Ternatus siculus, Sun, Ning, Li, Bin & Tu, Lihong, 2012

Sun, Ning, Li, Bin & Tu, Lihong, 2012, Te rn atu s, a new spider genus from China with a cladistic analysis and comments on its phylogenetic placement (Araneae: Linyphiidae), Zootaxa 3358, pp. 28-54 : 47-48

Ternatus siculus new species

Figs. 2 , 4 , 5 D–F, 8E–H, 9, 10

Etymology. The species name is derived from the Latin word sicilis (“sickle”), in reference to the “falciform” prolateral tibial apophysis characteristic of this species.

Types. Male holotype: Zhangjiajie natural Reserve, Hunan Province, China, N29.34719° E110.43433°, Alt. 938m, Coll. Yurong Qu, 22 Oct. 2007. Paratypes: 2 males, 4 females, same data as holotype.

Diagnosis. See diagnosis for T. malleatus .

Description.

Male (holotype): Total length 2.51. Carapace 1.25 long, 0.79 wide. Abdomen 1.46 long, 0.83 wide. Chelicera with five promarginal and five retromarginal teeth ( Fig. 4 H). Length of legs: I 4.57 (1.30 + 1.50 + 1.18 + 0.59); II 4.28 (1.30 + 1.28 + 1.01 + 0.69); III 3.51 (1.09 +1.02 + 0.82 + 0.58); IV 4.16 (1.39 + 1.36 + 0.97 + 0.44).

Female (paratype): Total length 2.16. Carapace 0.95 long, 0.85 wide. Abdomen 1.52 long, 1.28 wide. Length of legs: I 4.62 (1.34 + 1.45 + 1.04 + 0.79); II 4.51 (1.37 + 1.32 + 1.06 + 0.76); III 3.61 (1.15 +1.10 + 0.77 + 0.59); IV 4.80 (1.53 + 1.55 + 1.05 + 0.67). Tm I: 0.27. Tm IV absent.

For other somatic and genital characters see description for the genus.

Variation.

Males (n = 3). Total length 2.39–2.63. Carapace 1.02–1.29 long, 0.69–0.88 wide. Abdomen 1.21–1.62 long, 0.79–0.93 wide.

Females (n = 4). Total length 2.12–2.32. Carapace 0.93–0.99 long, 0.83–0.91 wide. Abdomen 1.49–1.58 long, 1.26–1.33 wide.

Distribution. China (Hunan) (see map in Fig. 16 ).

Figures

FIGURE 2. Ternatus siculus n. sp. A, male, dorsal; B, female, dorsal; C, male, lateral; D, female epigynum, ventral; E, male palp, retrolateral; F, male palp, prolateral.

FIGURE 4. Ternatus siculus n. sp. A, male prosoma; B, male palp, prolateral; C, male palp, retrolateral; D, tibia of right palp, retrolateral; E, male palp with embolic division removed, ventral; F, female tracheal system; G, embolic division, anterior; H, male chelicera, ventral.

FIGURE 5. Female epigynum. A – C, Ternatus malleatus n. sp. A, ventral; B, ventral, cleared, arrow indicates lateral loop of copulatory groove; C, dorsal, cleared. D – F, Ternatus siculus n. sp. D, ventral; E, ventral, cleared; F, dorsal, cleared.

FIGURE 16. Collecting localities in China of Ternatus malleatus n. sp. (triangle: Huaping, Guangxi Province) and Ternatus siculus n. sp. (circle: Zhangjiajie, Hunan Province).