taxonID	type	description	language	source
14EC50DA7D0D52F39867FC5E2EE1A154.taxon	description	Figs 2, 3, 4, 16 A, D	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
14EC50DA7D0D52F39867FC5E2EE1A154.taxon	etymology	Etymology. The specific name refers to the type locality; noun in apposition.	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
14EC50DA7D0D52F39867FC5E2EE1A154.taxon	diagnosis	Diagnosis. The new species resembles B. xiaojin sp. nov. with similar paracymbium (P) and epigyne (Figs 2 B, 3 A), but can be easily distinguished by embolus thumb (TH) with dentate end (Figs 2 B, 16 D vs. spinous, Figs 13 B, 16 J), by chitinized basal part of median membrane (CPM) small with tip end (Fig. 16 A vs. finger-shaped, Fig. 16 H), and by spermathecae (S) separated by diameter less than their inter-distance (Fig. 3 C vs. inter-distance less than their diameter, Fig. 14 C).	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
14EC50DA7D0D52F39867FC5E2EE1A154.taxon	description	Description. Male (holotype). Total length: 2.12, carapace 0.92 long, 0.74 wide, abdomen 1.30 long, 0.80 wide. Eye inter-distances and diameters: AME 0.06, AME-AME 0.03, ALE 0.08, AME-ALE 0.06, PME 0.08, PME-PME 0.05, PLE 0.07, and PME-PLE 0.06. Sternum 0.54 long, 0.52 wide. Clypeus 0.12 high. Chelicerae promargin with 3 teeth, retromargin with 4 teeth. Length of legs: I 5.50 (1.54, 0.28, 1.44, 1.34, 0.90), II 4.90 (1.26, 0.26, 1.44, 1.14, 0.80), III 3.10 (0.78, 0.22, 0.76, 0.76, 0.58), IV 4.44 (1.24, 0.24, 1.12, 1.10, 0.74). Leg formula: I-II-IV-III. TmI 0.16, TmIV absent. Tibial spine formula: 2 - 2 - 2 - 2. Carapace brown. Sternum dark brown. Abdomen with greenish gray dorsal spots (Fig. 4 A, B). Palp (Fig. 2). Patella with long dorsal bristle. Tibia unmodified. Cymbium with hook-shaped proximal apophysis (PCA) pointing retrolaterally. Paracymbium (P) bifurcate with three branches: distally triangular branch, sharp-pointed branch and lower sclerotized branch. Pit hook (PH) on stout distal part of suprategulum (SPT) extremely reduced to small outgrowth. Embolic division (Fig. 16 A, D): anterior part of radix (APR) hook-shaped; sperm duct inside the radix (R) inconspicuous with Fickert’s gland (FG); pseudolamella (PL) strongly sclerotized and lamellar extension (LE) absent. Anterior terminal apophysis (ATA) short-pointing anterodorsally; median terminal apophysis (MTA) membranous with many slender branches; posterior terminal apophysis (PTA) with serrated margin. Embolus (E) with short basal part, apical part with conical embolus proper (EP), L-shaped thumb (TH), and sharp apex (AX). Median membrane (MM) leaf-shaped with numerous papillae, and basal part of median membrane chitinized (CPM). Female (paratype). Total length: 2.42, carapace 0.94 long, 0.72 wide, abdomen 1.48 long, 1.10 wide. Eye inter-distances and diameters: AME 0.05, AME-AME 0.02, ALE 0.07, AME-ALE 0.05, PME 0.07, PME-PME 0.05, PLE 0.08, and PME-PLE 0.04. Sternum 0.56 long, 0.52 wide. Clypeus 0.12 high. Chelicerae promargin with 3 teeth, retromargin with 5 teeth. Length of legs: I 5.28 (1.44, 0.32, 1.34, 1.30, 0.88), II 4.74 (1.32, 0.30, 1.18, 1.14, 0.80), III 3.38 (1.02, 0.30, 0.80, 0.72, 0.54), IV 4.36 (1.26, 0.30, 1.06, 1.06, 0.68). Leg formula: I-II-IV-III. TmI 0.15, TmIV absent. Tibial spine formula: 2 - 2 - 2 - 2. Coloration generally as in male (Fig. 4 C, D). Epigyne (Fig. 3). Basal part of scape (BS) nearly T-shaped. Posterior part of posterior median plate (PMP) M-shaped. Distal part of scape (DPS) forming a circle with basal part of scape. Spermathecae (S) round.	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
14EC50DA7D0D52F39867FC5E2EE1A154.taxon	distribution	Distribution. China (Sichuan, type locality; Fig. 1).	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
