Grandilithus xiaohuangshan, Xu & Mu & Zhang & Zhang, 2023

Xu, Mengjiao, Mu, Yannan, Zhang, Chao & Zhang, Feng, 2023, Three new species of Grandilithus Liu & Li, 2022 (Araneae, Phrurolithidae) from southern China, ZooKeys 1183, pp. 205-217 : 205

publication ID	https://dx.doi.org/10.3897/zookeys.1183.113075
publication LSID	lsid:zoobank.org:pub:394D529E-6DAB-4317-883E-7C13C189E107
DOI	https://doi.org/10.5281/zenodo.10170642
persistent identifier	https://treatment.plazi.org/id/F7AB13E6-C2BD-4AB5-8CDF-BEF871120A06
taxon LSID	lsid:zoobank.org:act:F7AB13E6-C2BD-4AB5-8CDF-BEF871120A06
treatment provided by	ZooKeys by Pensoft
scientific name	Grandilithus xiaohuangshan
status	sp. nov.

Treatment

Grandilithus xiaohuangshan sp. nov.

Figs 3 View Figure 3 , 4 Chinese name: 小黄山大斑蛛 View Figure 4

Type material.

Holotype ♂ (HBUARA#2021-63): China: Xiaohuangshan Scenic Spot, the Nanling Mountain National Forest Park, Ruyuan County, Shaoguan City, Guangdong Province (24°53.72'N, 113°1.24'E; 1338 m a.s.l.), 23 May 2021, leg. Yannan Mu. Paratype: 2♀, with same data as holotype.

Etymology.

The specific epithet refers to the type locality.

Diagnosis.

This new species resembles G. florifer (Fu, He & Zhang, 2015) in having a similarly shaped embolus, but can be recognized by: 1) the different color pattern and lighter color (vs darker color, cf. Fig. 3 View Figure 3 with figs 21, 22 in Fu et al. 2015); 2) the broad tegulum (wider than cymbium), the small, arch-shaped tegular apophysis (vs tegulum thinner than cymbium, tegular apophysis long, straight, cf. Fig. 4B, C View Figure 4 with figs 25, 26 in Fu et al. 2015); 3) the thin median septum (vs wide, cf. Fig. 4E View Figure 4 with figs 27, 28 in Fu et al. 2015); 4) the thick and strong copulatory ducts (vs thin and small, cf. Fig. 4E, F View Figure 4 with figs 27, 28 in Fu et al. 2015); and 5) the long, straight spermathecae, with thin connecting tubes (vs connecting tubes thick, spermathecae short and curved, cf. Fig. 4F View Figure 4 with figs 27, 28 in Fu et al. 2015).

Description.

Male (holotype): total length 3.70, carapace 1.67 long, 1.48 wide; abdomen 2.03 long, 1.18 wide. Eye sizes and interdistances: AME 0.12, ALE 0.10, PME 0.08, PLE 0.09; AME-AME 0.06, AME-ALE 0.01, ALE-ALE 0.32, PME-PME 0.10, PME-PLE 0.06, PLE-PLE 0.40, ALE-PLE 0.10. EAW 0.54, CRW 0.75, EAW/CRW 0.72, CRW/CW 0.51. MOA 0.29 long, anterior width 0.30, posterior width 0.27. CH 0.12. CH/AME 1.00. Labium 0.16 long, 0.24 wide. Sternum 0.98 long, 0.80 wide. Leg measurements: I 9.10 (2.14, 0.62, 2.66, 2.20, 1.48), II 7.14 (1.82, 0.57, 1.90, 1.68, 1.17), III 5.95 (1.57, 0.49, 1.34, 1.58, 0.97), IV 8.94 (2.41, 0.56, 2.19, 2.49, 1.29), leg pattern: 1423. Spination: femur II-IV d 1, femur I pl 5, femur II pl 3, tibia I pv 8 rv 9, tibia II pv 8 rv 8, metatarsus I pv 4 rv 4, metatarsus II pv 4 rv 3.

Coloration. Carapace yellow-brown, with several patches resembling flowing droplets beside fovea. Abdomen fawn, with a small, yellow dorsal scutum anteriorly and black pattern posteriorly. A small, irregular, slightly sclerotized area in front of the spinnerets with black setae. Leg yellow-brown.

Palp as in Fig. 4A-D View Figure 4 . Femoral apophysis protruding. Tubercle indistinct. Retrolateral tibial apophysis with broad base, curved, with coracoid-shaped tip. Tegulum nearly circular, wider than cymbium; tegular apophysis small. Sperm duct distinct, tapering from retrolateral of tegulum to base of embolus. Embolus thin, curved, tip sharp.

Female (paratype): total length 4.78, carapace 2.03 long, 1.75 wide; abdomen 2.75 long, 2.17 wide. Eye sizes and interdistances: AME 0.14, ALE 0.12, PME 0.09, PLE 0.10; AME-AME 0.07, AME-ALE 0.01, ALE-ALE 0.34, PME-PME 0.11, PME-PLE 0.08, PLE-PLE 0.46, ALE-PLE 0.13. EAW 0.61, CRW 0.82, EAW/CRW 0.74, CRW/CW 0.95. MOA 0.32 long, anterior width 0.31, posterior width 0.30. CH 0.13, CH/AME 1.08. Labium 0.22 long, 0.30 wide. Sternum 1.18 long, 0.96 wide. Leg measurements: I 10.98 (2.52, 0.69, 3.06, 2.13, 2.58), II 8.31 (2.21, 0.66, 2.38, 1.79, 1.27), III 6.67 (1.81, 0.61, 1.46, 1.77, 1.02), IV 10.42 (2.87, 0.67, 2.50, 2.94, 1.44), leg pattern: 1 4 2 3. Spination: femur I pl 5, femur II d 1 pl 5, femur IV d 1, tibia I pv 9 rv 10, tibia II pv 9 rv 8, metatarsus I pv 4 rv 4, metatarsus II pv 4 rv 3.

Coloration. Carapace darker than male, with several patches resembling flowing droplets beside fovea. Abdomen black, with a small, white inverted triangular mark anteriorly. A small, irregular, slightly sclerotized area in front of the spinnerets with black setae. Leg yellow-brown.

Epigyne as in Fig. 4E, F View Figure 4 . Epigynal plate slightly sclerotized. Median septum narrow, inverted goblet-shaped. Copulatory openings distinct, separated by median septum. Copulatory ducts thick and strong, bent, J-shaped. Bursa medium, balloon-shaped, the right one larger than left in dorsal view. Glandular appendages large. Connecting tubes short, curved, thinner than copulatory ducts. Spermathecae long, clavate, separated from each other. Fertilization ducts located at posterior of spermathecae.

Distribution.

China: Guangdong Province (Fig. 7 View Figure 7 ).