Loongcosa dentitegulum (Yin, Peng, Xie, Bao & Wang, 1997) comb. nov.

Common name. 齿盾龙蛛 Figs 1 F, G, 12, 13, 16

Pardosa dentitegulum Yin et al., 1997 a: 20, figs 8–13 (♂); Yin et al. 1997 b: 268, fig. 126 a – f (♂); Song et al. 1999: 330, fig. 194 S (♂); Yin et al. 2012: 838, fig. 419 a – f (♂).

Material examined.

China: 4 ♂ 2 ♀, Guangxi, Longsheng Co., Sanmen Town, Huaping National Nature Reserve, 25°37′54"N, 109°54′30"E, elev. 555 m, 30 April 2023, L. Y. Wang and Q. L. Lu leg. (SWUC) • 2 ♂ 5 ♀, Guangxi, Longsheng Co., Sanmen Town, Huaping National Nature Reserve, 25°36′19"N, 109°54′21"E, elev. 880 m, 1 May 2023, L. Y. Wang and Q. L. Lu leg. (SWUC) • 1 ♂ 1 ♀, Guizhou, Wuchuan Co., Hongsi Township, Yueliang Vill., Laohuba, 28°41′11"N, 108°09′25"E, elev. 983 m, 21 April 2013, X. K. Jiang leg. (SWUC) .

Diagnosis.

This species differs from L. wuyiensis by the short and C-shaped basoembolic apophysis with 2 arms in ventral view (BEA, Fig. 12 B, D, F) (vs long, hook-shaped with 3 arms, Fig. 14 B, D – F), epigyne with an anterior hood (AH, Fig. 13 C) (vs with 2 hoods, Fig. 15 C), and septum lacking stalk (Fig. 13 C) (vs having a stalk, Fig. 15 C).

Description.

Male (Fig. 13 A). Total length 6.38. Carapace 3.48 long, 2.77 wide; opisthosoma 2.91 long, 1.99 wide. Carapace greyish brown with distinct light median band and submarginal stripes, median band wide in cephalic part, with pair of dark dots, thoracic part of median band thin. Eye sizes and interdistances: AME 0.12, ALE 0.13, PME 0.41, PLE 0.33; AME – AME 0.13, AME – ALE 0.07, PME – PME 0.31, PME – PLE 0.32. Clypeus height 0.21. Leg measurements: I 8.41 (2.34, 3.01, 2.11, 0.95); II 8.05 (2.25, 2.72, 2.10, 0.98); III 8.28 (2.26, 2.65, 2.33, 1.04); IV 11.64 (2.79, 3.71, 3.81, 1.33).

Palp (Fig. 12): Basoembolic apophysis with 2 arms, anterior (aa) and posterior (pa), almost as long as tegulum. Embolus broad, short and arc-shaped. Terminal apophysis short, sclerotized and located posterior to embolus. Retrolateral tegular apophysis sclerotized, twice as long as wide, with a groove on the dorsal surface.

Female (Fig. 13 B). Total length 7.25. Carapace 3.42 long, 2.75 wide; opisthosoma 3.91 long, 2.99 wide. Colouration as in male. Eye sizes and interdistances: AME 0.13, ALE 0.13, PME 0.41, PLE 0.35; AME – AME 0.12, AME – ALE 0.09, PME – PME 0.33, PME – PLE 0.36. Clypeus height 0.15. Leg measurements: I 8.92 (2.54, 3.25, 2.12, 1.01); II 8.44 (2.54, 3.11, 1.87, 0.92); III 8.86 (2.68, 2.60, 2.36, 1.22); IV 12.18 (2.90, 4.01, 3.74, 1.53).

Epigyne (Fig. 13 C, D). Epigynal plate almost as long as wide, anterior hood (AH) unpaired. Septum originated beneath hood. Copulatory openings semicircular. Stalk of spermatheca C-shaped, head of spermatheca spherical, ca 1.7 times wider than stalk.

Distribution.

China (Hunan, Guizhou, Guangxi) (Fig. 16).