Shaanxinus insectus Irfan, Zhang & Peng

Irfan, Muhammad, Zhou, Gu-Chun, Peng, Xian-Jin & Zhang, Zhi-Sheng, 2025, Survey of Linyphiidae spiders (Arachnida: Araneae) from some Oriental Regions of China, Megataxa 15 (1), pp. 1-248 : 167-168

publication ID

https://doi.org/10.11646/megataxa.15.1.1

DOI

https://doi.org/10.5281/zenodo.14985613

persistent identifier

https://treatment.plazi.org/id/03CD8788-8D9D-FF6E-4973-C952ACDBFEFF

treatment provided by

Plazi

scientific name

Shaanxinus insectus Irfan, Zhang & Peng
status

sp. nov.

Shaanxinus insectus Irfan, Zhang & Peng , sp. n.

(¤刻ọe)

Figures 216 View FIGURE 216 , 217 View FIGURE 217 , 315 View FIGURE 315

Types. Holotype ♀ ( HNU–HN– IV–1820 ), CHINA, Hunan Prov.: Zhangjiajie City, Sangzhi Co., Wudaoshui Town , Nanmuping Vill ., Badagong MNNR , 29.77403°N, 110.08311°E, 1337 m, 20.VII.2018, D. Li et al. leg GoogleMaps . Paratypes: 3♀, with same data as for holotype female ( HNU–HN– IV–1820 ) GoogleMaps ; 3♀, Zhangjiajie City, Sangzhi Co., Wudaoshui Town , Nanmuping Vill ., Badagong MNNR , 29.77486°N, 110.08446°E, 1321 m, 19.VII.2018, D. Li et al. leg. ( HNU–HN– IV–1818 ) GoogleMaps .

Etymology. The species name is combination of the Latin adjective “insectus ”, meaning “notched” and referring to the posterior margin of dorsal plate notched at center in ventral view in epigyne.

Diagnosis. Shaanxinus insectus sp. n. resembles S. longiembolus sp. n. and S. ovatus sp. n. in having the similar copulatory ducts present mid dorsally ( Figs 216A– D View FIGURE 216 ; Figs 220A–C View FIGURE 220 ; Figs 224A–C View FIGURE 224 ), but can be distinguished by the posterior margin of dorsal plate notched at center in ventral view in S. insectus sp. n. ( Figs 216A–D View FIGURE 216 ; vs. not notched both in S. longiembolus sp. n. and S. ovatus sp. n.); copulatory openings present ventro-laterally at the junction of dorsal and ventral plates in epigyne in S. insectus sp. n. ( Figs 216A–D View FIGURE 216 ; vs. present mid ventrally in S. longiembolus sp. n. and S. ovatus sp. n.).

Description. Female (holotype, Figs 217A, B View FIGURE 217 ): Total length: 2.96. Carapace 1.42 long, 1.02 wide, yellowish brown, cephalic region slightly elevated; fovea, cervical and radial grooves distinct. Clypeus 0.35 high. Chelicerae with four promarginal and five retromarginal teeth. Sternum longer than wide, brownish grey with microsetae. Eyes: AER recurved, PER procurved, slightly wider. Eye sizes and interdistances:AME 0.06, ALE 0.06, PME 0.06, PLE 0.07, AME–AME 0.03, PME–PME 0.06, AME– ALE, 0.03, PME–PLE 0.03, AME–PME 0.07, ALE–ALE 0.29, PLE–PLE 0.34, ALE–PLE contiguous. Length of legs: I 4.94 (1.51, 1.68, 1.24, 0.51), II 4.76 (1.41, 1.66, 1.15, 0.54), III 3.63 (1.11, 1.15, 0.92, 0.45), IV 4.29 (1.22, 1.37, 1.18, 0.52). Tibial spine formula: 2-2-2-2. TmI 0.86 and TmIV present. Opisthosoma 1.88 long, 1.12 wide, grey, dorsally with distinct black pattern, ventral side with braod greenish patch, posteriorly with one pair of round brown markings.

Epigyne ( Figs 216A–D View FIGURE 216 ): Ventral plate (VP) wider than long, covered with thick spines; posterior margin of dorsal plate (DP) notched at center in ventral view. Copulatory openings (CO) present ventro-laterally at the junction of dorsal and ventral plates; copulatory ducts (CD) with broad semicircular loop mid ventrally. Spermathecae (S) globular, present dorso-laterally, spaced by one and half diameters; fertilization ducts (FD) large, extending mesally.

Male. Unknown.

Distribution. Known only from the type localities (Hunan Province, Fig. 315 View FIGURE 315 ).

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Linyphiidae

Genus

Shaanxinus

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