taxonID	type	description	language	source
8A45ED60E99953BA8E19B3AC179E2B60.taxon	description	Figs 2, 3, 4, 5, 6 A, B Common name: 蔓耗三窝蛛	en	Dai, Chengzhi, Chen, Qiang, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2025): Two new species of Trilacuna Tong & Li, 2007 (Araneae, Oonopidae) from Yunnan Province, China, with a key to all known Trilacuna species of Yunnan. ZooKeys 1248: 17-32, DOI: 10.3897/zookeys.1248.158273
8A45ED60E99953BA8E19B3AC179E2B60.taxon	etymology	Etymology. The specific name is a noun in apposition taken from the type locality.	en	Dai, Chengzhi, Chen, Qiang, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2025): Two new species of Trilacuna Tong & Li, 2007 (Araneae, Oonopidae) from Yunnan Province, China, with a key to all known Trilacuna species of Yunnan. ZooKeys 1248: 17-32, DOI: 10.3897/zookeys.1248.158273
8A45ED60E99953BA8E19B3AC179E2B60.taxon	diagnosis	Diagnosis. The new species is similar to T. longling in the shape of bulb, the small dark spot on male epigastric region and the rugose sternal surface, but can be distinguished by the sternum with two clusters of short, thick setae on posterior part (Fig. 2 D) vs. lacking, but with many rows of small ridges (Tong et al. 2019: fig. 13 E), the cymbium with two extremely long, flat setae (Fig. 4 A, C, E, H) vs. lacking (Tong et al. 2019: fig. 14 A), and the anterior margin of female postgastric scutum smoothly curved (Fig. 6 A) vs. with a small notch at middle (Tong et al. 2019: fig. 24 I).	en	Dai, Chengzhi, Chen, Qiang, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2025): Two new species of Trilacuna Tong & Li, 2007 (Araneae, Oonopidae) from Yunnan Province, China, with a key to all known Trilacuna species of Yunnan. ZooKeys 1248: 17-32, DOI: 10.3897/zookeys.1248.158273
8A45ED60E99953BA8E19B3AC179E2B60.taxon	description	Description. Male. Body: yellow-brown, legs yellow; habitus as in Fig. 2 A, C, E; body length 1.48. Carapace (Fig. 2 B, F): 0.74 long, 0.59 wide; sides granulate. Eyes (Fig. 2 B, H): well developed; ALE largest, PLE smallest; posterior eye row recurved from above, procurved from front; ALE separated from edge of carapace by 1.1 times diameters. Mouthparts (Figs 2 D, 3 G): endites distally branched. Sternum (Fig. 2 D): surface strongly rugose, with two clusters of short, thick setae. Abdomen (Fig. 2 A, C, E, G): 0.69 long, 0.54 wide; sperm pore situated in front of anterior spiracles; apodemes present, posterior spiracles connected by shallow groove; with small spot situated between anterior and posterior spiracles. Palp (Figs 3 A – F, 4 A – I): yellow; 0.49 long (0.17, 0.09, 0.09, 0.14); femur swollen (width / length = 0.71); tibia about as long as patella; cymbium with 2 very long, curved, flat setae; bulb kidney-shape, base slightly swollen ventrally, tapering apically; psembolus complex, with basal leaf-shaped projection (blp), 1 blade-like lobe (bll), broad median branch (mb) and lateral branch (lb), surrounded by numerous fiber structures. Female. Same as male except as noted. Body length 1.56; habitus as in Fig. 5 A, C, E. Carapace 0.74 long, 0.59 wide. Abdomen: 0.85 long, 0.67 wide. Epigastric area (Figs 5 G, 6 A): with recurved, strongly sclerotized arches (sar). Endogyne (Fig. 6 B): with narrow, curved transverse sclerite (tsc); with anterior slender stick-shaped sclerite (as) and posterior small globular structure (glo); transverse bars (tba) with pair of short lateral apodemes (ap).	en	Dai, Chengzhi, Chen, Qiang, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2025): Two new species of Trilacuna Tong & Li, 2007 (Araneae, Oonopidae) from Yunnan Province, China, with a key to all known Trilacuna species of Yunnan. ZooKeys 1248: 17-32, DOI: 10.3897/zookeys.1248.158273
8A45ED60E99953BA8E19B3AC179E2B60.taxon	distribution	Distribution. Known only from the type locality, Yunnan Province, China (Fig. 1).	en	Dai, Chengzhi, Chen, Qiang, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2025): Two new species of Trilacuna Tong & Li, 2007 (Araneae, Oonopidae) from Yunnan Province, China, with a key to all known Trilacuna species of Yunnan. ZooKeys 1248: 17-32, DOI: 10.3897/zookeys.1248.158273
82ED2FADFD295B1F96B446F67F3B01DF.taxon	description	Figs 6 C, D, 7, 8, 9, 10 Common name: 磨盘山三窝蛛	en	Dai, Chengzhi, Chen, Qiang, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2025): Two new species of Trilacuna Tong & Li, 2007 (Araneae, Oonopidae) from Yunnan Province, China, with a key to all known Trilacuna species of Yunnan. ZooKeys 1248: 17-32, DOI: 10.3897/zookeys.1248.158273
