Merizocera yuxi Li sp. nov. Figures 50, 51, 53

Merizocera sp. 249: Li and Li 2018 (molecular data).

Type material.

Holotype: male (IZCAS), Guzhouyelin (24°6.63'N, 101°51.00'E, elevation 1987 m), Xinhua Town, Xinping County, Yuxi, Yunnan, China, 2 June 2015, Z. Chen and Y. Li leg. Paratypes: 1 male and 2 females (IZCAS), same data as holotype.

Etymology.

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

Diagnosis.

Diagnosis features of males and females are discussed in M. betong sp. nov. Males with swollen pyriform bulb, and embolus with a crinkly and flattened tip (Fig. 50B). Females with two pairs of tubular spermathecae (Fig. 51A).

Description.

Male (holotype). Total length 1.25; carapace 0.61 long, 0.51 wide; abdomen 0.62 long, 0.48 wide. Carapace circular, brown, with dark brown radiating marks (Fig. 51C). Fovea shallow. Thoracic region distinctly elevated medially. Clypeus and labium dark brown. Sternum dark brown, with dark radiating lines. Abdomen ovoid, dark brown. Legs light brown; measurements: I, III, and IV missing, II 3.11 (0.83, 0.20, 0.89, 0.70, 0.49). Palp (Fig. 50A-D): femur slender, four times longer than patella; patella not swollen; tibia not swollen; cymbium with distal protrusion, 1/3 length of femur, length ratio of dorsal elongation and cymbium 1.13; bulb pyriform, with embolus arising distally; embolus crinkly with flattened tip, with distinct swollen section medially, similar length as the tegular; conductor absent.

Female (paratype). Similar to male in colouration and general features but slightly larger (Fig. 51D, E). Measurements: total length 1.45; carapace 0.66 long, 0.54 wide; abdomen 0.79 long, 0.63 wide. Leg measurements: I 3.46 (0.90, 0.22, 1.01, 0.79, 0.54), II 2.99 (0.79, 0.20, 0.84, 0.67, 0.49), III missing, IV 3.69 (0.91, 0.21, 1.10, 0.84, 0.63). Epigastric area (Fig. 51B): dark brown, nearly trapezoidal patch. Endogyne (Fig. 51A) with two pairs of spermathecae, lateral pairs globose, median pairs clavate, lateral pairs attached basally with the median pairs.

Distribution.

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