandongnan Miao and Dong Autonomous Prefecture, Sansui County, Kongjiawan Village ; 26.94 ° N, 108.94 ° E; alt. 660 m; 16 August 2018; AT-2018-050 – 058 GoogleMaps • 1 ♀; Qiandongnan Miao and Dong Autonomous Prefecture, Cengong County, Xiajiaao Village ; 27.46 ° N, 108.83 ° E; alt. 556 m; 17 August 2018; AT-2018-060 GoogleMaps • 7 ♀♀; Tongren City, Jiangkou County, Fanjingshan, Huangjiaba Village ; 27.86 ° N, 108.78 ° E; alt. 547 m; 18 August 2018; F. X. Liu, D. Li, X. Xu, D. Q. Li, L. Yu leg.; AT-2018-064 , 066–071 GoogleMaps • 1 ♀; Tongren City, Yanhe Tujia Autonomous County, Heishui Town, Cuantang Village ; 28.60 ° N, 108.43 ° E; alt. 721 m; 11 September 2021; ATY-2021-014 GoogleMaps • 7 ♀♀; Zunyi City, Fenggang County, Yong’an Town, Zhengjiawan Village ; 28.10 ° N, 107.59 ° E; alt. 939 m; 13 September 2021; ATY-2021-015 – 019, 021, 022 GoogleMaps • 1 ♀; Zunyi City, Suiyang County, Wenquan Town, Shuanghe Village , Tianjiawan ; 28.24 ° N, 107.29 ° E; alt. 966 m; 14 September 2021; ATY-2021-023 GoogleMaps • 13 ♀♀; Zunyi City, Meitan County, Huangjiaba Town, Niuchang Village , Zhujiawan ; 27.70 ° N, 107.40 ° E; alt. 802 m; 15 September 2021; ATY-2021-040 – 048 D GoogleMaps • 2 ♀♀; Zunyi City, Suiyang County, Tiantai Forest Park ; 27.96 ° N, 107.18 ° E; alt. 955 m; 15 September 2021; X. Xu, Z. Y. Chen, Y. Zhan, Y. Zhang leg.; ATY-2021-029 , 030 GoogleMaps – Henan Province • 3 ♀♀; Dengfeng City, Shaolin Temple ; 34.49 ° N, 112.93 ° E; alt. 704–843 m; 22 August 2016; LIF-2016-334 , 336, 337 GoogleMaps • 11 ♀♀; Xinxiang City, Baligou Scenic Spot, Tianhe Waterfall ; 35.59 ° N, 113.53 ° E; alt. 679–758 m; 20 August 2016; F. X. Liu, Z. T. Zhang, H. Liu, F. Li leg.; LIF-2016-312 – 321 - 1 GoogleMaps – Hubei Province • 3 ♀♀; Enshi City, Phoenix Forest Park ; 30.28 ° N, 109.48 ° E; alt. 450–470 m; 27 March 2016; F. X. Liu, F. Li leg.; LIF-2016-045 , 047, 049 GoogleMaps • 3 ♀♀; Enshi Tujia and Miao Autonomous Prefecture, Hefeng County, Taiping Town, Zhongping Village ; 29.79 ° N, 109.87 ° E; alt. 959 m; 13 August 2022; ATY-2022-047 , 048 A, 048 D GoogleMaps • 2 ♀♀; Enshi Tujia and Miao Autonomous Prefecture, Hefeng County, Yanzi Town, Shilongdong Village ; 29.93 ° N, 110.16 ° E; alt. 1188 m; 13 August 2022; ATY-2022-045 , 046 GoogleMaps • 5 ♀♀; Enshi Tujia and Miao Autonomous Prefecture, Laifeng County, Sanhu Town, Datang Village ; 29.58 ° N, 109.32 ° E; alt. 638 m; 14 August 2022; ATY-2022-049 – 050 B, 050 D GoogleMaps • 2 ♀♀; Enshi Tujia and Miao Autonomous Prefecture, Xianfeng County, Qujiang Town, Gaopo Village ; 29.60 ° N, 109.02 ° E; alt. 857 m; 14 August 2022; ATY-2022-051 , 051 B GoogleMaps • 2 ♀♀; Yichang City, Wufeng Tujia Autonomous County, Changleping Town, Dawan Village ; 30.19 ° N, 110.71 ° E; alt. 903 m; 12 August 2022; ATY-2022-024 , 025 GoogleMaps • 9 ♀♀; Yichang City , Wufeng Tujia Autonomous County; 30.16 ° N, 110.77 ° E; alt. 1076–1083 m; 12 August 2022; ATY-2022-015 – 021 A, 021 C GoogleMaps • 9 ♀♀; Yichang City, Wufeng Tujia Autonomous County, Wantan Town, Honglie Village ; 30.02 ° N, 110.41 ° E; alt. 1110 m; 13 August 2022; ATY-2022-026 – 028, 031–035 A GoogleMaps • 7 ♀♀; Yichang City, Wufeng Tujia Autonomous County, Wantan Town ; 30.05 ° N, 110.36 ° E; alt. 1248 m; 13 August 2022; X. Xu, Y. Zhan, Y. Zhang leg.; ATY-2022-037 – 042, 044 GoogleMaps • 4 ♀♀; Jianshi County; 30.57 ° N, 109.72 ° E; alt. 680 m; 7 October 2018; HB-2018-002 , 004, 007, 010 GoogleMaps • 2 ♀♀; Lichuan City, Tenglong Cave ; 30.34 ° N, 108.98 ° E; alt. 1070 m; 6 October 2018; F. X. Liu, Z. C. Li leg.; HB-2018-003 , 009 GoogleMaps • 1 ♀; Lichuan City, Longtan Village ; 30.30 ° N, 108.90 ° E; alt. 1092 m; 26 March 2016; F. X. Liu, F. Li leg.; LIF-2016-031 GoogleMaps • 1 ♂ 2 ♀♀; Xianning City, Maqiao Town ; 29.80 ° N, 114.36 ° E; 3 June 2017; F. X. Liu, C. Zeng leg.; XN-2017-001 – 003 GoogleMaps • 1 ♀; Xianning City, Tingsi Town ; 29.82 ° N, 114.17 ° E; alt. 73 m; 12 March 2016; LIF-2016-016 GoogleMaps • 3 ♂♂ 6 ♀♀; Xianning City, Taiyi Avenue, Jinchahua Farm ; 29.80 ° N, 114.32 ° E; alt. 27 m; 13 July 2017; F. Li leg.; Jch- 2017-001 – 010 GoogleMaps – Hunan Province • 1 ♀; Loudi City, Louxing District, Yijiazhou Village ; 27.69 ° N, 111.95 ° E; alt. 130 m; 9 August 2018; AT-2018-017 GoogleMaps • 5 ♀♀; Huaihua City, Hongjiang City, Lingshang Village ; 27.29 ° N, 110.40 ° E; alt. 836 m; 11 August 2018; AT-2018-025 – 028 A GoogleMaps • 2 ♀♀; Huaihua City, Hongjiang City, Xuefeng Town, Jiejiao Village ; 27.29 ° N, 110.40 ° E; alt. 967 m; 11 August 2018; AT-2018-030 C , 030 D GoogleMaps • 2 ♀♀; Changde City, Dingcheng District, Huayanxi ; 28.73 ° N, 111.52 ° E; alt. 123 m; 21 August 2018; AT-2018-095 , 095 A GoogleMaps • 4 ♀♀; Huaihua City, Yuanling County, Maopingtou Village ; 28.46 ° N, 110.55 ° E; alt. 365 m; 21 August 2018; F. X. Liu, D. Li, X. Xu, D. Q. Li, L. Yu leg.; AT-2018-088 , 091, 093, 094 GoogleMaps • 7 ♀♀; Shimen County, Hupingshan Town, Sanhe Village; 30.09 ° N, 110.80 ° E; alt. 760 m; 25 October 2018; AT-2018-097 – 103 • 1 ♀; Hengyang City, Gouloufeng ; 27.12 ° N, 112.63 ° E; alt. 660–800 m; 28 October 2018; F. X. Liu leg.; AT-2018-105 GoogleMaps • 1 ♀; Changde City, Shimen County, Huping Mountain Scenic Area, Hupingshan Village ; 30.11 ° N, 110.77 ° E; alt. 1060 m; 22 September 2019; ATY-2019-022 GoogleMaps • 2 ♀♀; Zhangjiajie City, Zhangjiajie National Forest Park , 29.39 ° N, 110.49 ° E; alt. 1109–1154 m; 24 September 2019; X. Xu, D. Q. Li leg.; ATY-2019-031 , 033 GoogleMaps • 1 ♀; Liuyang City, Mount Dawei ; 28.41 ° N, 114.06 ° E; alt. 700 m; 9 May 2021; X. Xu leg.; ATY-2021-002 GoogleMaps • 2 ♀♀; Huaihua City, Xupu County, Nanhe Village ; 28.17 ° N, 110.78 ° E; alt. 255 m; 7 September 2021; X. Xu, Z. Y. Chen, Y. Zhan, Y. Zhang leg.; ATY-2021-004 , 005 GoogleMaps • 1 ♀; Shaoyang City, Dongkou County, Gaosha Town, Yangsiqiao Village ; 26.93 ° N, 110.62 ° E; alt. 330 m; 24 August 2022; X. Xu, Y. Zhan, Y. Zhang, Y. X. Li leg.; ATY-2022-077 D GoogleMaps • 1 ♀; Shaoyang City, Wugang City, Caoqi Village ; 26.78 ° N, 110.69 ° E; alt. 321 m; 11 August 2023; X. Xu, Y. X. Li, Y. C. Xiong, S. S. Han leg.; ATY-2023-153 GoogleMaps • 1 ♀; Hengyang City, Hengyang County, Guanshi Town ; 26.90 ° N, 112.07 ° E; alt. 183 m; 4 August 2024; X. Xu, Y. X. Li, Y. C. Xiong, S. S. Han leg.; ATY-2024-009 A GoogleMaps – Jiangxi Province • 1 ♂ 23 ♀♀; Jiujiang City, Mount Lu ; 29.55 ° N, 115.98 ° E; alt. 1044– 1010 m; 22 May 2017 and 24 May 2018; F. X. Liu, H. Liu, Z. C. Li leg.; LS-2017-001 – 004, 007–010, LS-2018-001 – 016 M GoogleMaps • 1 ♀; Jiujiang City, Lianxi District, Nanshan Park ; 29.67 ° N, 115.99 ° E; alt. 50 m; 3 September 2023; ATY-2023-216 GoogleMaps • 1 ♀; Pingxiang City, Anyuan District, Gaokeng Town, Luojiatang Village ; 27.64 ° N, 113.94 ° E; alt. 182 m; 26 August 2023; ATY-2023-167 GoogleMaps • 2 ♀♀; Xinyu City, Yushui District, Baoshi Park ; 27.80 ° N, 114.93 ° E; alt. 79 m; 27 August 2023; X. Xu, Y. Zhang, Y. X. Li, J. Y. Yuan leg.; ATY-2023-170 , 171 B GoogleMaps .