153CCC2B31AE5C94B8439BE28DC149CB.taxon	description	Figs 5, 6, 16 B, E	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
153CCC2B31AE5C94B8439BE28DC149CB.taxon	etymology	Etymology. The specific name refers to the type locality; noun in apposition.	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
153CCC2B31AE5C94B8439BE28DC149CB.taxon	diagnosis	Diagnosis. The species resembles B. kangding sp. nov. with similar pseudolamella (PL) and median membrane (MM) (Fig. 16 B, E), but can be easily distinguished by thumb of embolus (TH) 0.6 times radix (R) length (Figs 5 A, 16 B vs. 0.3, Figs 2 A, 16 A), by anterior part of radix (APR) round (Fig. 16 E vs. hooked, Fig. 16 D), by median terminal apophysis (MTA) with jagged edge (Fig. 16 B vs. branched, Fig. 16 A), and by posterior terminal apophysis (PTA) thick and 0.7 times pseudolamella (PL) length (Fig. 16 B vs. thin and 0.2, Fig. 16 A).	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
153CCC2B31AE5C94B8439BE28DC149CB.taxon	description	Description. Male (holotype). Total length: 2.24, carapace 1.06 long, 0.96 wide, abdomen 1.18 long, 0.78 wide. Eye inter-distances and diameters: AME 0.05, AME-AME 0.02, ALE 0.09, AME-ALE 0.06, PME 0.06, PME-PME 0.07, PLE 0.09, and PME-PLE 0.05. Sternum 0.61 long, 0.45 wide. Clypeus 0.08 high. Chelicerae promargin with 2 teeth, retromargin with 1 tooth. Length of legs: I 7.00 (1.84, 0.34, 1.92, 1.80, 1.10), II 5.80 (1.64, 0.28, 1.62, 1.44, 0.82), III 4.34 (1.27, 0.27, 1.08, 1.09, 0.63), IV 5.70 (1.68, 0.28, 1.54, 1.48, 0.72). Leg formula: I-II-IV-III. TmI 0.17, TmIV absent. Tibial spine formula: 2 - 2 - 2 - 2. Carapace brown. Sternum dark brown. Abdomen with greenish gray dorsal spots (Fig. 6). Palp (Fig. 5). Patella with long dorsal bristle. Tibia unmodified. Cymbium with hook-shaped proximal apophysis (PCA) pointing retrolaterally. Paracymbium (P) bifurcate with three branches: mushroom-shaped branch and two short branches proximally. Pit hook (PH) on stout distal part of suprategulum (SPT) extremely reduced to small outgrowth. Embolic division (Fig. 16 B, E): anterior part of radix (APR) round; sperm duct inside the radix (R) inconspicuous with Fickert’s gland (FG); pseudolamella (PL) smooth and pointed; lamellar extension (LE) absent. Anterior terminal apophysis (ATA) short; median terminal apophysis (MTA) board; posterior terminal apophysis (PTA) thick with dentate anterior margin. Embolus (E) with conical embolus proper (EP), large thumb (TH), and apex (AX). Median membrane (MM) round with numerous papillae, and basal part of median membrane chitinized (CPM). Female. Unknown.	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
153CCC2B31AE5C94B8439BE28DC149CB.taxon	distribution	Distribution. China (Sichuan, type locality; Fig. 1).	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
BB00237AB2B257699F0F00F68E002954.taxon	description	Figs 7, 8, 9, 16 C, F	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
BB00237AB2B257699F0F00F68E002954.taxon	etymology	Etymology. The specific name refers to the type locality; noun in apposition.	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
BB00237AB2B257699F0F00F68E002954.taxon	diagnosis	Diagnosis. The new species can be easily distinguished from other congeners by having embolus apex (AX) that is curved and distally pointed (Fig. 16 C vs. angular, column-shaped, distally blunt, Fig. 16 A, B, G, H, Saaristo et al. 2006: figs 4, 12), by embolus thumb (TH) membranous (Figs 7 C, 16 C vs. sclerotized, Figs 2 C, 5 C, 13 C, 16 A, B, G, H), by lamellar extension of pseudolamella (LE) with flower-shaped distal end (Figs 7 C, 16 C vs. lacking LE or LE ribbon-shaped, Figs 2 C, 5 C, 10 C, 13 C, 16 A, B, G, H, Saaristo et al. 2006: figs 4, 12), and by basal part of scape (BS) shield-shaped (Fig. 8 A vs. T-shaped, Figs 3 A, 11 A, 14 A, Saaristo et al. 2006: figs 6, 14).	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
