Sinartoria maolan sp. nov.

Figs 5, 6 (茂兰华阿狼蛛)

Type material.

Holotype • ♀ (SWUC -T-LY-23-01), China, Guizhou, Libo Co. Maolan National Nature Reserve, Bizuo Town, 25°16'59"N, 108°03'18"E, elev. 587 m, 28 April 2017, R. X. Jiang leg.

Etymology.

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

Diagnosis.

Female of Sinartoria maolan sp. nov. resembles S. nanling sp. nov. in having the small septum and spermathecal head subglobular (Figs 5 A, B, 6 B, C; Figs 7 A, B, 8 B, C), but can be differentiated from the latter by short spermathecal stalks, connected at the base (Figs 5 B, 6 C; vs. long, unconnected at the base) and proximally eggplant-shaped fertilization ducts (Figs 5 B, 6 C; vs. elliptical).

Description.

Female (holotype, Fig. 6 A) total length 4.88. Carapace 1.92 long, 1.40 wide; opisthosoma 2.66 long, 1.96 wide. Eye sizes and interdistances: AME 0.07, ALE 0.08, PME 0.30, PLE 0.22; AME – AME 0.07, AME – ALE 0.10, PME – PME 0.21, PME – PLE 0.25. Clypeus height 0.04. Chelicerae yellow brown. Labium and endites yellow brown, longer than wide. Sternum yellow brown, shield-shaped, with long brown setae. Leg measurements: I 5.39 (1.56, 1.89, 1.19, 0.75); II 4.93 (1.39, 1.69, 1.09, 0.75); III 4.72 (1.33, 1.45, 1.19, 0.75); IV 6.78 (1.93, 2.19, 1.77, 0.89). Leg formula: 4123. Opisthosoma yellow brown dorsally, ventral side yellowish brown.

Epigyne (Figs 5, 6 B, C). Septum extends posteriorly. Spermathecal stalks short, connected at the base. Fertilization ducts large, proximally eggplant-shaped.

Male. Unknown.

Habitat.

Beneath the humus stratum in deciduous broadleaf forests.

Distribution.

Known only from the type locality, Guizhou, China (Fig. 9).