Otacilia subfabiformis Liu, 2020

Liu, Ke-ke, Ying, Yuan-hao, Xiao, Yu-xin, Yan, Jing & Xiao, Yong-hong, 2020, Eight new species of Otacilia (Araneae: Phrurolithidae) from southern China, ZooKeys 979, pp. 1-33 : 1

publication ID	https://dx.doi.org/10.3897/zookeys.979.56273
publication LSID	lsid:zoobank.org:pub:9FCC47DB-C8AA-4B3F-89A2-3FD3B69A02A9
persistent identifier	https://treatment.plazi.org/id/1EA8C0FA-3A76-4C55-8149-BAB6E83B446F
taxon LSID	lsid:zoobank.org:act:1EA8C0FA-3A76-4C55-8149-BAB6E83B446F
treatment provided by	ZooKeys by Pensoft
scientific name	Otacilia subfabiformis Liu
status	sp. nov.

Treatment

Otacilia subfabiformis Liu sp. nov. Figures 9 View Figure 9 , 10 View Figure 10 , 11 View Figure 11 , 22 View Figure 22

Type material.

Holotype: ♂, China, Jiangxi Province, Ji’an City, Anfu County, Taishan Town, Wugong Mt., near the ticket office, 27°27'10.79"N, 114°11'8.24"E, 4 January 2020, leg. Ke-ke Liu et al. Paratypes: 1 ♂, 1 ♀, with same data as holotype.

Etymology.

The specific name is derived from that of a similar species, O. fabiformis Liu et al. 2019; adjective.

Diagnosis.

The males of the new species are similar to Otacilia fabiformis Liu, Xu, Xiao, Yin & Peng, 2019 in having a spine-like embolus, a C-shaped sperm duct and a swollen bulb (see Liu et al. 2019: 444, fig. 6C), but can be separated from it by the retrolateral tibial apophysis with a sharp apex (Figs 9E, F View Figure 9 , 10D View Figure 10 ) (vs. with a blunt tip), the retrolateral tegular apophysis with a thin retrolateral part (Figs 9D, E View Figure 9 , 10A, B, E View Figure 10 ) (vs. with broad retrolateral part). The female resembles O. fabiformis in having large and touching bursae (see Liu et al. 2019: 444, fig. 7C), but can be separated from it by the slightly curved and separated connecting tubes medially located (Fig. 11D View Figure 11 ) (vs. the strongly curved and separated connecting tubes laterally located).

Description.

Male (holotype). Habitus as in Fig. 9A, B View Figure 9 . Total length 2.39, carapace 1.18 long, 1.01 wide. Eye sizes and interdistances: AME 0.05, ALE 0.08, PME 0.07, PLE 0.07, AME-AME 0.02, AME-ALE 0.02, PME-PME 0.06, PME-PLE 0.04, AME-PME 0.07, AME-PLE 0.12, ALE-ALE 0.14, PLE-PLE 0.29, ALE-PLE 0.05. MOA 0.19 long, frontal width 0.12, posterior width 0.21. Chelicerae (Fig. 9A, B View Figure 9 ) with three promarginal (proximal largest, distal smallest) and two retromarginal teeth (distal larger). Sternum (Fig. 9B View Figure 9 ) with small triangular, blunt end. Pedicel 0.13 long. Abdomen (Fig. 9A, B View Figure 9 ) 1.24 long, 0.84 wide. Leg measurements: I 4.36 (1.17, 0.40, 1.25, 1.09, 0.45); II 3.62 (0.91, 0.37, 0.96, 0.85, 0.36); III 3.45 (0.75, 0.26, 0.74, 0.83, 0.42); IV 3.79 (1.18, 0.36, 0.96, 1.29, 0.68). Leg spination (Fig. 9A, B View Figure 9 ): femora I-IV without dorsal spine each; femora I p111 II p11; tibiae I v222222, II v222222; metatarsi I v2222, II v222.

Colouration (Fig. 9A, B View Figure 9 ). Carapace yellow, with radial, irregular dark stripes mediolaterally and arc-shaped dark stripes around margin. Fovea distinct, black. Chelicerae, endites and labium yellow. Sternum yellow, margins with dark brown mottled spots. Legs yellow, femora I-IV each with black annulation; patellae I with black annulation; tibiae I with blackish-brown stripes, II-IV with blackish-brown annulations; metatarsi I-IV with blackish-brown annulations. Abdomen yellowish white, anteriorly with blackish-brown stripe, with round blackish-brown spots located in median dorsal scutum and pair of L-shaped blackish-brown stripes located at posterior of dorsal scutum, pair of oval blackish-brown spots on sub-median part, three blackish-brown stripes on posterior part; venter with pair of blackish-brown spots posterolaterally.

Palp (Figs 9C-F View Figure 9 , 10 View Figure 10 ). Femoral apophysis weakly sclerotized, width less than half of its length. Patella unmodified. Retrolateral tibial apophysis large, bending to posterior bulb, longer than tibia, with sharp apex. Dorsal tibial apophysis large, longer than tibia, with fine tip in retrolateral view. Sperm duct C-shaped, strongly sclerotized, around base of retrolateral tegular apophysis and embolus. Retrolateral tegular apophysis large, protruding retrolaterally, with narrow retrolateral part. Embolus short, spine-like.

Female (paratype). Habitus as in Fig. 11A, B View Figure 11 . Total length 2.54, carapace 1.17 long, 1.02 wide. Eye sizes and interdistances: AME 0.06, ALE 0.07, PME 0.07, PLE 0.07, AME-AME 0.01, AME-ALE 0.01, PME-PME 0.06, PME-PLE 0.03, AME-PME 0.06, AME-PLE 0.11, ALE-ALE 0.28, PLE-PLE 0.37, ALE-PLE 0.05. MOA 0.18 long, frontal width 0.12, posterior width 0.20. Chelicerae (Fig. 11A, B View Figure 11 ) with three promarginal (proximal largest, distal smallest) and two retromarginal teeth (distal larger, with same base). Sternum (Fig. 11B View Figure 11 ) gradually pointed. Pedicel 0.10 long. Abdomen (Fig. 11A, B View Figure 11 ) 1.29 long, 0.92 wide. Leg measurements: I 4.07 (1.06, 0.42, 1.16, 1.02, 0.41); II 3.62 (0.80, 0.30, 1.06, 1.02, 0.44); III 2.98 (0.79, 0.34, 0.63, 0.75, 0.47); IV 4.21 (1.14, 0.36, 0.89, 1.21, 0.61). Leg spination (Fig. 11A, B View Figure 11 ): femur I with two dorsal spines, femora II, III, and IV with one dorsal spine each; femur I p111; tibiae I v2222222, II v222222; metatarsi I v2222, II v2222.

Colouration (Fig. 11A, B View Figure 11 ). Lighter than males. Abdomen, anteriorly with mushroom-like dark brown spot.

Epigyne (Fig. 11C, D View Figure 11 ). Epigynal plate tree-like, antero-medially with pair of concave copulatory openings, with sub-columnar median septum. Copulatory ducts, connecting tubes and spermathecae distinctly visible through integument in intact epigyne. Copulatory ducts relatively narrow, located between copulatory openings and glandular appendages, posteriorly with pair of large, bean-shaped, transparent bursae. Glandular appendages short, near base of bursae, located on anterior of connecting tubes. Connecting tubes slightly longer than copulatory ducts, located between glandular appendages and spermathecae, median part slightly expanded. Spermathecae globular peanut-shaped, touching. Fertilization duct long, anteriorly directed.

Distribution.

Known only from the type locality in Jiangxi Province, China (Fig. 22 View Figure 22 ).