Otacilia pugnus Shi & Mu & Zhang 2024, sp. nov.
Creators: name: Shi, Songtao
name: Mu, Yannan
name: Zhang, Feng
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Phrurolithidae
Otacilia
Otacilia pugnus

description: Otacilia pugnus sp. nov. (Þff⁂ặ)
Figs 4–6, 13
Type material. Holotype ♂ (MHBU), CHINA: Hunan Province: Changde City, Shimen Co., Hupingshan Town, Jiangpinghe Vill., Zhongjiao Mt (30°0’14.90”N, 110°28’42.82”E, 362 m a.s.l.), 30.10.2018, leg. Z. Li.
Paratypes: 2♁ 7♀ (MHBU), with same data as holotype.
Etymology. The specific epithet is derived from the Latin word “ pugnus ”, referring to the fist-shaped retrolateral tibial apophysis.
Diagnosis. The new species resembles O. lata Yao, Irfan & Peng, 2019 in having a similarly shaped embolus, tegular apophysis and bursa, but can be recognized by: 1) the retrolateral tibial apophysis short, fist-shaped, with digitiform tip (vs long, rectangular, cf. Fig. 5B and fig. 3G in Yao et al. [2019]), 2) conductor slender (vs wide, cf. Fig. 5B–C and fig. 3F–G in Yao et al. [2019]), 3) copulatory opening round (vs oval, cf. Fig. 5E and fig. 3C in Yao et al. [2019]).
Description. Male (Holotype): total length 2.69, carapace 1.43 long, 1.23 wide; abdomen 1.26 long, 0.86 wide. Eye sizes and interdistances:AME 0.08, ALE 0.10, PME 0.08, PLE 0.10; AME–AME 0.04, AME–ALE 0.01, ALE– ALE 0.21, PME–PME 0.11, PME–PLE 0.06, PLE–PLE 0.38, ALE–PLE 0.08. EAW 0.50, CRW 0.74, EAW/CRW 0.68, CRW/CW 0.60. MOA 0.25 long, anterior width 0.20, posterior width 0.26. CH 0.14, CH /AME 1.75. Labium 0.15 long, 0.21 wide. Sternum 0.84 long, 0.75 wide. Leg measurements: Ⅰ 5.91 (1.52, 0.57, 1.82, 1.46, 0.54), II 4.72 (1.23, 0.49, 1.24, 1.11, 0.65), III 3.98 (1.07, 0.46, 0.84, 1.04, 0.57), IV 6.31 (1.68, 0.58, 1.46, 1.74, 0.85). Spination: femora I–IV d 1, I pl 4, II pl 2, tibiae Ⅰ pv 7 rv 8, II pv 7 rv 6, metatarsi Ⅰ pv 4 rv 4, II pv 4 rv 3.
Coloration. Carapace yellowish, with broad longitudinal mottled median band, slightly broader than ocular region. Chelicerae with three promarginal and five retromarginal teeth. Sternum longer than wide, shield-shaped. Legs yellow. Abdomen brown, with narrow and wedge-shaped dorsal scutum, three light transverse stripes at posterior of abdomen, venter of abdomen with pattern (Fig. 4A–B).
Palp as in Figs 5A–D, 6A–D. Femoral apophysis well-developed, nearly at middle of femur. Tibia swollen, half as long as femur, prolateral tibial apophysis nearly half-round; retrolateral tibial apophysis long, fist-shaped, with digitiform tip. Tegulum pyriform, tegular apophysis clavate, slightly curved at end. Sperm duct distinct, U-shaped. Embolus hooked. Conductor membranous, shorter than tegular apophysis.
Female (paratype): total length 3.51, carapace 1.61 long, 1.39 wide; abdomen 1.90 long, 1.30 wide. Eye sizes and interdistances: AME 0.10, ALE 0.10, PME 0.08, PLE 0.09; AME–AME 0.04, AME–ALE 0.01, ALE–ALE 0.24, PME–PME 0.11, PME–PLE 0.05, PLE–PLE 0.38, ALE–PLE 0.08. EAW 0.53, CRW 0.78, EAW/CRW 0.68, CRW/CW 0.56. MOA 0.26 long, anterior width 0.23, posterior width 0.28. CH 0.13, CH /AME 1.30. Labium 0.16 long, 0.25 wide. Sternum 0.97 long, 0.84 wide. Leg measurements: Ⅰ 6.33 (1.56, 0.65, 1.97, 1.51, 0.64), II 5.14 (1.34, 0.57, 1.37, 1.20, 0.66), III 4.37 (1.18, 0.52, 0.91, 1.10, 0.66), IV 6.54 (1.74, 0.59, 1.56, 1.76, 0.89). Spination: femora I–IV d 1, I pl 5, II pl 3, tibiae Ⅰ pv 8 rv 9, II pv 8 rv 8, metatarsi Ⅰ pv 4 rv 4, II pv 4 rv 3. Other characters as in male, except darker color and absent of dorsal scutum (Fig. 4C, D).
Epigyne as in Figs 5E–F, 6E–F. Median septum distinct, anteriorly wider. Copulatory openings round, separated by more than two times of spermathecae diameters. Copulatory ducts oval, longer than wider. Connecting tubes L-shaped, longer than copulatory ducts. Glandular appendage indistinct. Bursa large, covering more than half of epigynal plate, nearly more egg-shaped. Spermathecae oval, separated by about by one radius. Fertilization ducts located at anterior margin of spermathecae.
Distribution. China (Hunan Province).
description: Published as part of Shi, Songtao, Mu, Yannan & Zhang, Feng, 2024, Description of four new species of Otacilia Thorell, 1897 (Araneae: Phrurolithidae) from southern China, pp. 513-530 in Zootaxa 5447 (4) on pages 518-522, DOI: 10.11646/zootaxa.5447.4.4, http://zenodo.org/record/11150484