Diagnosis.

The male palp of A. liui sp. nov. resembles those of A. heterothecus Zhang, 1985 and A. largosaccatus Zhu, Zhang, Song & Qu, 2006 in having the apex of the embolus pointing toward the tibia, but the new species can be distinguished from the others by its slightly longer embolus and slightly larger conductor (Fig. 4 J – N View Figure 4 ), and by the less excurved distal edge of the embolus (Fig. 4 K – M View Figure 4 ). Female genitalia of A. liui sp. nov. resemble those of A. largosaccatus by the similarly sized receptacula with slightly long stalks, but the new species can be distinguished from the latter by the genital atrium, which has larger, paired oval lateral pore patches (Fig. 5 View Figure 5 ), and from A. karschi Dönitz, 1887 by the slightly longer stalks (Fig. 5 A – H View Figure 5 ) with incrassate bases (Fig. 5 A – Q View Figure 5 ).

Description.

Male (holotype). TL (including chelicerae) 11.33. CL 4.10, CW 3.30, AL 4.42, AW 2.74. Carapace smooth and reddish brown. Fovea transverse with radial grooves, occupying about 1 / 7 of carapace width at that point (Fig. 4 A View Figure 4 ). Eye diameter: AME 0.24, ALE 0.23, PME 0.15, PLE 0.18, AME – AME 0.23, AME – ALE 0.11, PME – PME 0.65, PME – PLE 0.02. MOA 0.50, front width 0.70, back width 1.19. Labium wider than long. Chelicerae reddish brown, with 13 teeth in a single row on promargin, distal two teeth obvious small (Fig. 4 C View Figure 4 ). Sternum dark reddish brown, 2.47 long, 2.36 wide. Sigilla deeply imprinted, with first pair attaching to anterior margin of sternum; second pair rounded, third and fourth pairs oval (Fig. 4 B View Figure 4 ). Abdomen light brown and oval, with a nearly oval dorsal scutum. Spinnerets six: ALS 0.36 long, PMS 0.71 long, PLS with four segments: basal 0.51, median 0.49, subapical 0.46, apical 0.42. Palpal femur lacking furrow in prolateral side. Legs slender and light yellow. Granular texture only on the prolateral side of femur I. Metatarsus IV with one dorsal spine. Leg measurements: Leg I 12.00 (3.91, 1.67, 2.09, 2.60, 1.73), Leg II 9.91 (2.84, 1.50, 1.70, 2.30, 1.57), Leg III 9.62 (2.55, 1.29, 1.49, 2.46, 1.83), Leg IV 12.40 (3.50, 1.43, 2.13, 3.30, 2.04).

