Yaginumia qiong Mi & Wang 2025, sp. nov.
Creators: name: Mi, Xiaoqi
name: Wang, Cheng
name: Su, Ming
Publisher: name: Zenodo
Year: 2025
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Araneidae
Yaginumia
Yaginumia qiong

description: Yaginumia qiong Mi & Wang sp. nov.
Figs 3, 4, 7
Type material.
Holotype: China – Hainan Province, • ♂; Lingshui Li Autonomous County, Diaoluoshan National Nature Reserve, Popular Science Base; 18 ° 40.25 ' N, 109 ° 53.66 ' E; ca 260 m elev.; 26. VII. 2023; C. Wang et al. leg.; TRU - Araneidae -329. Paratypes: 10 ♀♀; same data as for holotype; TRU - Araneidae -330 –339 • 1 ♂; Ledong Li Autonomous County, Jianfeng Township, Jianfengling National Nature Reserve, Tianchi; 18 ° 44.45 ' N, 108 ° 51.49 ' E; ca 860 m elev.; 11. IV. 2019; C. Wang & Y. F. Yang leg.; TRU - Araneidae -340 • 1 ♀; Ledong Li Autonomous County, Jianfeng Township, Jianfengling National Nature Reserve, Yulingu; 18 ° 44.79 ' N, 108 ° 55.76 ' E; ca 630 m elev.; 15. IV. 2019; C. Wang & Y. F. Yang leg.; TRU - Araneidae -341 • 2 ♀♀; Ledong Li Autonomous County, Jianfeng Township, Jianfengling National Nature Reserve, Tianchi; 18 ° 44.82 ' N, 108 ° 51.64 ' E; ca 810 m elev.; 15. IV. 2019; C. Wang & Y. F. Yang leg.; TRU - Araneidae -342 –343.
Etymology.
The species name is a noun in apposition derived from Chinese pinyin qiong, short name of the type locality, Hainan.
Diagnosis.
See diagnosis of Y. medog Mi & Wang, sp. nov.
Description.
Male (holotype, Figs 3 H – J, 4). Total length 3.95. Carapace 2.00 long, 1.50 wide. Abdomen 2.25 long, 1.80 wide. Clypeus 0.05 high. Eye sizes and interdistances: AME 0.13, ALE 0.08, PME 0.10, PLE 0.08, AME – AME 0.13, AME – ALE 0.10, PME – PME 0.04, PME – PLE 0.23, MOA length 0.33, anterior width 0.38, posterior width 0.24. Leg measurements: I 6.70 (1.90, 2.45, 1.60, 0.75), II 5.90 (1.75, 2.05, 1.40, 0.70), III 3.60 (1.15, 1.15, 0.80, 0.50), IV 4.65 (1.40, 1.60, 1.10, 0.55). Carapace red brown in cephalic region and yellow in thoracic region. Cervical groove conspicuous. Chelicerae yellowish-brown, with five promarginal and three retromarginal teeth. Endites and sternum yellow. Labium yellow at base, with paler tip. Legs yellow to grayish-yellow, without annuli. Abdomen ~ 1.25 × longer than wide, dorsum grayish-brown with paler middle patch. Venter abdomen grayish-yellow. Spinnerets grayish-yellow.
Pedipalp (Fig. 4): tibia ~ 1.5 × longer than wide; paracybium extremely enlarged into disc, lobe-like distally; tegular projection triangular, with toothed inner edge; median apophysis rounded at base, tapered and curled distally; embolus almost straight, shorter than conductor; conductor weakly sclerotized, rounded distally; terminal apophysis longer than tegular projection, curved to C-shape in apical view.
Female (paratype TRU - Araneidae -330, Fig. 3 A, paratype TRU - Araneidae -341, Fig. 3 B – G). Total length 4.55. Carapace 2.20 long, 1.75 wide. Abdomen 3.20 long, 2.40 wide. Clypeus 0.08 high. Eye sizes and interdistances: AME 0.13, ALE 0.08, PME 0.10, PLE 0.08, AME – AME 0.13, AME – ALE 0.13, PME – PME 0.05, PME – PLE 0.25, MOA length 0.30, anterior width 0.38, posterior width 0.25. Leg measurements: I 6.50 (1.90, 2.40, 1.55, 0.65), II 5.75 (1.70, 2.10, 1.35, 0.60), III 3.70 (1.15, 1.25, 0.80, 0.50), IV 5.05 (1.65, 1.80, 1.10, 0.50). Habitus similar to that of male.
Epigyne (Fig. 3 A – D): ~ 1.71 × wider than long in ventral view, with short, tongue-shaped scape; copulatory openings rounded in ventral view, situated on ventral surface; copulatory ducts twisted, about equal length to spermathecal diameter; spermathecae rounded, nearly touching.
Variation.
Total length: ♂♂ 3.85–3.95 (N = 2); ♀♀ 4.25–5.70 (N = 13).
Distribution.
China (Hainan).
description: Published as part of Mi, Xiaoqi, Wang, Cheng & Su, Ming, 2025, Revision of the orb-weaving spider genus Yaginumia Archer, 1960 (Araneae, Araneidae) from China, pp. 169-184 in ZooKeys 1223 on pages 169-184, DOI: 10.3897/zookeys.1223.139465