Amaurobius wulongdongensis sp. nov. (五龙洞暗蛛)
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https://dx.doi.org/10.3897/zookeys.1169.102581 |
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lsid:zoobank.org:pub:0D298638-F6F1-47C6-817E-D31B80C42C36 |
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https://treatment.plazi.org/id/90C3A54D-4BDF-5ACE-96A6-11DBB6C14447 |
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scientific name |
Amaurobius wulongdongensis sp. nov. (五龙洞暗蛛) |
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Amaurobius wulongdongensis sp. nov. (五龙洞暗蛛)
Figs 3 View Figure 3 , 4 View Figure 4 , 5 View Figure 5
Type material.
Holotype ♂: China, Shaanxi Province: Lueyang County, Wulongdong Forest Park, 33°36′17″N, 106°18′34″E, elev. 1786 m, 17 October 2018, L.Y. Wang leg.; Paratypes: 3♀♀, same data as holotype.
Etymology.
The specific name refers to the type locality; adjective.
Diagnosis.
See diagnosis of Amaurobius guangwushanensis sp. nov.
Description.
Male (holotype, Fig. 4A View Figure 4 ) total length 3.99. Carapace 2.12 long, 1.43 wide; opisthosoma 1.83 long, 1.34 wide. Carapace yellowish brown. Cervical groove and radial furrows distinct. Eye measurements and interdistances: AME 0.05, ALE 0.12, PME 0.11, PLE 0.11; AME-AME 0.05, AME-ALE 0.06, PME-PME 0.12, PME-PLE 0.13, ALE-PLE 0.05. MOA 0.36 long, front width 0.17, back width 0.34. Clypeus height 0.11. Chelicerae dark, with 4 promarginal and 4 or 5 retromarginal teeth. Endites and labium yellowish brown, longer than wide. Sternum yellowish, with brown setae. Legs yellow brown. Leg measurements: I 7.40 (2.01, 2.50,1.87, 1.02); II 5.19 (1.37, 1.85, 1.23, 0.74); III 4.70 (1.40, 1.55, 1.16, 0.59); IV 5.83 (1.74, 2.02, 1.49,0.58). Opisthosoma oval, dorsum yellowish brown, with six brown chevrons, extending posteriorly, venter yellowish brown.
Palp (Figs 3A-C View Figure 3 , 4C-E View Figure 4 ). Femur almost as long as cymbium. Patella with strong dorso-apically short spine. Tibia with large semicircular retrolateral tibial apophysis, originating near the base of tibia. Dorsal tibial apophysis large, exterior branch of dorsal tibial apophysis large, longer than wide, interior branch of dorsal tibial apophysis short, somewhat triangular. Cymbium longer than both tibia and patellae, with retrolateral angular projection. Bulb oval, slightly longer than wide. Tegulum widest in middle part. Conductor membranous, sheet-like. Median apophysis sclerotized, doorknob-like, about more than half-length of embolus, present at the center of bulb. Sperm duct visible in prolateral and retrolateral view. Embolus originating prolaterally, short, flat, with bifurcate tip.
Female (Fig. 4B View Figure 4 ). Total length 4.29-4.36. One of paratypes (Fig. 4B View Figure 4 ) total length 4.36. Carapace 2.05 long, 1.36 wide; opisthosoma 2.40 long, 1.75 wide. Eye measurements and interdistances: AME 0.07, ALE 0.13, PME 0.12, PLE 0.11; AME-AME 0.07, AME-ALE 0.09, PME-PME 0.12, PME-PLE 0.14, ALE-PLE 0.06. MOA 0.37 long, front width 0.20, back width 0.35. Clypeus height 0.14. Leg measurements: I 5.39 (1.55, 1.84, 1.20, 0.80); II 4.23 (1.24, 1.45, 0.95, 0.59); III 3.60 (1.13, 1.03, 0.91, 0.53); IV 4.79 (1.46, 1.59, 1.19, 0.55). Opisthosoma color pattern as in male.
Epigyne (Figs 3D, E View Figure 3 , 4F, G View Figure 4 ). Median lobe reduced, somewhat round, with lateral teeth large, semicircular. Copulatory ducts V-shaped, located between spermathecae. Spermathecae semiglobular, almost touching each other. Fertilization ducts originating postero-laterally.
Distribution.
Known only from the type locality, Shaanxi, China (Fig. 5 View Figure 5 ).
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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