Conothele yundingensis 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 : 69-71

Conothele yundingensis Xu, Xu & Li sp. n. Fig. 4

Holotype.

Female (XUC-2014-001+), Mt. Yunding, Tengchong City, Yunnan Province, China, 25.805°N, 98.800°E, 16 December 2014, collected by D. Li, F.X. Liu and X. Xu. No male found.

Etymology.

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

Diagnosis.

Female of Conothele yundingensis sp. n. can be distinguished from Conothele daxinensis sp. n. by the slightly upwards and globular lobes terminally (Fig. 4E), can be distinguished from Conothele baiyunensis sp. n. by the distal part of stalks bent towards inside about 90° (Fig. 4E).

Description.

Total length, including chelicerae 18.30; carapace 7.00 long, 6.80 wide; opisthosoma 9.10 long, 7.90 wide. Carapace black brown, black on its margin; with 9 slender setae on eye tubercle and 3 on its back (Fig. 4A). Caput arched. Fovea deep, strongly procurved and U-shaped (Fig. 4A). Eye tubercle black and low. Eight eyes in two rows, with the anterior eye row procurved and posterior row straight from above (Fig. 4A); eye group 0.8 long, 1.8 wide; ALE-AME 0.35, AME-AME 0.20, PLE-PME 0.10, PME-PME 0.65; MOA 0.70 long, front width 0.75, back width 1.45; ALE: AME: PLE: PME (0.65: 0.25: 0.30: 0.40). Clypeus width 0.40. Chelicerae black, inner margin with 4 teeth, outer margin with 8 teeth. Labium, coxae of palp (maxillae) and sternum black brown (Fig. 4B). Labium 1.40 long, 1.30 wide, with 7 conspicuous cuspules. Coxae of palp (maxillae) 2.35 long, 1.40 wide, with about 45 conspicuous cuspules ventrally. Sternum 3.95 long, 4.10 wide, with irregularly shaped sigilla in the centre (Fig. 4B).

Legs black brown, light-coloured ventrally, with long and short brown sparse setae. All tarsi with tadpole-shaped trichobothrial hairs besides the normal ones. Tibia III with a saddle-like depression dorsally (Fig. 4C). Tibia and tarsus of palp, distal three segments of legs I and II with bands of short thorn-like spines laterally; metatarsus III with 6 and tibia III with 2 short thorn-like spines distally (Fig. 4C); femur III the 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 11.40 (4.25 + 1.50 + 3.00 + 2.65), leg I 13.00 (4.25 + 2.00 + 3.10 + 1.75 + 1.90), leg II 12.25 (3.75 + 1.75 + 3.00 + 1.85 + 1.90), leg III 12.50 (4.00 + 2.50 + 2.50 + 1.75 + 1.75), leg IV 13.50 (4.50 + 2.50 + 2.90 + 2.10 + 1.50).

Opisthosoma black, scattered with thick and slender black setae. Spinnerets brownish, PMS one-segmented, 0.40 long, PMS-PMS 0.15; PLS three-segmented, 2.00 long, thicker, covered with brown spines, apical segment dome-shape (Fig. 4D). Genitalia with a pair of spermathecae with slightly upwards oriented globular lobes terminally, each stalk slender, sclerotized and bent towards inside about 90° distally (Fig. 4E).

Distribution.

Yunnan Province (Mt. Yunding, Tengchong), China.