Otacilia guanshan Liu, 2023

Liu, Ming-kang, Jiang, Zi-min, Xiao, Yong-hong, Liu, Ke-ke & Xu, Xiang, 2023, Three new species of Otacilia Thorell, 1897 (Araneae, Phrurolithidae) from South China, ZooKeys 1180, pp. 129-144 : 129

publication ID	https://dx.doi.org/10.3897/zookeys.1180.108823
publication LSID	lsid:zoobank.org:pub:B0641AB9-701E-4ECA-831D-66F2979BD0FB
persistent identifier	https://treatment.plazi.org/id/703BAFC2-77B6-4CF9-88D3-8F30E449E19C
taxon LSID	lsid:zoobank.org:act:703BAFC2-77B6-4CF9-88D3-8F30E449E19C
treatment provided by	ZooKeys by Pensoft
scientific name	Otacilia guanshan Liu
status	sp. nov.

Treatment

Otacilia guanshan Liu sp. nov.

Figs 3 View Figure 3 , 4 View Figure 4 , 7B View Figure 7 , 8B, C View Figure 8

Type materials.

Holotype: ♂ (Phu-158), China, Jiangxi Province, Yichun City, Yifeng County, Guanshan National Nature Reserve, 28°32'22.88"N, 114°35'47.00"E, 719 m, 25 February 2023, leg. Ke-ke Liu et al. Paratypes: 1 ♂, 4 ♀, with the same data as holotype (Phu-158); 1 ♀, Donghe Station, 28°33'16.15"N, 114°34'53.72"E, 439 m, other data as previous (Phu-158).

Etymology.

The specific name derived from the type locality, Guanshan National Nature Reserve; used as a noun in apposition.

Diagnosis.

The male of the new species is similar to O. mingyueshan sp. nov. and O. wugongshanica Liu, 2020 ( Liu et al. 2020b: 17, fig. 12A, D, E) in having the carapace with broad, dark-brown, mottled markings medially and a clavate retrolateral tegular apophysis, but it can be separated from them by the retrolateral tibial apophysis with thicker apex (vs moderate in O. mingyueshan sp. nov.; thin in O. wugongshanica ) (cf. Fig. 3E, F View Figure 3 and Fig. 5E, F View Figure 5 and Liu et al. 2020b: 17, fig. 12E, F) and the hook-shaped embolus strongly curved backward (vs crescent-shaped embolus curved forward in O. mingyueshan sp. nov. and in O. wugongshanica ) (cf. Fig. 3D View Figure 3 and Fig. 5D View Figure 5 and Liu et al. 2020b: 17, fig. 12D). The female resemble those of O. mingyueshan sp. nov., and O. wugongshanica Liu, 2020 ( Liu et al. 2020b: 17, fig. 14C, D) in having the bow and arrow-shaped mark on the epigynal plate, but the new species can be separated from them by having the fovea without a distinct sclerotised transverse anterior margin (vs with a short, sclerotised transverse margin in O. mingyueshan sp. nov. and O. wugongshanica Liu, 2020) (cf. Fig. 4C View Figure 4 and Fig. 5C View Figure 5 and Liu et al. 2020b: 17, fig. 14C), the spindle shaped median septum (vs trapezoidal in O. mingyueshan sp. nov.; same in O. wugongshanica ) (cf. Fig. 4C View Figure 4 and Fig. 6C View Figure 6 and Liu et al. 2020b: 17, fig. 14C), the straightly sloping connecting tubes (vs same in O. mingyueshan sp. nov.; curved in O. wugongshanica ) (cf. Fig. 4D View Figure 4 and Fig. 6D View Figure 6 and Liu et al. 2020b: 17, fig. 14D); and the relatively widely separated spermathecae (vs widely separated in O. mingyueshan sp. nov.; touching in O. wugongshanica ) (cf. Fig. 4D View Figure 4 and Fig. 6D View Figure 6 and Liu et al. 2020b: 17, fig. 14D).

Description.