BB00237AB2B257699F0F00F68E002954.taxon	description	Description. Male (holotype). Total length: 2.23, carapace 1.10 long, 0.90 wide, abdomen 1.12 long, 0.74 wide. Eye inter-distances and diameters: AME 0.06, AME-AME 0.02, ALE 0.07, AME-ALE 0.06, PME 0.08, PME-PME 0.05, PLE 0.07, and PME-PLE 0.06. Sternum 0.50 long, 0.48 wide. Clypeus 0.11 high. Chelicerae promargin with 4 teeth, retromargin with 4 teeth. Length of legs: I 7.57 (1.98, 0.33, 1.96, 2.00, 1.30), II 6.78 (1.90, 0.32, 1.70, 1.74, 1.12), III 4.78 (1.38, 0.30, 1.10, 1.24, 0.76), IV 6.28 (1.84, 0.32, 1.58, 1.62, 0.92). Leg formula: I-II-IV-III. TmI 0.16, TmIV absent. Tibial spine formula: 2 - 2 - 2 - 2. Carapace yellowish. Sternum dark brown. Abdomen with greenish gray dorsal spots (Fig. 9 A, B). Palp (Fig. 7). Patella with long dorsal bristle. Tibia unmodified. Cymbium with hook-shaped proximal apophysis (PCA) pointing retrolaterally. Paracymbium (P) bifurcate with three branches: S-shaped branch, finger-shaped branch and lower branch. Pit hook (PH) on stout distal part of suprategulum (SPT) extremely reduced to small outgrowth. Embolic division (Fig. 16 C, F): anterior part of radix (APR) hook-shaped; sperm duct inside the radix (R) inconspicuous with Fickert’s gland (FG); pseudolamella (PL) strongly sclerotized; and lamellar extension (LE) slightly sclerotized with flower-shaped distal end. Anterior terminal apophysis (ATA) longer than wide; median terminal apophysis (MTA) membranous with serrated margin; posterior terminal apophysis (PTA) small and semicircle. Embolus (E) with conical embolus proper (EP), indistinct thumb (TH), and hooked apex (AX). Median membrane (MM) fan-shaped and small chitinized basal part of median membrane (CPM). Female (paratype). Total length: 2.53, carapace 0.96 long, 0.84 wide, abdomen 1.66 long, 1.16 wide. Eye inter-distances and diameters: AME 0.06, AME-AME 0.02, ALE 0.09, AME-ALE 0.06, PME 0.09, PME-PME 0.06, PLE 0.07, and PME-PLE 0.06. Sternum 0.66 long, 0.56 wide. Clypeus 0.09 high. Chelicerae promargin with 3 teeth, retromargin with 5 teeth. Length of legs: I 7.01 (1.82, 0.36, 1.92, 1.80, 1.11), II 6.27 (1.74, 0.32, 1.63, 1.56, 1.02), III 4.62 (1.42, 0.28, 1.14, 1.10, 0.68), IV 5.90 (1.78, 0.30, 1.50, 1.46, 0.86). Leg formula: I-II-IV-III. TmI 0.16, TmIV absent. Tibial spine formula: 2 - 2 - 2 - 2. Coloration generally as in male (Fig. 9 C, D). Epigyne (Fig. 8). Basal part of scape (BS) shield-shaped. Both sides of posterior median plate (PMP) developed well. Distal part of scape (DPS) forming an incomplete circle with basal part of scape. Spermathecae (S) nearly elliptic.	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
BB00237AB2B257699F0F00F68E002954.taxon	distribution	Distribution. China (Sichuan, type locality; Fig. 1).	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
BC90BA9D94355D489E29D7CCB07398A2.taxon	type_taxon	Type species. Arcuphantes ramosus Li & Zhu, 1987. The five new species described below are assigned to the genus Bifurcia by the following characters: proximal cymbial apophysis (PCA) pointing retrolaterally; bifurcated paracymbium (P); distal part of suprategulum (SPT) large, blunt, and strongly sclerotized in retrolateral view; suprategular pit hook (PH) reduced to small; median membrane (MM) with chitinized basal part (CPM); relatively thick and stout tipped pseudolamella (PL); basal part of scape (BS) nearly T-shaped (Saaristo et al. 2006).	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
880FE1750B5E5730B9354BCACE1F3A6D.taxon	description	Figs 10, 11, 12, 16 G, I	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
880FE1750B5E5730B9354BCACE1F3A6D.taxon	etymology	Etymology. The specific name refers to the type locality; noun in apposition.	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
