Thomisus yarang Wang, Lu & Zhang, 2024
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publication ID |
https://doi.org/ 10.3897/zookeys.1217.127555 |
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publication LSID |
lsid:zoobank.org:pub:B7E1DDC6-9834-42EA-A80E-77ABAADF14F1 |
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DOI |
https://doi.org/10.5281/zenodo.14025561 |
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persistent identifier |
https://treatment.plazi.org/id/D3B67A42-9792-4B5D-BB7B-077186A88D48 |
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taxon LSID |
lsid:zoobank.org:act:D3B67A42-9792-4B5D-BB7B-077186A88D48 |
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treatment provided by |
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scientific name |
Thomisus yarang Wang, Lu & Zhang |
| status |
sp. nov. |
Thomisus yarang Wang, Lu & Zhang sp. nov.
Figs 3 K – L View Figure 3 , 10 View Figure 10 , 11 View Figure 11
Type material.
Holotype • ♂ ( SWUC -T-THO-06-01 ), China, Xizang, Medog County, Medog Town, Yarang Village , 29°17.758'N, 95°16.827'E, elev. 761 m, 28 June 2018, L. Y. Wang, Z. S. Wu and Y. N. Mu leg. GoogleMaps Paratypes: • 1 ♂ 1 ♀ ( SWUC -T-THO-06-02 and SWUC -T-THO-06-02 - 03), same data as for holotype GoogleMaps .
Etymology.
The specific name is derived from the type locality; it is a noun in apposition.
Diagnosis.
The new species resembles T. labefactus Karsch, 1881 ( Song and Zhu 1997: 167, fig. 117 A – E) in having a similar long and curved embolus, but it differs from the latter by the long, digitiform ventral tibial apophysis (vs short and conical in T. labefactus ), the groove-shaped retrolateral tibial apophysis (vs base stretches in T. labefactus ), and the arc-shaped copulatory ducts (vs semicircular in T. labefactus ) (Fig. 10 View Figure 10 ).
Description.
Male holotype ( SWUC -T-THO-06-01 , Fig. 3 K View Figure 3 ) total length 3.84. Prosoma 1.90 long, 1.98 wide; opisthosoma 2.24 long, 2.31 wide. Carapace brown, with a great many small denticles. Eye sizes and interdistances: AME 0.12, ALE 0.14, PME 0.11, PLE 0.10; AME – AME 0.27, AME – ALE 0.32, PME – PME 0.57, PME – PLE 0.42, ALE – PLE 0.24. MOA 0.39 long, anterior width 0.51, posterior width 0.75. Clypeus height 0.30. Chelicerae brown, with 3 promarginal and 2 retromarginal teeth. Leg measurements: I 5.35 (1.75, 1.87, 0.97, 0.76); II 5.48 (1.82, 1.93, 0.95, 0.78); III 2.94 (0.95, 1.06, 0.49, 0.44); IV 3.11 (1.04, 1.02, 0.58, 0.47). Leg formula: 2143. Opisthosoma brown, dorsum with small spines, venter yellow.
Palp (Fig. 10 A, B View Figure 10 ). Tibia as long as wide. Ventral tibial apophysis blunt, digitiform. Retrolateral tibial apophysis large, wide, groove-shaped. Embolus originating at approximately 11 - o’clock position, curved along with bulb.
Female paratype ( SWUC -T-THO-06-03 , Fig. 3 L View Figure 3 ) total length 10.73. Prosoma 5.42 long, 5.19 wide; opisthosoma 5.84 long, 8.29 wide. Carapace yellowish. Eye sizes and interdistances: AME 0.20, ALE 0.23, PME 0.16, PLE 0.18; AME – AME 0.56, AME – ALE 0.71, PME – PME 1.09, PME – PLE 0.73, ALE – PLE 0.37. MOA 0.79 long, anterior width 0.95, posterior width 1.43. Clypeus height 0.65. Leg measurements: I 15.60 (4.99, 5.75, 2.81, 2.05); II 14.69 (4.74, 5.51, 2.69, 1.75); III 8.68 (2.92, 3.14, 1.62, 1.00); IV 10.14 (3.30, 3.72, 1.93, 1.19). Leg formula: 2143. Opisthosoma white, with a brown spot.
Epigyne (Fig. 10 C, D View Figure 10 ). Epigynal plate oval. Copulatory openings arc-like, distant from each other. Copulatory ducts arc-like, three times longer than wide. Spermathecae transparent, spherical. Fertilization ducts crescent-shaped.
Variation.
Males (n = 2) total length 3.29–3.84.
Distribution.
Known only from the type locality, Medog, Xizang, China (Fig. 11 View Figure 11 ).
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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