Otacilia acuta
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BibTeX: @article{Fu2016Zootaxa4107, RIS/ Endnote: TY - JOUR Wikipedia/ Citizendium: <ref name="Fu2016Zootaxa4107">{{Citation |
Ordo: Araneae
Familia: Corinnidae
Genus: Otacilia
Name
Otacilia acuta Fu, Lina, 2016 – Wikispecies link – Pensoft Profile
- Otacilia acuta Fu, Lina, 2016, Zootaxa 4107: 215-216.
Materials Examined
Type material.Holotype ♂, China, Yunnan Province, Xinping County, Ailao Mountain Natural Reserve, Shimenxia scenic spot, 23 ° 58 ′ 159 ″N, 101 ° 30 ′ 666 ″E, 18 May 2011, Zongxu Li leg. Paratype: 1 ♀, same data as for holotype.
Etymology
Etymology. The species name is derived from the Latin word ‘ acuta ’ and refers to the sharp PEA; adjective.
Diagnosis
Diagnosis. The male of the new species is similar to O. pseudostella (Fu et al.2014: 488, figs 3 A–G, 4 A–E), but can be distinguished by: 1) with a sharp PEA prolaterally, pointed to ventral view (Figs 14 E, 15 A) (relatively blunt, and directed to twelve o’clock in O. pseudostella); 2) an E arising medially-distally (Figs 14 F, 15 B) (from approximately the left side in O. pseudostella, and longer in O. pseudostella); 3) a male palpal tibia with two distinct, thin apophyses with the same length (Figs 14 G, 15 C) (a short BTA and a broad RTA in O. pseudostella). The new species also can be distinguished from O. namkhan (Jäger & Wunderlich, 2012: 266, figs 15–21) by: 1) having a sharp PEA prolaterally (absent in O. namkhan); 2) a needle-like E (semicircular in O. namkhan); 3) SP separated by distance slightly larger than their diameter (with shorter distance than their diameter in O. namkhan).
Description
Description. Male (Fig. 14 A). Total length 3.27 (n= 1). Holotype: body 3.27 long; carapace 1.49 long, 1.32 wide; abdomen 1.69 long, 1.10 wide. Carapace brown. Eyes sizes and interdistances: AME 0.09, ALE 0.11, PME 0.08, PLE 0.07; AME–AME 0.05, AME–ALE 0.02, PME–PME 0.09, PME–PLE 0.06. MOA 0.23 long, front 0.21 wide, back 0.25 wide. Clypeus 0.10 high. Cheliceral promargin with three well-separated teeth and retromargin with two teeth close to each other. Labium and gnathocoxae brown. Legs yellow. Leg measurements: leg I 5.87 (1.62, 0.41, 1.60, 1.39, 0.85), II 4.93 (1.35, 0.38, 1.26, 1.10, 0.84), III 4.12 (1.15, 0.39, 0.85, 1.05, 0.68), IV 6.27 (1.72, 0.45, 1.51, 1.62, 0.97). Abdomen yellow brown, anterior half with a large dorsal scutum, occupying almost the whole abdomen; posterior half with three indistinct chevron-shaped markings dorsally. Venter yellow brown. Palp (Figs 14 E–G, 15 A–C): Femur centrally with retroventral apophysis (femur broken). Palpal tibia with two distinct, long, thin apophyses, DTA as long as RTA. PEA sharp, pointed to ventral side. E needle-like, thin apically. SD strongly sclerotized. TA antero-retrolaterally located, small and blunt. Female (Fig. 14 B). Total length 4.92 (n= 1). One paratype: body 4.92 long; carapace 1.67 long, 1.48 wide; abdomen 3.14 long, 2.01 wide. Carapace brown. Eyes sizes and interdistances: AME 0.10, ALE 0.12, PME 0.09, PLE 0.08; AME–AME 0.04, AME–ALE 0.02, PME–PME 0.08, PME–PLE 0.07. MOA 0.24 long, front 0.21 wide, back 0.25 wide. Clypeus 0.10 high. Leg measurements: I 6.26 (1.64, 0.43, 1.79, 1.51, 0.89); II 5.12 (1.37, 0.40, 1.34, 1.18, 0.83); III 4.39 (1.26, 0.42, 0.81, 1.19, 0.71); IV 6.71 (1.84, 0.46, 1.63, 1.83, 0.95). Abdomen light grey, anterior half without dorsal scutum; posterior half with seven chevron-shaped markings dorsally. Epigyne (Figs 14 C–D, 15 D–E): CO small, widely separated, by distance much larger than their diameter. CD thin, short, crescent-shaped, connecting with relatively round, transparent BU. BU located anteriorly from CO. SP small, located posteriorly, separated by distance slightly larger than their diameter. FD originating anteriorly from SP.
Distribution
Distribution. Known only from the type locality, Yunnan, China (Fig. 18).
Taxon Treatment
- Fu, Lina; Zhang, Zhisheng; Zhang, Feng; 2016: New Otacilia species from Southwest China (Araneae: Phrurolithidae), Zootaxa 4107: 215-216. doi
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