Male (holotype). Habitus as in Fig. 3A, B View Figure 3 . Total length 2.93, carapace 1.50 long, 1.28 wide. Eye sizes and interdistances: AME 0.07, ALE 0.09, PME 0.07, PLE 0.08; AME-AME 0.07, AME-ALE 0.03, PME-PME 0.13, PME-PLE 0.07, AME-PME 0.09, AME-PLE 0.19, ALE-ALE 0.24, PLE-PLE 0.39, ALE-PLE 0.09. MOA 0.24 long, frontal width 0.19, posterior width 0.26. Chelicerae with three promarginal and five retromarginal teeth. Sternum (Fig. 3B View Figure 3 ) with shallow groove along lateral margins, posterior end triangular, relatively blunt. Leg measurements: I 4.21 (1.23, 0.44, 1.18, 0.81, 0.55); II 4.11 (1.2, 0.36, 1.19, 0.73, 0.63); III 3.75 (1.05, 0.43, 0.88, 0.77, 0.62); IV 6.02 (1.26, 0.38, 1.83, 1.63, 0.92). Leg spination (Fig. 3A, B View Figure 3 ): femora I d1, p1111, II d1, p111, III d1, IV d1; tibiae I v2222222, II v2222222, metatarsi I v2222, II v2222. Pedicel 0.12 long. Abdomen (Fig. 3A, B View Figure 3 ) 1.83 long, 0.97 wide, weak dorsal scutum in anterior half.

Colouration (Fig. 3A, B View Figure 3 ). Carapace yellow with conspicuous, irregular, dark-yellow-brown mottled markings radially along midline and arc-shaped dark stripes around margin. Chelicerae and endites yellow-brown. Labium yellow-brown. Sternum yellow. Legs yellow. Abdomen black-brown, with pair of small, oval and pair of irregular yellowish spots on posterior dorsal scutum, three pale chevron-shaped stripes on subposterior part, and indistinct, yellowish, arc-shaped stripe posteriorly; venter with trapezoidal marking and pair of sloping stripes posteriorly.

Palp (Figs 3C-F View Figure 3 , 7B View Figure 7 ). Femoral apophysis (FA) well developed, as wide as half of femoral width. Tibia with three apophyses: a small, tubercle-like ventro-retrolateral apophysis (VTA) proximally, a large, thick, very strong retrolateral apophysis (RTA), longer than tibia, strongly bent inwards toward concaved cymbial groove (Gr), and a thickened, ridge-like prolateral apophysis (PTA). Sperm duct (SD) V-shaped in ventral view, reaching subposterior part of tegulum. Retrolateral tegular apophysis (rTA) clavate, thick, directed anterolaterally, shorter than embolus in ventral view. Distal tegular apophysis (dTA) oval, membranous, arising from base of embolus and retrolateral part of sperm duct. Embolus (Em) hook-shaped, strongly curved backward, with a broad base.

Female. Habitus as in Fig. 4A, B View Figure 4 . Total length 3.86, carapace 1.50 long, 1.38 wide. Eye sizes and interdistances: AME 0.08, ALE 0.07, PME 0.08, PLE 0.07, AME-AME 0.04, AME-ALE 0.03, PME-PME 0.12, PME-PLE 0.09, AME-PME 0.11, AME-PLE 0.21, ALE-ALE 0.23, PLE-PLE 0.38, ALE-PLE 0.13. MOA 0.25 long, frontal width 0.19, posterior width 0.26. Chelicerae with three promarginal and seven retromarginal teeth. Leg measurements: I 5.99 (1.53, 0.65, 1.64, 1.64, 0.53); II 4.47 (1.27, 0.5, 0.96, 1.23, 0.51); III 4.22 (0.94, 0.51, 0.93, 1.22, 0.62); IV 6.57 (1.64, 0.65, 1.56, 1.87, 0.85). Leg spination (Fig. 6A, B View Figure 6 ): femora I d1, p111, II d1, p111, III d1, IV d1; tibiae I v22222222, II v2222222, metatarsi I v2222, II v1222. Pedicel 0.11 long. Abdomen (Fig. 4A, B View Figure 4 ) 2.20 long, 1.62 wide.

Colouration (Fig. 4A, B View Figure 4 ). Paler than male. Abdomen yellow to black-brown, dorsally with four dark-brown, chevron-shaped stripes on submedial part, and two arc-shaped, short stripes posteriorly; venter with pair of triangular markings and pair of transverse stripes posteriorly.

Epigyne (Fig. 4C, D View Figure 4 ). Epigynal plate with bow and arrow-shaped mark, posteriorly with elongated subspindle-shaped median septum (MS). Fovea located anteriorly, without indistinct sclerotised transverse anterior margin. Copulatory openings (CO) oval, arising from anterior part of median septum. Copulatory ducts (CD) strongly sclerotised, relatively broad, splayed, longer than connecting tubes. Bursae (Bu) large, bean-shaped, widely separated, nearly covering 1/2 of epigynal plate. Glandular appendages (GA) small, indistinct in ventral view. Connecting tubes (CT) short, slightly convergent, widely separated. Spermathecae (Spe) small, globular, separated by their length, located on subposterior part of endogyne. Fertilisation ducts (FD) short, directed anteriorly.

Distribution.

Known only from the type locality in Jiangxi Province, China (Fig. 9 View Figure 9 ).