Sinothomisus liae, Tang, Guo, Yin, Chang-Ming, Griswold, Charles & Peng, Xian-Jin, 2006

Tang, Guo, Yin, Chang-Ming, Griswold, Charles & Peng, Xian-Jin, 2006, Description of Sinothomisus gen. nov. with a new species from Yunnan Province, China (Araneae, Thomisidae), Zootaxa 1366, pp. 61-68 : 65-67

Sinothomisus liae sp. nov

Figs 1–13

Type material. Holotype male, CHINA, Yunnan, Gongshan County, Cikai Township, Shuanglawa, 27.77056°N, 98.65447°E to 27.76816°N, 98.64352°E, 1500–1540 m, 25 September 2002, D.H. Kavanaugh, P. Marek, and D.Z. Dong leg. (HNU-PEM02015). Paratypes: 1 ɗ and 1 Ψ, same data as holotype (HNU-PEM02015); 1 Ψ, Gongshan County, Dadang Park, 27.44348°N, 98.39525°E, 1496 m, 24 September 2002, C.M. Yin, X. Xu and H.M. Yan leg. (CAS-Xu 020309); 2 ɗ, Gongshan County, Dandang Park, 27.44390°N, 98.39485°E, 1578–1612 m, 26 September 2002, H.M. Yan leg. (CAS-Yan 020926); 1 Ψ, Gongshan County, 2 km from Gongshan Hotel, along the Road, 27.43287°N, 98.40572°E, 1442 m, 27 September 2002, C.M. Yin and X. Xu leg. (CAS-Xu 020612); 1 ɗ, Fugong County, South bank of Yimazi River, near Shidi Village, 26.95820°N, 98.86169°E, 1220 m, 27 April 2004, C. Griswold and D.H. Kavanaugh leg. (HNU-CGY 041603); 1 Ψ, Gongshan County, Cikai Township, Dandan Park, 1480–1550 m, 30 September 2002, C.M. Yin and X. Xu leg. (HNU-Xu 021207).

Etymology. The specific name is a patronym in honor of Prof. Heng Li (KIB), one of the leaders of the joint biodiversity survey to the Gaoligong Mountains from 1998–2006.

Diagnosis. Male tarsi of leg III and IV with scopulae on ventral side; male RTA long and large, combined with VTA basally, DTA small cone-shaped, tegulum with a ATA; female epigyne swollen at the median area, orifices small, and the posterior margin of female epigyne with a depression at each side, spermathecae convoluted.

Description. Male (holotype, PEM02015). Total length 3.10. Prosoma 1.54 long, 1.50 wide; opisthosoma 1.65 long, 1.35 wide. Prosoma somewhat convex with sparse long hairs. Carapace slightly blackish brown with black margin ( Fig. 2 ). The head area wide. Tubercles of ALE and PLE large and contiguous. Fovea, cervicle and radial grooves indistinct. A shallow dent on the mesal between the PME and the fovea. ALE 0.15, PLE 0.11, AME 0.05, PME 0.03 in diameter; AME–AME 0.16, AME–ALE 0.18, PME–PME 0.16, PME–PLE 0.32; MOA long 0.17 with front width 0.25 and back width 0.22. Clypeus yellowish brown, height 0.15. Chelicerae brown, without teeth, with long hairs on both margins of fang furrow ( Fig. 12 ). Gnathocoxa brown, length/width = 3/1; labium grayish black, length/width = 2/1. Sternum yellow, cordiform, margin with dense short hairs. Legs I, II blackish brown, legs III, IV yellow.

Leg measurements:

Legs with weak spines; tibia and metatarsus with stout spines on the prolateral, retrolateral and ventral sides. Spination of legs: femora: I prolateral 1-1, dorsal 1-1-1-1, II dorsal 0-1-0-1, III–IV dorsal 1-1-0-0; patellae: I–IV 0–1; tibiae: I prolateral 1-1-1, retrolateral 0-1-1, ventral 0-2-2, II prolateral 1-1-1, ventral 0-2-2, retrolateral 0-0-1, III–IV pro- and retrolateral 0-1, ventral 0-2, dorsal 1-1; metatarsi: I–II pro- and retrolateral 0-0-1, ventral 2-2-0, III–IV pro- and retrolateral 1-0, ventral 2-0. Tarsi of leg III, IV with scopulae on ventral side ( Fig. 13 ). Superior claw of tarsi with 12 teeth, inferior claws with 6 teeth. Opisthosoma flat, slight yellow with blackish brown patterning on dorsum ( Fig. 2 ). Dorsum covered with short black hairs, anteriorly with black, longitudinal markings; muscular depressions and cardiac stripe yellow and distinct; several small white spots beside the posterior muscular depressions; posterior area with three black chevron markings, end of opisthosoma slightly yellow, lateroventral opisthosoma with diagonal black stripes. Venter gray, with many short hairs, a small slight black marking on the center.

Male palp ( Figs 3–8 ): Male RTA long and large, combined with small VTA basally, DTA small cone-shaped, tegulum with ATA ( Figs 6–7 : ATA), embolus slender, filiform.

Female (one paratype). Body length 3.80. Prosoma 1.60 long, 1.50 wide; opisthosoma 1.80 long, 1.65 wide. Body color lighter than that of male. Carapace tent-shaped ( Fig. 1 ). ALE 0.13, PLE 0.08, AME 0.05, PME 0.03 in diameter; AME–AME 0.20, AME–ALE 0.20, PME–PME 0.22, PME–PLE 0.42, MOA long 0.16 with front width 0.30 and back Spination of legs: femora I prolateral 1-1-1-1, dorsal 0-1-1-1, II–III dorsal 0-1-1-0, IV dorsal 0-0-1-0; patellae 1-1; tibiae I–IV dorsal 1-1, ventral 2-2; metatarsi I–IV pro- and retrolateral 0-1, I–II ventral 2-2, III–IV ventral 2-0. Opisthosoma slight yellow, markings grayish black, marking shape same as those of male ( Fig. 1 ). The venter with a grayish black spots on the center.

Epigyne: median area swollen; orifices small; posterior margin with a depression at each side, copulatory ducts twist; spermathecae convoluted.

Variation. Body length: male 2.70–3.10 (n = 5), female 3.20–3.80 (n = 4). Carapace slightly brown to slightly blackish brown. The spots on posterior dorsum varied from white to yellow.

Figures

FIGURES 1 – 5. Sinothomisus liae sp. nov. 1 – 2. body, dorsal view: 1. female; 2. male; 3 – 5. left male palp (SEM photos): 3. prolateral view, 4. ventral view, 5. retrolateral view. Scale bars: 1 – 2, 1.0 mm; 3 – 5, 0.1 mm. DTA ––– distal tibial apophysis; RTA ––– retrolateral tibial apophysis; VTA ––– ventral tibial apophysis.

FIGURES 6 – 13. Sinothomisus liae sp. nov. 6 – 8. Left male palp. 6. prolateral view, 7. ventral view, 8. retrolateral view; 9. Epigyne, ventral view; 10. Vulva, dorsal view; 11. Vulva, basal view; 12. Left chelicere, male, posterior view; 13. male tarsus of leg IV; ATA = apical tegular apophysis. Scale bars: 6 – 12, 0.1 mm; 13, 1.0 mm