Palp. Conductor with an excurved distal edge (Fig. 4 I, M, N View Figure 4 ); long embolus straight and separated from conductor distally (Fig. 4 H, J View Figure 4 ).

Female ( YY-2018-001 F). TL (including chelicerae) 19.38. CL 5.82, CW 5.61, AL 9.26, AW 6.95. Carapace smooth and yellowish brown, with black margin. Fovea transverse, occupying about 1 / 5 of carapace width at that point (Fig. 4 D View Figure 4 ). Eye diameters: AME 0.27, ALE 0.27, PME 0.17, PLE 0.16, AME – AME 0.40, AME – ALE 0.25, PME – PME 1.13, PME – PLE 0.09. MOA 0.60, front width 0.87, back width 1.82. Chelicerae reddish brown, with 15 teeth on promargin in a single row (Fig. 4 F View Figure 4 ). Sternum orange-brown, with a dense covering of short hairs, 4.37 long, 4.44 width. Labium wider than long (Fig. 4 E View Figure 4 ). Abdomen dark brown, with an obvious dorsal scutum. Six spinnerets: ALS 0.59 long, PMS 1.33 long, PLS with four segments: basal 1.02, median 0.97, subapical 0.83, apical 0.76. Legs orange-brown, with a dense covering of long hairs and spines; all metatarsus with dorsal spines; metatarsus IV with 10 dorsal spines. Leg measurements: Leg I 13.51 (5.05, 2.45, 2.09, 2.44, 1.48), Leg II 11.25 (3.93, 2.39, 1.56, 1.97, 1.40), Leg III 9.69 (3.16, 2.10, 1.43, 1.93, 1.07), Leg IV 11.7 (3.87, 2.14, 1.88, 2.70, 1.11).

Vulva. Genital atrium short, with a pair of large, oval lateral pore patches; two pairs of bulbous receptacula, with long and incrassate stalks; two pairs of similarly sized receptacula attached to the anterior margin or slightly ventral side of genital atrium (Fig. 5 A – Q View Figure 5 ).

Variation.

Males and females vary in body size and the number of cheliceral teeth. Measurements for males are as follows (N = 9): TL 9.53–15.93, CL 3.04–4.66, CW 2.91–4.96, AL 3.31–5.91, AW 2.22–4.45. The number of cheliceral teeth ranges from 10 to 16 (N = 9). Measurements for females (N = 210) are as follows: TL 8.09–22.26, CL 2.52–6.40, CW 2.8–6.88, AL 2.69–11.60, AW 2.59–8.77. The number of cheliceral teeth varies from 6 to 21 (N = 210). In addition, the female genitalia exhibit intraspecific variations. Two pairs of receptacula exhibit either long stalks (Fig. 5 A – H, O, Q View Figure 5 ) or slightly short stalks (Fig. 5 I – N, P View Figure 5 ). Two pairs of receptacula are positioned on the anterior margin of the genital atrium (Fig. 5 A – H, J – K, M – N, P View Figure 5 ) or the middle pair are situated on the ventral side of the genital atrium (Fig. 5 I, L, O, Q View Figure 5 ). The vulva typically possesses either four receptacula (Fig. 5 A – O, Q View Figure 5 ) or three receptacula (Fig. 5 P View Figure 5 ), or with one of the lateral receptacula having two small protuberances on the top (Fig. 5 O View Figure 5 ).

Etymology.

The specific name is dedicated to Mr Fengxiang Liu for his kind instructions on the collection.

Distribution.

China (Anhui, Guangxi, Guizhou, Henan, Hubei, Hunan, Jiangxi).