Trilacuna taoyuanyu Ma & Tong 2024, sp. nov.

Trilacuna taoyuanyu Ma & Tong sp. nov. Figs 6 E, 7, 8 Material examined. Holotype: China • ♂ (SYNU-1178); Fujian Province, Wuyishan City, Wuyi Mountain Scenic Area, Taoyuanyu; 27°39'15"N, 117°56'54"E; 9. VI. 2013; C. Jin leg. Etymology. The specific name is a noun in apposition taken from the type locality. Diagnosis. The new species is similar to Trilacuna bawan Tong, Zhang & Li, 2019, but can be distinguished by the strongly elevated epigastric region and two strong setae on it (Fig. 7 H, I), vs slightly elevated, without strong setae (Tong et al. 2019: fig. 1 H, I), and the kidney-shaped palpal bulb (Fig. 8 A, C) vs oval, with deeply constriction on distal region (Tong et al. 2019: figs 2 A, B, 22 A, B). Description. Male (Holotype). Body: reddish brown, chelicerae and sternum lighter, legs yellow; habitus as in Fig. 7 A – C; body length 1.71. Carapace: 0.79 long, 0.63 wide; sides granulate, lateral margin rebordered (Fig. 7 D). Eyes: ALE largest, PLE and PME nearly equal sized; posterior eye row recurved from above, procurved from front; ALE separated from edge of carapace by 1.4 diameters (Fig. 7 D, G). Mouthparts: chelicerae straight; labium rectangular, anterior margin deeply incised; endites slender, distally branched (Figs 6 E, 7 E). Sternum: surface rugose, with several ridges on posterior area (Fig. 7 E). Abdomen: 0.92 long, 0.56 wide; booklung covers ovoid, surface smooth; sperm pore situated at level of anterior spiracles; apodemes present, posterior spiracles connected by groove; epigastric region strongly elevated, with 2 very long, strong setae (Fig. 7 H, I). Leg spination: legs I-II: tibia: v 2-2 - 2 - 2 - 0, metatarsus: v 2-2 - 0. Palp: orange; 0.54 long (0.19, 0.11, 0.09, 0.15); femur elongated (width / length = 0.59); bulb kidney-shaped, basally slightly bulged; embolus system with ear-shaped projection (bep) at base, with a lateral curved branch (lcb) and narrow medial branch (mb) (Fig. 8 A – L). Female. Unknown. Distribution. Known only from the type locality (Fig. 11).