Conothele daxinensis Xu, Xu & Li

Xu, Xin, Xu, Chen, Liu, Fengxiang, Zhang, Zengtao & Li, Daiqin, 2017, Four new species of the trapdoor spider genus Conothele Thorell, 1878 from Mainland China and Laos (Araneae, Ctenizidae), ZooKeys 643, pp. 63-74 : 66-68

Conothele daxinensis Xu, Xu & Li sp. n. Fig. 2

Holotype.

Female (XUC-2014-002+), Minghua Village, Daxin Town, Chongzuo City, Guangxi Province, China, 23.320°N, 107.728°E, 22 December 2014, collected by D. Li, F.X. Liu and X. Xu. No male found.

Etymology.

‘Daxin’ refers to the type locality of this species.

Diagnosis.

Female of Conothele daxinensis sp. n. differs from other species of Conothele by the spermathecae with face to face, bowl-shape lobes (Fig. 2E); each stalk slender, long, slightly broader at base, distally sclerotized and incurved (ca. 110°) (Fig. 2E).

Description.

Total length, including chelicerae, 10.40; carapace 4.00 long, 4.60 wide; opisthosoma 5.60 long, 4.90 wide. Carapace light brown, glabrous, with 3 slender setae on eye tubercle and 4 on its back (Fig. 2A). Caput arched. Eye tubercle black brown. Fovea deep, strongly procurved and U-shaped (Fig. 2A). Eight eyes in two rows, with both the anterior and posterior rows straight from above (Fig. 2A); eye group 0.60 long, 1.10 wide; ALE-AME 0.10, AME-AME 0.05, PLE-PME 0.04, PME-PME 0.30; MOA 0.55 long, front width 0.45, back width 0.96; ALE: AME: PLE: PME (0.30: 0.20: 0.13: 0.33). Clypeus width 0.25. Chelicerae black, inner margin with 4 teeth, outer margin with 9 teeth. Labium, coxae of palp (maxillae) and sternum light brown (Fig. 2B). Labium 0.55 long, 0.85 wide, with 2 conspicuous cuspules. Coxae of palp (maxillae) 1.95 long, 0.95 wide, with about 10 conspicuous cuspules ventrally. Sternum 3.35 long, 2.85 wide, with irregularly shaped sigilla in the centre (Fig. 2B).

Legs light brown, light-colored ventrally, with long and short brown sparse setae. All tarsi with tadpole-shaped trichobothrial hairs besides the normal ones. Basal part of tibia III with a saddle-like depression dorsally (Fig. 2C). Tibia and tarsus of palp, distal three segments of legs I and II with bands of short thorn-like spines laterally; tibia III with 4 short spines distally (Fig. 2C). Femur III thickest. Scopulae and claw tufts absent. Palpal claw with a single branched tooth; legs each with 3 tarsal claws, paired claws with two denticles. Leg formula: 4132. Measurements: palp 6.90 (2.70 + 1.10 + 1.60 + 1.50), leg I 8.00 (3.00 + 1.40 + 1.85 + 1.00 + 0.75), leg II 7.55 (2.50 + 1.60 + 1.60 + 0.85 + 1.00), leg III 7.95 (2.75 + 1.50 + 1.45 + 1.00 + 1.25), leg IV 10.30 (3.15 + 1.80 + 1.90 + 1.90 + 1.55).

Opisthosoma black, scattered with thick and slender black setae. Spinnerets brownish, PMS one-segmented, 0.50 long, PMS-PMS 0.20; PLS three-segmented, 0.60 long, thicker and shorter (Fig. 2D). Genitalia with a pair of spermathecae, each stalk slender, long, broader towards the base, distally gradually sclerotized and incurved around 110°, terminating with face-to-face bowl-shaped lobes (Fig. 2E).

Distribution.

Guangxi Province (Chongzuo), China.