Kirinua zhengqi Lin & Li, 2024

Lin, Yejie, Li, Shuqiang, Mo, Haolin & Wang, Xihao, 2024, Thirty-eight spider species (Arachnida: Araneae) from China, Indonesia, Japan and Vietnam, Zoological Systematics 49 (1), pp. 4-98 : 63-64

Kirinua zhengqi Lin & Li , sp. nov. ( Figs 55–56 )

Etymology. The specific name is dedicated to Mr. Zhengqi Zhang, who has helped us greatly with this research; noun in apposition.

Diagnosis. The new species differs from that of K. maguai Li & Lin, 2021 by the atrium being wider than long (vs. higher than wide) and the fertilization ducts almost straight basally (vs. strongly curved).

Description. Female (holotype). Total length 0.73, carapace 0.17 long, 0.17 wide, opisthosoma 0.56 long, 0.45 wide. Leg measurements: I 0.88 (0.40, 0.40, 0.18, 0.26), II 1.10 (0.34, 0.35, 0.16, 0.25), III 0.51 (0.16, 0.15, 0.07, 0.13), IV 0.52 (0.20, 0.11, 0.08, 0.13).

Coloration ( Fig. 56 ). Carapace pale yellow, with irregular darker patches at thoracic area and margins, longer than wide, as long as high. Mouthparts pale brown. Clypeus slightly concave. Endites longer than wide. Labium wider than long, with shallow notch on anterior margin. Sternum light gray, slightly plump. Legs pale yellow. Opisthosoma pale, round in dorsal view and ovoid in lateral view, with sparse, long setae, posteriorly extended beyond spinnerets. Spinnerets light yellow.

Epigyne ( Fig. 55 ). Epigyne internal structures faintly visible via the translucent cuticle. Atrium wider than high. Vulva relatively complex. Copulatory ducts originate from posteromedial margin of spermathecae, curved outwards at sides of atrium, then extended dorsally. Spermathecae globose, near posterior margin, separated by about 3 diameters. Spermathecal ducts thinner than copulatory ducts, located dorso-posteriorly on copulatory ducts. Fertilization duct elongated, directed at 12:00-o’clock-position from spermatheca.

Material examined. Holotype ♀ (IZCAS-Ar44864), China: Guangxi, Chongzuo City, Fusui Co., Dongmen Township, Ziyao Vil., Yinhe Cave (22.3293°N, 107.7921°E, elev. 154 m), 13 VII 2011, Xiaoxiao Wang leg. Paratype. 1♀ (IZCASAr44865), same data as holotype .

Distribution. Known only from the type locality.

Figures

Figure 55. Kirinua zhengqi Lin & Li, sp. nov., holotype female.A. Epigyne, ventral view; B. Vulva, dorsal view.Abbreviations:A— atrium; CD—copulatory duct; CO—copulatory opening; FD—fertilization duct; S—spermatheca. Scale bars=0.03mm.

Figure 56. Kirinua zhengqi Lin & Li, sp. nov., holotype female, habitus. A. Dorsal view; B. Lateral view. Scale bars=0.2mm.