Sinoderces wenshanensis Li & Li

Bai, Zilong, Li, Fengyuan & Li, Shuqiang, 2019, Ten new species of the spider genus Sinoderces Li & Li, 2017 from China, Laos and Thailand (Araneae, Psilodercidae), ZooKeys 886, pp. 79-111 : 79

publication ID	https://dx.doi.org/10.3897/zookeys.886.39212
publication LSID	lsid:zoobank.org:pub:FF4F3062-D283-4B5D-80C3-AEFC6361CE39
persistent identifier	https://treatment.plazi.org/id/34E03784-9051-4EF7-96E2-E36BD6ADA28C
taxon LSID	lsid:zoobank.org:act:34E03784-9051-4EF7-96E2-E36BD6ADA28C
treatment provided by	ZooKeys by Pensoft
scientific name	Sinoderces wenshanensis Li & Li
status	sp. nov.

Treatment

Sinoderces wenshanensis Li & Li View in CoL sp. nov. Figs 13 View Figure 13 , 14 View Figure 14 , 21 View Figure 21 , 22 View Figure 22

Types.

Holotype: ♂, Radio and television station hill, Xiqiao County, Wenshan, Yunnan Province, China, 23°25.980'N, 104°40.392'E, 1556 m, 17.V.2015, Li F. and Chen Z. leg. Paratypes: 2♀, same data as holotype.

Etymology.

The specific name refers to the name of the hill at the type locality; adjective.

Diagnosis.

Sinoderces wenshanensis sp. nov. can be distinguished from all other known species by the nearly parallel conductor and embolus ( Fig. 13D View Figure 13 ). The conductor is membranous ( Fig. 13 B–D View Figure 13 ). Palp nearly light yellow. Entrance duct is visible even before soaking them in lactic acid. Epigyne resembles a fan. Females have two pairs of spermathecae, with the inner pair together resembling the smile of a smiley face and the outer pair protruding anteriorly ( Fig. 14A, B View Figure 14 )

Description.

Male (holotype). Total length 1.72; carapace 0.62 long, 0.70 wide; abdomen 1.10 long, 0.60 wide. Carapace round, dark brown, with dark brown margins ( Fig. 14E View Figure 14 ). Clypeus light brown. Chelicerae light yellow. Cheliceral promargin with one tooth, followed by a lamina; retromargin with one small tooth ( Fig. 21G View Figure 21 ). Endites yellow. Labium light brown. Sternum dark brown. Legs brown, joints dark. Leg measurements: I missing, II missing, III missing, IV 7.05 (1.87, 0.25, 2.25, 1.75, 0.93). The abdomen is slightly distorted from preservation ( Fig. 14E View Figure 14 ). Opisthosoma brown. Spinnerets brown.

Male palp ( Fig. 13 View Figure 13 ): Bulb light, ovate, Conductor almost parallel to the palpal axis. Embolus arising terminally from the bulb, straight and needle-like. Conductor arising close to embolus, membranous. Embolus and conductor completely separated. Tibia, femur and trochanter light yellow with hairs.

Female (paratype). Similar to male in color and general features ( Fig. 14C, D View Figure 14 ). Sternum heart-shaped. Total length 1.72; carapace 0.63 long, 0.70 wide; abdomen 1.09 long, 0.61 wide. Carapace round and brown. Clypeus brown and chelicerae yellow. Endites dark yellow. Labium and sternum brown. Legs brown, joints dark. Leg measurements: I 6.78 (1.75, 0.31, 2.00, 1.72, 1.00), II 5.15 (1.31,0.31,1.56,1.25,0.72), III 4.13 (1.09, 0.31, 1.16, 0.94, 0.63), IV 6.06 (1.56, 0.31, 1.91, 1.47, 0.81). Abdomen elongated, with yellow pinstripe dorsally and ventrally.

Epigyne ( Fig. 14A, B View Figure 14 ): fan-like, brown, with sparse hairs. Other features described under Diagnosis ( Fig. 14A, B View Figure 14 ).

Distribution.

Known only from the type locality ( Fig. 22 View Figure 22 ).

Natural history.

Collected from leaf litter at an elevation of 1556 m.