Genus Siamlema Zhao & Li gen. nov.

Type species.

Siamlema changhai sp. nov. from Trang Province, Thailand.

Etymology.

The generic name is derived from “Siam”, referring to the old name of Thailand, and “-lema” is a convention from Telema, the type genus of the family. Feminine in gender.

Diagnosis.

Siamlema gen. nov. can be distinguished from Telema by the following: belt-shaped tibial glands (Fig. 1E) (vs. plate-shaped); males can be distinguished from those of Telema by having a cymbial apophysis (Fig. 20C) (vs. absent), a distinct dorsal spine present on the palpal tibia (Fig. 20C, D) (vs. absent), and the palpal femur is longer than the cymbium (Fig. 20C, D) (vs. shorter). Receptacle without tubes inside (Fig. 21A) (vs. receptacle with membranous tubes).

Description.

Total length: 0.92-1.11 (male), 1.04-1.20 (female). Carapace 0.41-0.48 long. Sternum with sparse setae. Eyes normally developed, vestigial, or absent. Leg formula: 1-2-4-3, tibia I 0.97-1.05 long, leg glands belt shaped (arrows on Fig. 1D). Male palp: cymbium, tibia, patella, and femur robust relative to bulb, femur longer than tibia and cymbium, dorsal spine present on distal part of palpal tibia, distinct cymbial apophysis located prolaterally on mesial part; bulb droplet-shaped or nearly globular; embolus sclerotized. Endogyne: receptacle tube-like or globular, without tubes inside (Fig. 21A).

Distribution.

Thailand (Trang, Yala, sites 7, 8 in Fig. 33).

Composition.

Siamlema changhai sp. nov. and S. suea sp. nov. (Fig. 34).