880FE1750B5E5730B9354BCACE1F3A6D.taxon	diagnosis	Diagnosis. The new species resembles B. curvata (Sha & Zhu, 1987) (Saaristo et al. 2006: figs 9 – 17) with similar large chitinized basal part of median membrane (CPM) and epigyne (Figs 10 B, 11 A, 16 G, I), but can be distinguished by embolus with hooked apex (AX) (Fig. 16 G vs. sharp, Saaristo et al. 2006: fig. 12), by anterior terminal apophysis (ATA) finger-shaped (Figs 10 A, 16 G vs. handle-shaped, Saaristo et al. 2006: figs 11, 12), by lamellar extension of pseudolamella (LE) absent (Figs 10 C, 16 G vs. present and ribbon-shaped, Saaristo et al. 2006: figs 10, 12), and by posterior part of posterior median plate (PMP) straight (Fig. 11 C vs. curved, Saaristo et al. 2006: fig. 17).	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
880FE1750B5E5730B9354BCACE1F3A6D.taxon	description	Description. Male (holotype). Total length: 1.78, carapace 0.88 long, 0.78 wide, abdomen 0.89 long, 0.62 wide. Eye inter-distances and diameters: AME 0.05, AME-AME 0.02, ALE 0.08, AME-ALE 0.06, PME 0.08, PME-PME 0.04, PLE 0.08, and PME-PLE 0.04. Sternum 0.53 long, 0.51 wide. Clypeus 0.12 high. Chelicerae promargin with 3 teeth, retromargin with 4 teeth. Length of legs: I 5.43 (1.41, 0.28, 1.48, 1.34, 0.92), II 4.63 (1.24, 0.26, 1.21, 1.14, 0.78), III 3.42 (0.97, 0.22, 0.80, 0.83, 0.60), IV 4.47 (1.33, 0.25, 1.13, 1.06, 0.70). Leg formula: I-II-IV-III. TmI 0.15, TmIV absent. Tibial spine formula: 2 - 2 - 2 - 2. Carapace yellowish-brown. Sternum dark brown. Abdomen with greenish gray dorsal spots (Fig. 12 A, B). Palp (Fig. 10). Patella with long dorsal bristle. Tibia unmodified. Cymbium with hook-shaped proximal apophysis (PCA) pointing retrolaterally. Paracymbium (P) bifurcate with three branches: proximally short branch, medianly robust branch with round lateral branch and distal branch. Pit hook (PH) on stout distal part of suprategulum (SPT) extremely reduced to small outgrowth. Embolic division (Fig. 16 G, I): anterior part of radix (APR) hook-shaped; sperm duct inside the radix (R) inconspicuous with Fickert’s gland (FG); pseudolamella (PL) strongly sclerotized and lamellar extension (LE) absent. Anterior terminal apophysis (ATA) extending out handle-shaped tip pointing anterodorsally; median terminal apophysis (MTA) membranous with serrated margin; posterior terminal apophysis (PTA) rectangular and strongly sclerotized. Embolus (E) with conical embolus proper (EP), sclerotized thumb (TH), and hooked apex (AX). Median membrane (MM) with large chitinized basal part (CPM). Female (paratype). Total length: 1.86, carapace 0.95 long, 0.80 wide, abdomen 0.94 long, 1.33 wide. Eye inter-distances and diameters: AME 0.04, AME-AME 0.02, ALE 0.09, AME-ALE 0.05, PME 0.08, PME-PME 0.05, PLE 0.08, and PME-PLE 0.04. Sternum 0.60 long, 0.56 wide. Clypeus 0.10 high. Chelicerae promargin with 3 teeth, retromargin with 5 teeth. Length of legs: I 5.37 (1.48, 0.33, 1.44, 1.28, 0.84), II 4.79 (1.33, 0.31, 1.22, 1.13, 0.80), III 3.70 (1.10, 0.26, 0.88, 0.86, 0.60), IV 4.69 (1.42, 0.27, 1.19, 1.11, 0.70). Leg formula: I-II-IV-III. TmI 0.17, TmIV absent. Tibial spine formula: 2 - 2 - 2 - 2. Coloration generally as in male (Fig. 12 C, D). Epigyne (Fig. 11). Basal part of scape (BS) sparsely clothed with long curved hairs, turned under basal part forming large circle. Posterior part of posterior median plate (PMP) curved. Distal part of scape (DPS) T-shaped, laterally directed lateral lobes (LL) extending out of either side in ventral view. Spermathecae (S) S-shaped.	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
880FE1750B5E5730B9354BCACE1F3A6D.taxon	distribution	Distribution. China (Sichuan, type locality; Fig. 1).	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
