Platocoelotes qinglinensis Chen & Li

Chen, Lu, Li, Shuqiang & Zhao, Zhe, 2015, Five new Platocoelotes species (Araneae, Agelenidae) from caves in southern China, ZooKeys 512, pp. 1-18 : 3-6

Taxon classification Animalia Araneae Agelenidae

Platocoelotes qinglinensis Chen & Li sp. n. Figs 3, 4, 11

Type material.

Holotype ♂: China: Yunnan: Zhaotong City: Daguang County: Mohan Town, Qinglin Village, Qinglong Cave, N27°41'37", E103°44'52", elevation: 1289 m, 18.III.2014, Y.C. Li & J.C. Liu. Paratypes: 1♀1♂, same data as holotype.

Etymology.

The specific name refers to the type locality; adjective.

Diagnosis.

The male can be distinguished from all other Platocoelotes species, except Platocoelotes ampulliformis Liu & Li, 2008, Platocoelotes brevis Liu & Li, 2008, Platocoelotes latus Xu & Li, 2008, Platocoelotes paralatus Xu & Li, 2008 and Platocoelotes strombuliformis Liu & Li, 2008, by having a thinner anterior conductor apophysis and can be distinguished from these five species by the presence of a broader cavity on the anterior conductor apophysis (Fig. 3 A–C). The female can be distinguished from other Platocoelotes species, except Platocoelotes latus , by the large epigynal atrium and the medially situated epigynal hoods and can be distinguished from Platocoelotes latus by the distinct copulatory ducts, the absence of spermathecal heads, and the spermathecae together with the copulatory ducts, looks like an M (Fig. 4B; Xu and Li 2008: fig. 16).

Description.

Male (holotype): Total length 7.35. Carapace 3.45 long, 2.35 wide. Abdomen 3.90 long, 2.75 wide. Eye sizes and interdistances: AME 0.18, ALE 0.23, PME 0.19, PLE 0.21; AME-AME 0.06, AME-ALE 0.03, PME-PME 0.09, PME-PLE 0.10. Leg measurements: I: 12.85 (3.60, 4.30, 3.00, 1.95); II: 10.80 (3.10, 3.50, 2.50, 1.70); III: 9.80 (2.75, 3.05, 2.50, 1.50); IV: 16.45 (4.00, 3.90, 3.81, 1.80). Chelicerae with three promarginal and two retromarginal teeth. Palp: patellar apophysis long, its length almost equal to patellar width; ventral patellar apophysis short, with rounded tip; RTA with pointed tip, slightly extending beyond distal margin of tibia; LTA short, approximately less than 1/5 length of RTA; cymbial furrow about 1/3 length of cymbium; conductor with long, canoe-like, blunt tip; posterior conductor apophysis long, about 1/2 length of cymbium; dorsal conductor apophysis absent; embolus filiform, beginning at 6- o’clock position, forming a semicircular shape (Fig. 3 A–C).

Female (paratype): Total length 6.41. Carapace 3.33 long, 2.56 wide. Abdomen 3.08 long, 1.92 wide. Eye sizes and interdistances: AME 0.19, ALE 0.18, PME 0.16, PLE 0.18; AME-AME 0.05, AME-ALE 0.04, PME-PME 0.07, PME-PLE 0.10. Leg measurements: I: 15.86 (4.10, 5.26, 4.05, 2.45); II: 13.75 (3.50, 4.45, 3.60, 2.20); III: 12.25 (3.25, 3.60, 3.65, 1.75); IV: 16.45 (4.25, 4.90, 4.95, 2.35). Chelicerae with three promarginal and two retromarginal teeth. Epigyne: atrium large, occupying 3/4 of epigyne; hoods distinct, located mediolaterally on epigynal plate; copulatory ducts broad; spermathecae simple; spermathecae together with the copulatory ducts, M-shape (Fig. 4 A–B).

Distribution.

Known only from the type locality (Fig. 11).