Arctosa tangguoi Wang, Li & Zhang 2021
Creators: name: Wang, Lu-Yu
name: Li, Shuqiang
name: Pham, Dinh-Sac
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Lycosidae
Arctosa
Arctosa tangguoi

description: Arctosa tangguoi Wang, Li & Zhang, 2021
Figures 3–4, 7
Arctosa tangguoi Wang, Li & Zhang, in Wang et al. 2021a: 25, figs 16–18 (♂) (examined).
Type material. CHINA: Holotype male, Lingshui County, Diaoluo Mountain Nature Reserve, 18°41.445′N, 109°52.410′E, elev. 620 m, 16.IV.2009, G. Tang leg. (IZCAS), examined.
Material examined. VIETNAM: 1 (Ar45275) male, Ninh Binh Province, Cuc Phuong National Park, 20°21.216′N, 105°37.025′E, elev. 436 m, 8 October 2007, Dinh-Sac Pham leg.; 1 female (Ar45276), Ninh Binh Province, Cuc Phuong National Park, 20°17.066′N, 105°10.253′E, elev. 273 m, 6 November 2007, Dinh-Sac Pham leg.; 1 female (Ar45277), Vinh Phuc Province, Tam Dao National Park, 1–29 February 2008, Dinh-Sac Pham leg.; 1 female (Ar45278), Ninh Binh Province, Cuc Phuong National Park, 20°20.566′N, 105°36.024′E, elev. 408 m, 5 July 2007, Dinh-Sac Pham leg.
Diagnosis: This species resembles A. hainan Wang, Li & Zhang, 2021 (Wang et al. 2021a: 24, figs 10–12) in having arc-shaped median apophysis with anterior furrow, small and membranous conductor, broad and rectangular septum, arc-shaped and short spermathecal stalks, but differs by the sword-shaped median apophysis (vs. slightly curved with a hook-shaped tip in A. hainan), the axe-shaped terminal apophysis (vs. knife-shaped in A. hainan), the crescent-shaped tip of the median apophysis (vs. longer than wide with broad tip in A. hainan) (Figs 3A–B, 4C–F), and by the spermathecal heads larger and closer to each other (vs. small and more widely separated from each other in A. hainan) (Figs 3D, 4H).
Description: Male (Fig. 4A) description see Wang et al. (2021a).
Female (Fig. 4B) total length 6.07. Prosoma 3.30 long, 2.26 wide; opisthosoma 3.18 long, 1.89 wide. Carapace brown. Eye sizes and interdistances: AME 0.10, ALE 0.10, PME 0.27, PLE 0.22; AME–AME 0.09, AME–ALE 0.06, PME–PME 0.18, PME–PLE 0.23. Clypeus height 0.09. Chelicerae brown, with three promarginal and three retromarginal teeth. Endites and labium yellow-brown, longer than wide. Sternum yellow-brown, with sparse brown setae. Legs yellow-brown. Leg measurements: I 7.01 (2.00, 2.43, 1.51, 1.07); II 6.68 (1.86, 2.32, 1.47, 1.03); III 6.27 (1.69, 1.90, 1.67, 1.01); IV 1.30 (2.48, 2.98, 2.88, 1.30). Leg formula: 4123. Opisthosoma oval. Dorsum greybrown, with three pairs of bright specks. Venter yellow-brown.
Epigyne (Figs 3C–D, 4G–H). Septum broad and rectangular, with a noticeably narrow stem. Copulatory openings located anterior-laterally. Spermathecal heads round, situated close to each other. Spermathecal stalks short and arc-shaped. Fertilization ducts crescent-shaped.
Distribution. Vietnam (Ninh Binh, Vinh Phuc) (Fig. 7), China (Hainan).
description: Published as part of Wang, Lu-Yu, Li, Shuqiang & Pham, Dinh-Sac, 2024, The wolf spiders of three national parks in Northern Vietnam (Araneae: Lycosidae), pp. 234-244 in Zootaxa 5537 (2) on pages 238-240, DOI: 10.11646/zootaxa.5537.2.4, http://zenodo.org/record/14239502