Otacilia xiaoxiica Liu, 2020

Liu, Ke-Ke, Luo, Hui-Pu, Ying, Yuan-Hao, Xiao, Yu-Xin, Xu, Xiang & Xiao, Yong-Hong, 2020, A survey of Phrurolithidae spiders from Jinggang Mountain National Nature Reserve, Jiangxi Province, China, ZooKeys 947, pp. 1-37 : 1

Otacilia xiaoxiica Liu sp. nov. Figure 21

Type material.

Holotype: ♂, China: Jiangxi Province, Ji’an City, Jinggangshan County Level City, Huangao Town, Xiaoxi Forest Farm, 26°28'8.4"N, 114°12'36.0"E, 365 m, 30 May 2017, leg. Ke-Ke Liu et al.

Etymology.

The specific name refers to the type locality, Xiaoxi Forest Farm; adjective.

Differential diagnosis.

The female of this species differs from these of O. fujiana and O. taiwanica (Hayashi & Yoshida, 1993) by the chelicerae with three retromarginal teeth (Fig. 21B ) (vs. five in O. fujiana and two, three or four in O. taiwanica ) and the broad spermathecae medially with indistinct curved (Fig. 21D ) (vs. the thin connecting tubes in O. fujiana and O. taiwanica , medially with distinct curve in O. taiwanica ). Male unknown.

Description.

Female. Habitus as in Fig. 21A, B . Total length 4.79, carapace 1.97 long, 1.68 wide. Eye sizes and interdistances: AME 0.12, ALE 0.12, PME 0.10, PLE 0.12; ALE-AME 0.03, AME-AME 0.06, PLE-PME 0.07, PME-PME 0.12, ALE-ALE 0.36, PLE-PLE 0.45, ALE-PLE 0.12, AME-PME 0.10, ALE-PME 0.15. MOA 0.31 long, front width 0.30, back width 0.32. Chelicerae (Fig. 21A, B ) with three promarginal (middle largest, distal smallest) and three retromarginal teeth (distal largest, proximal smallest). Sternum (Fig. 21B ), posteriorly proper blunt. Abdomen (Fig. 21A, B ) 2.69 long, 1.91 wide. Sternum longer than wide. Leg measurements: I 10.15 (2.41, 0.71, 3.12, 2.22, 1.63); II 7.95 (2.05, 0.63, 2.43, 1.63, 1.21); III 6.70 (1.76, 0.61, 1.58, 1.73, 1.02); IV broken. Leg spination: femora I-IV with one dorsal spine each; femora I pv111111, II pv11111; patella I rv1; tibiae I v2222222222, II v22222222; metatarsi I v2222, II pv1222.

Colouration (Fig. 21A, B ). Carapace yellow, with radial, irregular dark stripes mediolaterally. Sternum yellow, with yellow-brown margin. Legs yellow, without annulations on tibiae and distal part of femora, patellae and metatarsi. Abdomen brown, with abundant yellowish spots in dorsal view.

Epigyne (Fig. 21C, D ). Epigynal plate sub-square, anterolaterally with pair of crescent-shaped copulatory openings, medially with broad bar-shaped median septum, copulatory ducts and connecting tubes distinctly visible through integument in intact epigyne. Copulatory ducts broad, curved, posteriorly with pair of large, oval, transparent bursae. Glandular appendages relatively long, located on the anterior of connecting tubes. Connecting tube very short, posteriorly almost fused with spermathecae. Spermathecae broad, slightly separated at their apex. Fertilisation duct short, directed antero-laterally.

Distribution.

Known only from the type locality in Jiangxi Province, China (Map 2 ).

Figures

Map 2. Map of China, enlargement showing records of Otacilia acutangula sp. nov., O. bijiashanica sp. nov., O. longtanica sp. nov., O. ovoidea sp. nov., O. shenshanica sp. nov., Otacilia subovoidea sp. nov. and O. xiaoxiica sp. nov. in Jinggang Mountain National Nature Reserve, Jiangxi.

Figure 21. Otacilia xiaoxiica sp. nov., female holotype A habitus, dorsal view B same, ventral view C epigyne, ventral view D epigyne, dorsal view. Scale bars: 0.5 mm (A, B), 0.1 mm (C, D). Abbreviations: B - bursa, CD - copulatory duct, CO - copulatory opening, CT - connecting tube, FD - fertilisation ducts, GA - glandular appendage, MS - median septum, SP - spermathecae.