Yueleptoneta dongxing Yang, Tong & Bian, 2022

Yang, Kuiwen, Li, Hanchao, Tong, Yanfeng & Bian, Dongju, 2022, A new genus and species of leptonetid spiders (Araneae, Leptonetidae) from Guangdong Province, China, Biodiversity Data Journal 10, pp. 80219-80219 : 80219

Yueleptoneta dongxing Yang, Tong & Bian sp. n.

Materials

Type status: Holotype. Occurrence: individualCount: 1; sex: male; lifeStage: adult; Taxon: scientificName: Yueleptoneta dongxing; order: Araneae; family: Leptonetidae; genus: Yueleptoneta; scientificNameAuthorship: Yang, Tong & Bian; Location: country: China; stateProvince: Guangdong; county: Heyuan City; locality: Xinhuilong Town, Dongxing Village, Wanlvgu Resort Area ; verbatimElevation: 160 m a.s.l.; verbatimCoordinates: 23°42'44"N, 114°38'5"E; Event: samplingProtocol: sifting leaf litter; eventDate: 24 April 2021 Type status: Paratype. Occurrence: individualCount: 4; sex: female; lifeStage: adult; Taxon: scientificName: Yueleptoneta dongxing; order: Araneae; family: Leptonetidae; genus: Yueleptoneta; scientificNameAuthorship: Yang, Tong & Bian; Location: country: China; stateProvince: Guangdong; county: Qingyuan City, Yingde City; locality: Donghua Temple ; verbatimElevation: 157 m a.s.l.; verbatimCoordinates: 24°9'15"N, 113°26'36"E; Event: samplingProtocol: sifting leaf litter; eventDate: 5 April 2021

Description

Male. Total length 1.81 (Fig. 1 A-C). Carapace 0.83 long, 0.71 wide. Opisthosoma 0.96 long, 0.75 wide. Prosoma brown (Fig. 1 D-F). Median groove dark brown, needle-shaped. Cervical grooves and radial furrows distinct. Clypeus 0.15 high, slightly sloped anteriorly. Six-eyed (Fig. 1 D), ALE and PLE connected to each other by the black bases, PME separated from ALE and PLE. Eye sizes: ALE 0.09, PLE 0.08, PME 0.07. Distance between eyes: ALE-PME 0.09, PLE-PLE 0.09, PLE-PME 0.03. AER 0.15, PER 0.19. Chelicerae light brown, with stridulatory file on lateral margin; fang groove with 1 large and 7 small teeth at promargin and 4 small teeth on retromargin (Fig. 2 F). Endites light brown, anterior margin with serrula (Fig. 2 D and E). Labium dark brown, fused to sternum. Sternum oval, brown. Legs yellowish. Leg measurements: I - (1.14, 0.24, -, -, -); II - (0.93, 0.23, -, -, -); III - (0.78, 0.22, -, -, -); IV 3.78 (1.01, 0.23, 1.01, 0.95, 0.58). Opisthosoma pale yellow, ovoid, with distinct brown patterns. Palp (Fig. 1 G-I and Fig. 2 A-C). Measurements: 2.15 (0.86, 0.28, 0.55, 0.46). Femur without any spines; tibia without apophysis; tarsus with a spur at tip; palpal bulb oval in shape, smooth; conductor membranous, flattened; embolus leaf-shaped.

Female. Similar to male in general features (Fig. 2 I-K and Fig. 3 A-C). Total length 1.62. Carapace 0.66 long, 0.62 wide. Opisthosoma 1.02 long, 0.87 wide. Eye sizes: ALE 0.08, PLE 0.07, PME 0.06. Distance between eyes: ALE-PME 0.09, PLE-PLE 0.09, PLE-PME 0.03. AER 0.14, PER 0.18. Clypeus 0.10 high. Leg measurements: I 2.78 (0.73, 0.21, 0.74, 0.63, 0.47); II 2.35 (0.63, 0.21, 0.54, 0.58, 0.39); III 2.05 (0.59, 0.20, 0.45, 0.47, 0.34); IV 2.74 (0.75, 0.21, 0.71, 0.65, 0.42). Leg formula: I-IV-II-III. Metatarsus II with ventro-apical preening comb (Fig. 3 F). Internal genitalia consisting of paired spermathecae and sperm ducts. Spermathecae highly coiled (Fig. 3 D and E).

Diagnosis

Specimens of Yueleptoneta dongxing sp. n. are distinguished by the characters discussed in the genus diagnosis section.

Etymology

The specific name is a noun in apposition and refers to the type locality.

Figures

Figure 1. Yueleptoneta dongxing sp. n., holotype male. A habitus, dorsal view; B habitus, ventral view; C habitus, lateral view; D prosoma, dorsal view; E prosoma, ventral view; F prosoma, lateral view; G left palp, retrolateral view; H left palp, ventral view; I left palp, dorsal view. Abbreviation: Ts = tarsal spur. Scale bars: 0.4 mm (A-F) and 0.2 mm (G-I).

Figure 2. Yueleptoneta dongxing sp. n., holotype male (A-H), paratype female (I-K), SEM. A left palp, ventral view; B left palp, retrolateral view; C detail of left palp, retrolateral view; D endite, ventral view; E detail of endite, ventral view; F left chelicera, posterior view; G patella III, dorsal view; H detail of patella III, dorsal view; I left chelicera, posterior view; J left chelicera, lateral view; K detail of patella III, dorsal view. Abbreviations: Co = conductor, Em = embolus, Ser = serrula, Str = stridulatory file, Ts = tarsal spur. Scale bars: 0.1 mm (A-G, I, J) and 0.02 mm (H, K).

Figure 3. Yueleptoneta dongxing sp. n., paratype female. A habitus, dorsal view; B habitus, ventral view; C habitus, lateral view; D genitalia, ventral view; E genitalia, dorsal view; F metatarsus II, lateral view, arrow shows preening comb. Abbreviations: At = atrium, Sd = sperm duct, Sp = spermatheca. Scale bars: 0.4 mm (A-C), 0.2 mm (D-E) and 0.1 mm (F).