82ED2FADFD295B1F96B446F67F3B01DF.taxon	etymology	Etymology. The specific name is a noun in apposition taken from the type locality.	en	Dai, Chengzhi, Chen, Qiang, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2025): Two new species of Trilacuna Tong & Li, 2007 (Araneae, Oonopidae) from Yunnan Province, China, with a key to all known Trilacuna species of Yunnan. ZooKeys 1248: 17-32, DOI: 10.3897/zookeys.1248.158273
82ED2FADFD295B1F96B446F67F3B01DF.taxon	diagnosis	Diagnosis. The new species is similar to T. xinping in the granulated carapace and the slightly elevated male epigastric region, but can be distinguished by the sternum strongly rugose (Fig. 7 D) vs. reticulate, with a cluster of short setae (Tong et al. 2019: fig. 20 A), the base of bulb strongly swollen ventrally (Figs 8 A, 9 A) vs. straight (Tong et al. 2019: figs 19 E, 23 E), the psembolus with two leaf-like lobes (Fig. 9 D) vs. comb-shaped lobes (Tong et al. 2019: fig. 20 B), and the scutum of female covering about 5 / 6 of abdomen length (Fig. 10 A, C, E) vs. the whole abdomen (Tong et al. 2019: fig. 21 A, B, C).	en	Dai, Chengzhi, Chen, Qiang, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2025): Two new species of Trilacuna Tong & Li, 2007 (Araneae, Oonopidae) from Yunnan Province, China, with a key to all known Trilacuna species of Yunnan. ZooKeys 1248: 17-32, DOI: 10.3897/zookeys.1248.158273
82ED2FADFD295B1F96B446F67F3B01DF.taxon	description	Description. Male. Body: yellow, legs pale yellow; habitus as in Fig. 7 A, C, E; body length 1.52; Carapace (Fig. 7 B, F): 0.75 long, 0.52 wide; sides granulate. lateral sides granulate. Eyes (Fig. 7 B, H): well developed; ALE largest, PLE smallest; posterior eye row recurved from above, procurved from front; ALE separated from edge of carapace by 1.3 diameters. Mouthparts (Figs 7 D, 8 G): endites distally branched. Sternum (Fig. 7 D): surface strongly rugose. Abdomen (Fig. 7 A, C, E, G): 0.69 long, 0.54 wide; sperm pore situated at level of anterior spiracles; apodemes present, posterior spiracles not connected by groove; with small semi-circular spot situated between posterior spiracles; epigastric region slightly elevated. Palp (Figs 8 A – F, 9 A – H): yellow; 0.54 long (0.17, 0.10, 0.11, 0.16); femur swollen (width / length = 0.82); tibia about as long as patella; bulb triangular, base strongly swollen ventrally, tapering apically; psembolus complex, with basal branch (bb), 2 leaf-like lobes (lll), broad median branch (mb) and lateral branch (lb), surrounded by numerous fiber structures. Female. Same as male except as noted. Body length 1.62; habitus as in Fig. 10 A, C, E. Carapace 0.68 long, 0.55 wide. Abdomen: 0.85 long, 0.62 wide; dorsal scutum covering about 5 / 6 of abdomen length. Epigastric area (Figs 10 G, 6 C): with recurved, strongly sclerotized arches (sar). Endogyne (Fig. 6 D): with narrow, straight transverse sclerite (tsc); with anterior T-shaped slender sclerite (as) and posterior small globular structure (glo); transverse bars (tba) with pair of short lateral apodemes (ap).	en	Dai, Chengzhi, Chen, Qiang, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2025): Two new species of Trilacuna Tong & Li, 2007 (Araneae, Oonopidae) from Yunnan Province, China, with a key to all known Trilacuna species of Yunnan. ZooKeys 1248: 17-32, DOI: 10.3897/zookeys.1248.158273
82ED2FADFD295B1F96B446F67F3B01DF.taxon	distribution	Distribution. Known only from the type locality, Yunnan Province, China (Fig. 1).	en	Dai, Chengzhi, Chen, Qiang, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2025): Two new species of Trilacuna Tong & Li, 2007 (Araneae, Oonopidae) from Yunnan Province, China, with a key to all known Trilacuna species of Yunnan. ZooKeys 1248: 17-32, DOI: 10.3897/zookeys.1248.158273
F134A6AF9D4357A3885F09D1E571444A.taxon	type_taxon	Type species. Trilacuna rastrum Tong & Li, 2007 from Yunnan, China.	en	Dai, Chengzhi, Chen, Qiang, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2025): Two new species of Trilacuna Tong & Li, 2007 (Araneae, Oonopidae) from Yunnan Province, China, with a key to all known Trilacuna species of Yunnan. ZooKeys 1248: 17-32, DOI: 10.3897/zookeys.1248.158273
F134A6AF9D4357A3885F09D1E571444A.taxon	diagnosis	Diagnosis. See Tong et al. (2020).	en	Dai, Chengzhi, Chen, Qiang, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2025): Two new species of Trilacuna Tong & Li, 2007 (Araneae, Oonopidae) from Yunnan Province, China, with a key to all known Trilacuna species of Yunnan. ZooKeys 1248: 17-32, DOI: 10.3897/zookeys.1248.158273
F134A6AF9D4357A3885F09D1E571444A.taxon	distribution	Distribution. From Iran to the Korean Peninsula and south to Sumatra, Indonesia.	en	Dai, Chengzhi, Chen, Qiang, Tong, Yanfeng, Bian, Dongju, Li, Shuqiang (2025): Two new species of Trilacuna Tong & Li, 2007 (Araneae, Oonopidae) from Yunnan Province, China, with a key to all known Trilacuna species of Yunnan. ZooKeys 1248: 17-32, DOI: 10.3897/zookeys.1248.158273
