Sanmenia tengchong, Tang, Griswold & Yin, 2009

Tang, Guo, Yin, Changmin, Peng, Xianjin & Griswold, Charles, 2009, Six Crab Spiders Of The Subfamily Stephanopinae From Southeast Asia (Araneae: Thomisidae), Raffles Bulletin of Zoology 57 (1), pp. 39-50 : 47-49

Sanmenia tengchong, Tang, Griswold & Yin , new species

( Figs. 6 A–F, 7)

Material examined. – Holotype – female ( HNU-YHY2202 ), Dengma Village (24°56'N 98°23'E), 1,113 m, Hehua Township,

Tengchong County, Yunnan Province, China, coll. P. Hu, 2 Jun.2006 .

Paratypes – 1 female (CaAS-YHY2202), same data as holotype .

Diagnosis. – This new species is similar to S. nigra, Tang, Griswold & Peng , new species, the differences are discussed in the “Diagnosis” of S. nigra . The new species can also be separated from S. gongshan Yang et al., 2006 , by: the abdomen with more dark markings and fewer white spots; the abdomen only with short white hairs (short white hairs and some long black hairs in S. gongshan ); the epigynal hoods laterally located (posteriorly located in S. gongshan ); the spermathecae curved, tube-shaped (pyriform in S. gongshan ).

Description. – Female. Total length 4.80–5.00. Holotype total length 4.80. Carapace 2.17 long, 1.93 wide; abdomen 2.54 long, 2.19 wide. Cephalothorax elevated moderately, carapace brown with short white hairs, with grayish black markings bilaterally and medially. Carapace flat on the head area. Carapace with 3 small black stripes behind the PER and extending backwards, the fovea black. Cervical grooves, radial grooves and fovea indistinct. Eye area with some long hairs. Tubercles of ALE and PLE grayish- white and continuous. Eye sizes and interdistances: ALE 0.13, PLE 0.12, PME 0.11, AME 0.05; AME-AME 0.08, AME-ALE 0.08, PME-PME 0.13, PME-PLE 0.14. Sternum yellow. Chelicerae, gnathocoxae, labium yellowish brown; chelicerae with scopulae on both margins of fang furrows; 3 promarginal and 3 retromarginal teeth. Legs grayish-yellow with grayish-black spots. Femora I swollen with 5 prolateral and 1 dorsal short spines. Tibiae I, II with 3 prolateral and 5 pairs of ventral spines; metatarsi I, II with 4 pairs of ventral spines. Leg measurements: I 6.98 (2.32, 2.96, 1.20, 0.50), II 6.66 (2.20, 2.86, 1.15, 0.45), III 4.80 (1.80, 1.90, 0.80, 0.30), IV 5.03 (1.80, 1.93, 0.90, 0.40); formula 1, 2, 4, 3. Abdomen nearly oval, dorsum covered with short white hairs, dorsum grayish-brown with paramedian grayish-black stripes and some small white spots; laterally grayish-black; venter grayish-brown with some small black spots. Epigyne with a pair of hoods laterally; copulatory ducts invisible; spermathecae curved, tube-shaped.

Male. Unknown.

Etymology. – The specific name refers to the type locality.

Distribution. – China (Yunnan Province, China).

Figures

Fig. 6. Sanmenia tengchong, Tang, Griswold & Yin, new species: A, habitus of female, holotype; B, habitus of female, paratype; C, E, epigyne; D, F, vulva. Scale bars: A–B = 1.0 mm, C–F = 0.1 mm.