Merizocera tengchong Li, 2020

Chang, Wan-Jin, Yao, Zhiyuan & Li, Shuqiang, 2020, Twenty-eight new species of the spider genus Merizocera Fage, 1912 (Araneae, Psilodercidae) from South and Southeast Asia, ZooKeys 961, pp. 41-118 : 41

Merizocera tengchong Li sp. nov. Figures 40 , 41 , 53

Type material.

Holotype: male (IZCAS), Gaoligongshan National Nature Reserve (24°49.74'N, 98°46.06'E, elevation 2177 m), Tengchong County, Baoshan, Yunnan, China, 21-22 June 2013, Z. Zhao and J. Liu leg. Paratype: 1 male (IZCAS), same data as holotype.

Etymology.

The specific name refers to the type locality; noun in apposition.

Diagnosis.

Males can be recognised from congeners by the webbed feet-like embolus with a basally attached, stalked apophysis bearing a globose tip (Fig. 40B ).

Description.

Male (holotype). Total length 1.53; carapace 0.67 long, 0.59 wide; abdomen 0.81 long, 0.49 wide. Carapace circular, brown, with dark brown radiating marks (Fig. 41C ). Fovea shallow. Thoracic region distinctly elevated medially. Clypeus, labium, and sternum dark brown. Abdomen slightly elongated, dark brown. Legs light brown; measurements: I 5.71 (1.50, 0.25, 1.76, 1.45, 0.75), II and III missing, IV 5.00 (1.31, 0.22, 1.53, 1.23, 0.71). Palp (Fig. 40A-D ): femur slender, thrice longer than patella; patella not swollen; tibia swollen proximally; cymbium with distal protrusion, 1/3 length of femur, length ratio of dorsal elongation and cymbium 0.47; bulb light brown, elongated pyriform, with embolus and conductor arising distally; embolus webbed feet-like with darken tip, attached with thin stalked apophysis bearing globose end, embolus length similar to bulb length; conductor needle-like and slightly bent, 1/4 as long as embolus.

Female. Unknown.

Distribution.

Known only from the type locality (China; Fig. 53 ).

Figures

Figure 40. Merizocera tengchong sp. nov., holotype male. A Bulb, dorsal view B bulb, retrolateral view C palp, prolateral view D palp, retrolateral view. Abbreviations: CO = conductor, CP = cymbial protrusion, EM = embolus, SA = stalked apophysis.

Figure 41. Merizocera tengchong sp. nov., holotype male. A Habitus, dorsal view B habitus, ventral view.

Figure 53. Distribution records of the new species of Merizocera from China and Myanmar. 1 M. baoshan sp. nov. 2 M. hponkanrazi sp. nov. 3 M. kachin sp. nov. 4 M. lincang sp. nov. 5 M. mainling sp. nov. 6 M. nyingchi sp. nov. 7 M. putao sp. nov. 8 M. tengchong sp. nov. 9 M. wenshan sp. nov. 10 M. wui sp. nov. 11 M. yuxi sp. nov.