Clubiona zhanggureni, Yu & Li, 2019

Yu, Hao & Li, Shuqiang, 2019, On further species of the spider genus Clubiona Latreille, 1804 (Araneae, Clubionidae) from Xishuangbanna Rainforest, southwestern China, Zootaxa 4679 (2), pp. 201-230 : 216-220

publication ID 10.11646/zootaxa.4679.2.1

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Clubiona zhanggureni

sp. nov.

Clubiona zhanggureni View in CoL sp. nov.

Figs 13–14 View FIGURE 13 View FIGURE 14

Type material. Holotype: ♂ ( IZCAS Ar 34714), CHINA: Yunnan: Xishuangbanna, Mengla County, Menglun Town , Menglun Nature Reserve , Secondary tropical montane evergreen broad-leaved forest (N21º57.809′, E101º12.173′, 888 m), 4 August 2007, leg. G. Zheng (Fogging-CBIII) GoogleMaps . Paratype: 1♂ ( IZCAS Ar 34715), same data as holotype GoogleMaps .

Etymology. The specific name is after Prof. Dr. Zhang, Guren from Sun Yat-Sen University for his contribution on the systematics of Chinese clubionid species; noun (name) in genitive case.

Diagnosis. Males of Clubiona zhanggureni sp. nov. resemble those of C. digitata Dankittipakul, 2012 ( Dankittipakul et al. 2012: figs 1–3) in having similarly shaped embolus, and almost membranous conductor, but differ by: (1) retrolateral tibial apophysis with sharp apex ( Fig. 13B View FIGURE 13 ) (apically blunt in C. digitata ); (2) beak-shaped conductor with slightly sclerotized apex ( Figs 13B, E View FIGURE 13 ) (triangular conductor completely membranous in C. digitata ); (3) sperm duct represented by a reversed S-shaped course in ventral view ( Fig. 13D View FIGURE 13 ) (3-shaped course in C. digitata ).

Description. Male (holotype): Total length 6.16; prosoma 2.77 long, 1.99 wide; opisthosoma 3.12 long, 1.51 wide. Prosoma ( Figs 14 View FIGURE 14 A–C), long-oval, pars cephalica distinctly narrowed, in profile strongly raised, highest highest between PME and fovea; integument smooth, clothed with short fine hairs. Carapace reddish-brown, darker in front, without distinct colour pattern; fovea longitudinal and dark. Chelicerae protruding and wine-colored, with four promarginal and two retromarginal teeth. Labium and endites reddish-brown, longer than wide. Sternum yellowish-brown. Eyes: AER slightly recurved, PER wider than AER and almost straight in dorsal view. AME dark, other eyes light; with black rings. Eye sizes and interdistances: AME 0.15, ALE 0.10, PME 0.16, PLE 0.14, AME– AME 0.11, AME–ALE 0.10, PME–PME 0.27, PME–PLE 0.17, MOQL 0.23, MOQA 0.29, MOQP 0.46. Legs light brown, without distinct color markings. Leg formula: IV, I, II, III; leg measurements: I 8.95 (2.39, 3.00, 3.00, 0.55), II 7.39 (1.98, 3.07, 1.64, 0.70), III 6.27 (1.76, 2.10, 1.84, 0.57), IV 9.18 (2.34, 3.13, 3.02, 0.69). Opisthosoma ( Figs 14 View FIGURE 14 A–C) lanceolate, grayish, with conspicuous anterior tufts of hairs, dorsum with dense grey hairs and a broken dark median band, reaching half of opisthosoma length, posteriorly with six or seven chevrons; venter brown. Spinnerets purplish. Palp ( Figs 13 View FIGURE 13 A–E): RTA dark, small but strong, triangular, sharply pointed; bulb nearly oval, proapically and apically membranous, slightly excavated on prolatero-apical side to accommodate embolus; sperm duct distinct and sinuate, reversed S-shaped; embolus spiniform, originated at 9 o’clock position in prolateral view, tip slightly overpasses the genital bulb; conductor membranous except beak-shaped and slightly sclerotized apex; tegular apophysis absent.

Female: Unknown.

Distribution. Presently known only from the type locality.


Institute of Zoology, Chinese Academy of Sciences













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