758D6E5DF9D25356AD1660091628AE69.taxon	description	Figs 13, 14, 15, 16 H, J	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
758D6E5DF9D25356AD1660091628AE69.taxon	etymology	Etymology. The specific name refers to the type locality; noun in apposition.	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
758D6E5DF9D25356AD1660091628AE69.taxon	diagnosis	Diagnosis. The new species resembles B. kangding sp. nov. with similar paracymbium (P) and epigyne (Figs 13 B, 14 A), but can be distinguished by embolus thumb (TH) with spinous end (Figs 13 C, 16 H vs. dentate, Figs 2 C, 16 A), by chitinized basal part of median membrane (CPM) finger-shaped (Fig. 16 H vs. pointed, Fig. 16 A), and by spermathecae (S) close to each other (Fig. 14 C vs. widely separated, Fig. 3 C).	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
758D6E5DF9D25356AD1660091628AE69.taxon	description	Description. Male (holotype). Total length: 2.12, carapace 1.01 long, 0.99 wide, abdomen 1.11 long, 0.81 wide. Eye inter-distances and diameters: AME 0.05, AME-AME 0.02, ALE 0.06, AME-ALE 0.08, PME 0.06, PME-PME 0.06, PLE 0.07, and PME-PLE 0.08. Sternum 0.55 long, 0.53 wide. Clypeus 0.15 high. Chelicerae promargin with 2 teeth, retromargin with 1 tooth. Length of legs: I 5.49 (1.45, 0.31, 1.46, 1.38, 0.89), II 4.51 (1.22, 0.28, 1.17, 1.10, 0.74), III 3.29 (0.94, 0.25, 0.75, 0.77, 0.58), IV 4.34 (1.27, 0.27, 1.06, 1.02, 0.72). Leg formula: I-II-IV-III. TmI 0.17, TmIV absent. Tibial spine formula: 2 - 2 - 2 - 2. Carapace brown. Sternum dark brown. Abdomen with greenish gray dorsal spots (Fig. 15 A, B). Palp (Fig. 13). Patella with long dorsal bristle. Tibia unmodified. Cymbium with hook-shaped proximal apophysis (PCA) pointing retrolaterally. Paracymbium (P) bifurcate with three curved branches. Pit hook (PH) on stout distal part of suprategulum (SPT) extremely reduced to small outgrowth. Embolic division (Fig. 16 H, J): anterior part of radix (APR) hook-shaped; sperm duct inside the radix (R) inconspicuous with Fickert’s gland (FG); pseudolamella (PL) strongly sclerotized, with distally angular end and lamellar extension (LE) absent. Anterior terminal apophysis (ATA) pointing anterodorsally; median terminal apophysis (MTA) membranous with four branches; posterior terminal apophysis (PTA) serrated. Embolus (E) with conical embolus proper (EP), short apex (AX), and thumb (TH) with a long thorn. Median membrane (MM) leaf-shaped with finger-shaped chitinized basal part (CPM). Female (paratype). Total length: 2.22, carapace 1.04 long, 0.86 wide, abdomen 1.20 long, 0.92 wide. Eye inter-distances and diameters: AME 0.06, AME-AME 0.03, ALE 0.09, AME-ALE 0.06, PME 0.07, PME-PME 0.07, PLE 0.09, and PME-PLE 0.06. Sternum 0.58 long, 0.55 wide. Clypeus 0.15 high. Chelicerae promargin with 3 teeth, retromargin with 5 teeth. Length of legs: I 5.95 (1.60, 0.39, 1.58, 1.42, 0.96), II 4.93 (1.36, 0.33, 1.29, 1.17, 0.78), III 3.67 (1.09, 0.28, 0.84, 0.87, 0.59), IV 4.68 (1.45, 0.28, 1.11, 1.14, 0.70). Leg formula: I-II-IV-III. TmI 0.21, TmIV absent. Tibial spine formula: 2 - 2 - 2 - 2. Carapace yellowish-brown. Coloration generally as in male (Fig. 15 C, D). Epigyne (Fig. 14). Basal part of scape (BS) long and sparsely clothed with long, curved hairs. Posterior part of posterior median plate (PMP) M-shaped. Distal part of scape (DPS) forming a circle with basal part of scape together. Spermathecae (S) round.	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
758D6E5DF9D25356AD1660091628AE69.taxon	distribution	Distribution. China (Sichuan, type locality; Fig. 1).	en	Yang, Lan, Li, Shuqiang, Yao, Zhiyuan (2024): Five new species of the spider genus Bifurcia Saaristo, Tu & Li, 2006 (Araneae, Linyphiidae) from Sichuan, China. Zoosystematics and Evolution 100 (2): 705-720, DOI: 10.3897/zse.100.124160
