Gongylidium dawolongense 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 : 75-77

Gongylidium dawolongense Irfan, Zhang & Peng , sp. n.

(大卧±圆ae)

Figures 94 , 95 , 312

Types. Holotype ♀ ( HNU–HB– IV–1707 ), CHINA, Hubei Prov.: Enshi Co., Xuaneng Co., Changtanghe Town , Dawolong Vill. , 30.06976°N, 109.74897°E, 839 m, 16.V.2017, G.C.Zhou & T. Tian leg.

Etymology. The specific epithet is derived from the type locality; adjective.

Diagnosis. The female of Gongylidium dawolongense sp. n. can be distinguished from all other congeners by the copulatory duct S-shaped and spermathecae globular ( Figs 94A–C ).

Description. Female ( Figs 95A, B ): Total length:1.21. Carapace 0.35 long, 0.42 wide, yellow, cephalic region slightly elevated, cervical and radial grooves distinct. Clypeus 0.09 high. Chelicerae with five promarginal and four retromarginal teeth. Sternum longer than wide, yellow with microsetae. Eyes: AER recurved, PER procurved, slightly wider than AER. Eye sizes and interdistances: AME 0.02, ALE 0.04, PME 0.03, PLE 0.04, AME–AME 0.01, PME–PME 0.04, AME–ALE, 0.02, PME–PLE 0.03, AME–PME 0.05, ALE–ALE 0.18, PLE–PLE 0.21, ALE– PLE contiguous. Length of legs: I 1.27 (0.39, 0.48, 0.21, 0.19), II 1.01 (0.34, 0.31, 0.19, 0.17) III 0.99 (0.31, 0.34, 0.18, 0.16), IV 1.23 (0.43, 0.46, 0.19, 0.15). TmI 0.18 and TmIV 0.16. Tibial spine formula: 2-2-1-1. Opisthosoma 0.86 long, 0.64 wide, oval, yellow.

Epigyne ( Figs 94A–C ): Ventral plate (VP) wider than long; dorsal plate (DP) rectangular, wider than long; copulatory opening (CO) present mid ventrally at the junction of dorsal and ventral plate; copulatory ducts (CD) form long loop before entering the spermathecae; spermathecae (S) globular, present dorsolaterally, spaced by three diameters; fertilization ducts (FD) short, extending mesally.

Male. Unknown.

Distribution. Known only from the type locality (Hubei Province, Fig. 312 ).

Figures

FIGURE 94. Gongylidium dawolongense sp. n., female holotype.A, B Epigyne, ventral view; C Vulva, dorsal view.Abbreviations: CD—copulatory duct; CO—copulatory opening; DP—dorsal plate; FD—fertilization duct; S—spermatheca; VP—ventral plate.

FIGURE 95. Gongylidium dawolongense sp. n., female holotype. A Habitus, dorsal view; B Habitus, ventral view.

FIGURE 312. Distribution of Linyphiidae species in Hubei Prov.: 2. Asiagone xingdouensis sp. n.; 3. Bathyphantes paracymbialis Tanasevitch, 2014; 4. Bifurcia cochlearis sp. n.; 5. Capsulia tianmushana (Chen & Song, 1987); 6. Dicristatus cordatus sp. n.; 7. Diplocephalus circularis sp. n.; 8. Erigone prominens Bösenberg & Strand, 1906; 9. Frontinella zhui Li & Song, 1993; 10. Gnathonarium dentatum (Wider, 1834); 11. Gongylidioides ensis sp. n.; 12. Gongylidioides microdontus sp. n.; 13. Gongylidium dawolongense sp. n.; 14. Gongylidium minutum sp. n.; 15. Gongylidium uncatum sp. n.; 16. Houshenzinus rimosus Tanasevitch, 2006; 17. Hylyphantes graminicola (Sundevall, 1830); 18. Indophantes wushanensis Irfan, Wang & Zhang, 2023; 1. Microneta maliuxiensis sp. n..