Pimoa mainling Zhang & Li, sp. nov.

Zhang, Xiaoqing, Lan, Tianqi, Nie, Lei & Li, Shuqiang, 2020, Eight new species of the spider genus Pimoa (Araneae, Pimoidae) from Tibet, China, ZooKeys 940, pp. 79-104 : 79

publication ID

https://dx.doi.org/10.3897/zookeys.940.49793

publication LSID

lsid:zoobank.org:pub:A9CF0232-8E42-454E-8650-82A9D74346D6

persistent identifier

https://treatment.plazi.org/id/32AF296A-4146-5023-A4D0-703BD62C056B

treatment provided by

ZooKeys by Pensoft

scientific name

Pimoa mainling Zhang & Li, sp. nov.
status

 

Pimoa mainling Zhang & Li, sp. nov. Figures 6 View Figure 6 , 7 View Figure 7 , 16 View Figure 16

Type material.

Holotype: ♂ (IZCAS-Ar40320), China, Tibet, Nyingchi, Mainling County, along the way from Zhagonggou Scenic Area to Ganlu Cave, 29.16°N, 94.23°E, elevation ca. 3440 m, 27.VIII.2018, X. Zhang and J. Liu leg. Paratypes: 2♀ (IZCAS-Ar40321-Ar40322), same data as holotype.

Etymology.

The specific name is a noun in apposition taken from the type locality.

Diagnosis.

The male of Pimoa mainling sp. nov. resembles P. binchuanensis (see Zhang and Li 2019: 3, figs 1, 2) but can be distinguished by the distally curved and nearly hook-shaped pimoid cymbial sclerite (Fig. 6B View Figure 6 , vs. medially curved and nearly U-shaped). The male of P. mainling also resembles P. crispa Hormiga, 1994 (see Hormiga 1994a: 63, figs 233-238; Hormiga 1994b: fig 1A, B) but can be distinguished by a distally narrow cymbial denticulate process with few cuspules (Fig. 6B View Figure 6 , vs. distally wide cymbial denticulate process with many cuspules). The female of P. mainling resembles P. crispa Hormiga, 1994 (see Hormiga 1994a: 63, figs 239-247) but can be distinguished by the distance between the pair of spermathecae which is ca. 1/3 the width of a spermatheca (Fig. 7A View Figure 7 , vs. shorter distance between spermathecae) and by the funnel-shaped epigyne, which is distally straight and long (Fig. 7A-D View Figure 7 , vs. triangular epigyne).

Description.

Male (holotype): Total length 5.06. Carapace 2.56 long, 2.18 wide. Abdomen 2.50 long, 2.05 wide. Eye sizes and interdistances: AME 0.16, ALE 0.17, PME 0.13, PLE 0.17; AME-AME 0.13, AME-ALE 0.17, PME-PME 0.10, PME-PLE 0.16. Leg measurements: I: 25.38 (6.99, 8.40, 7.49, 2.50); II: - (5.90, -, -, -); III: 13.52 (4.17, 4.23, 3.65, 1.47); IV: 16.79 (5.19, 5.38, 4.55, 1.67). Habitus as in Fig. 7E View Figure 7 . Carapace brownish with black lateral margins; thoracic fovea and radial grooves distinct; sternum brownish. Abdomen black with yellowish transverse chevron bands. Legs brownish with black annulations, especially distinct on legs III and IV. Palp (Fig. 6A-C View Figure 6 ): patella short, ca. 1/3 of tibial length, with one retrolateral macroseta; tibia almost the same length as cymbium, with several macrosetae and a dorsal process; paracymbium short, ca. 1/3 of cymbial length, hook-shaped; pimoid cymbial sclerite distally curved, ca. 1/2 of cymbial length; cymbial denticulate process short, distally narrow and blunt, with more than ten cuspules; median apophysis slender; conductor distinct; pimoid embolic process long, slightly wider distally; embolus beginning at the 7:30 o’clock position; embolic tooth absent.

Female (paratype): Total length 8.78. Carapace 3.40 long, 3.01 wide. Abdomen 5.38 long, 4.55 wide. Eye sizes and interdistances: AME 0.17, ALE 0.19, PME 0.19, PLE 0.20; AME-AME 0.15, AME-ALE 0.17, PME-PME 0.17, PME-PLE 0.21. Leg measurements: I: 21.22 (6.15, 7.37, 5.58, 2.12); II: 18.33 (5.32, 6.22, 4.74, 2.05); III: 13.14 (4.17, 4.10, 3.40, 1.47); IV: - (5.06, 5.51, 4.42, -). Habitus as in Fig. 7F, G View Figure 7 . Carapace yellowish with black lateral margins; thoracic fovea and radial grooves distinct; sternum brownish. Abdomen black with yellowish transverse chevron bands. Legs brownish with distinct black annulations on all legs. Epigyne (Fig. 7A-D View Figure 7 ): funnel-shaped; ventral and dorsal plates narrow; copulatory openings distinct; spermathecae nearly oval, separated by ca. 1/3 width of spermatheca; fertilization ducts membranous, anteriorly oriented.

Distribution.

Known only from the type locality, Tibet, China (Fig. 16 View Figure 16 ).

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Pimoidae

Genus

Pimoa