Spinirta quadrata Jin & Zhang, 2020

Wang, Lu-Yu, Irfan, Muhammad, Lu, Qian-Le, Zhang, Feng & Zhang, Zhi-Sheng, 2024, Six species of the spider genus Spinirta Jin & Zhang, 2020 from southern China (Araneae: Corinnidae), European Journal of Taxonomy 917 (1), pp. 74-93 : 84-85

publication ID	https://doi.org/ 10.5852/ejt.2024.917.2389
publication LSID	lsid:zoobank.org:pub:6825ED5F-600F-4871-B281-429D8B5F1BF3
DOI	https://doi.org/10.5281/zenodo.10476006
persistent identifier	https://treatment.plazi.org/id/1A6C9669-FF8E-FFD0-FDB0-99933C58FAC7
treatment provided by	Plazi
scientific name	Spinirta quadrata Jin & Zhang, 2020
status

Treatment

Spinirta quadrata Jin & Zhang, 2020 View in CoL

Figs 1E–F View Fig , 8–9 View Fig View Fig , 14 View Fig

Spinirta quadrata Jin & Zhang, 2020: 322 View in CoL View Cited Treatment , figs 3f, 18a–i, 19a–d (♂).

Chinese name

方刺Żü

Differential diagnosis

Female of Spinirta quadrata Jin & Zhang, 2020 can be distinguished from all other congeners by the atrium outline oval, wider than long, and accessory glands absent ( Figs 8 View Fig , 9C–D View Fig ).

Material examined

CHINA • 1 ♂; Chongqing City, Wuxi County, Shuangyang Township , Yintiaoling Natural Reserve , Hongqi Administrative Station ; 31°31′00″ N, 109°49′42″ E; alt. 1263 m; 16 Aug. 2022; T. Y. Ren leg.; SWUC-COSQ-01 GoogleMaps • 2 ♂♂, 1 ♀; Yintiaoling Natural Reserve, Hongqi Administrative Station ; 10–11 Aug. 2022; Q.L. Lu leg.; SWUC-COSQ-02 to 04 • 1 ♂, 1 ♀; Wuxi County, Shuangyang Township, Yintiaoling Natural Reserve , Laolingou ; 31°32′49″ N, 109°51′54″ E; alt. 1286.10 m; 11 Aug. 2022; T.Y. Ren leg.; SWUC-COSQ-05 , SWUC-COSQ-06 GoogleMaps • 1 ♂; Yintiaoling Natural Reserve, Linkouzi ; 31°28′28″ N, 109°52′40″ E; alt. 1289 m; 14 Aug. 2022; Q.L. Lu leg.; SWUC-COSQ-07 GoogleMaps • 1 ♀; Yintiaoling Natural Reserve, Linkouz ; 31°28′27″ N, 109°52′52″ E; alt. 1281 m; 16 Aug. 2022; B. Luo leg.; SWUC-COSQ-08 GoogleMaps .

Description

Male (SWUC-COSQ-01, Figs 1E View Fig , 9A View Fig ) MEASUREMENTS. Total length 11.15. Prosoma 5.80 long, 4.57 wide; opisthosoma 5.18 long, 3.65 wide.

Eye sizes and interdistances: AME 0.34, ALE 0.30, PME 0.32, PLE 0.33; AME–AME 0.18, AME– ALE 0.13, PME–PME 0.33, PME–PLE 0.36, ALE–PLE 0.15. MOA 0.90 long, anterior width 0.87, posterior width 0.95. Clypeus height 0.43.

CHELICERAE. With three promarginal and five retromarginal teeth.

LEG MEASUREMENTS. I = 16.23 (4.55, 5.72, 3.72, 2.24); II = 14.99 (4.21, 5.12, 3.50, 2.16); III = 12.79 (3.85, 4.30, 3.14, 1.50); IV = 17.72 (4.71, 5.91, 5.01, 2.09). Leg formula: 4123.

PALP ( Fig. 9E–G View Fig ). For description see Jin & Zhang (2020).

Female (SWUC-COSQ-04, Figs 1F View Fig , 9B View Fig )

MEASUREMENTS. Total length 13.65. Prosoma 5.48 long, 4.37 wide; opisthosoma 7.49 long, 5.59 wide. Eye sizes and interdistances: AME 0.30, ALE 0.28, PME 0.30, PLE, 0.29; AME–AME 0.20, AME– ALE 0.14, PME–PME 0.33, PME–PLE 0.35, ALE–PLE 0.16. MOA 0.83 long, anterior width 0.82, posterior width 0.90. Clypeus height 0.31.

LEG MEASUREMENTS. I = 14.92 (4.31, 5.38, 3.21, 2.02); II = 14.17 (4.22, 4.90, 3.16, 1.89); III = 12.04 (3.57, 4.10, 2.79, 1.58); IV = 17.01 (4.70, 5.74, 4.71, 1.86). Leg formula: 4123.

EPIGYNE ( Figs 8A View Fig , 9C View Fig ). Atrium oval, wider than long, copulatory openings located posteriorly deep inside the atrium.

VULVA ( Figs 8B View Fig , 9D View Fig ). Copulatory ducts L-shaped, anterior margin partly membranous; accessory glands absent; spermathecae round; fertilization duct large, extending mesally.

Distribution

China (Chongqing, Hubei) ( Fig. 14 View Fig ).