Siamlema Zhao & Li, 2020

Zhao, Huifeng, Li, Shuqiang & Zhang, Aibing, 2020, Taxonomic revision of Telemidae (Arachnida, Araneae) from East and Southeast Asia, ZooKeys 933, pp. 15-93 : 15

publication ID

https://dx.doi.org/10.3897/zookeys.933.38653

publication LSID

lsid:zoobank.org:pub:AE87B5CF-9728-466B-AB05-6BFFFED802D4

persistent identifier

https://treatment.plazi.org/id/3D02F68F-741F-4045-A1D3-0B1A7F52A91B

taxon LSID

lsid:zoobank.org:act:3D02F68F-741F-4045-A1D3-0B1A7F52A91B

treatment provided by

ZooKeys by Pensoft

scientific name

Siamlema Zhao & Li
status

gen. nov.

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 View Figure 1 ) (vs. plate-shaped); males can be distinguished from those of Telema by having a cymbial apophysis (Fig. 20C View Figure 20 ) (vs. absent), a distinct dorsal spine present on the palpal tibia (Fig. 20C, D View Figure 20 ) (vs. absent), and the palpal femur is longer than the cymbium (Fig. 20C, D View Figure 20 ) (vs. shorter). Receptacle without tubes inside (Fig. 21A View Figure 21 ) (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 View Figure 1 ). 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 View Figure 21 ).

Distribution.

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

Composition.

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

Kingdom

Animalia

Phylum

Arthropoda

Order

Araneae

Family

Telemidae