Spinirta qizimeiensis, Jin & Zhang, 2020

Jin, Chi & Zhang, Feng, 2020, Spinirta gen. nov., a new dark sac spider genus from southern China (Araneae: Corinnidae), Zootaxa 4838 (3), pp. 301-330 : 325-327

publication ID

https://doi.org/ 10.11646/zootaxa.4838.3.1

publication LSID

lsid:zoobank.org:pub:112D4DC3-723A-4216-A608-3D03B392E973

DOI

https://doi.org/10.5281/zenodo.4404471

persistent identifier

https://treatment.plazi.org/id/F86787F2-FF93-FF8C-25C0-CAF77C711122

treatment provided by

Plazi

scientific name

Spinirta qizimeiensis
status

sp. nov.

Spinirta qizimeiensis View in CoL sp. nov. (AEṚḂḦẊĦ)

Figs 22–23 View FIGURE 22 View FIGURE 23

Type material. Holotype: ♀, CHINA: Hubei Province, Yien County, Qizimei Mountain (30°01.461′N, 109°45.377′E), 1932 m a.s.l., 12 August 2011, leg. Junfang Hu. GoogleMaps

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

Diagnosis. The female can be distinguished from other congeners by the oval-shaped atrium, which is longer than wide, and with longitudinal slit-like COs located posteriorly. Male unknown.

Description. Female ( Figs 22–23 View FIGURE 22 View FIGURE 23 ). Holotype: body 10.84 long; carapace 4.90 long, 4.13 wide, width: length = 0.84; abdomen 5.94 long, 3.66 wide. Diameters of eyes: AME 0.29, ALE 0.24, PME 0.26, PLE 0.24. Eye interdistances: AME–AME 0.18, AME–ALE 0.13, ALE–ALE 0.99, PME–PME 0.27, PME–PLE 0.33, PLE–PLE 1.41, ALE–PLE 0.15. OAW 1.69, CRW 2.48, OAW/CRW = 0.68. MOA 0.68 long, front width 0.74, back width 0.75. Clypeus height 0.39, 1.34 times AME diameter. Chelicerae with three promarginal teeth and four retromarginal teeth. Labium 0.75 long, 0.75 wide. Sternum 2.38 long, 2.20 wide. Measurements of legs: leg I 14.67 (4.14 + 1.78 + 3.55 + 3.21 + 1.99), II 14.24 (4.12 + 1.73 + 3.31 + 3.15 + 1.93), III 12.05 (3.43 + 1.59 + 2.66 + 2.76 + 1.61), IV 16.59 (4.59 + 1.73 + 3.91 + 4.45 + 1.91).

Epigyne ( Figs 22E View FIGURE 22 , 23A View FIGURE 23 ): atrium large, oval-shaped, longer than wide, with longitudinal slit-like COs located posteriorly. Vulva ( Figs 22F View FIGURE 22 , 23B View FIGURE 23 ): copulatory ducts anteriorly extremely inflated, partly membranous, running apart backward; accessory glands small, spherical; spermathecae separated by 2/3 the width of spermatheca.

Distribution. China (Hubei) ( Fig. 26 View FIGURE 26 ).

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Corinnidae

Genus

Spinirta

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