Mutatus tianyan, Mu & Wang & Zhang & Zhang, 2025
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publication ID |
https://doi.org/10.3897/zookeys.1226.137752 |
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publication LSID |
lsid:zoobank.org:pub:6891FA95-5A4A-456F-8AC3-5A14939628E8 |
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DOI |
https://doi.org/10.5281/zenodo.14827174 |
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persistent identifier |
https://treatment.plazi.org/id/5B085250-E23D-5468-B9FF-2085D7785F85 |
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treatment provided by |
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scientific name |
Mutatus tianyan |
| status |
sp. nov. |
Mutatus tianyan sp. nov.
Chinese name: 天燕幻蛛 Figs 5 View Figure 5 , 6 View Figure 6 , 8 View Figure 8
Type material.
Holotype: China • ♂ Hubei province: Shennongjia Forest District, Tianyan Primitive Ecotourism Area ; 31°43'16"N, 110°28'31"E, elev. 1871 m, 14 June 2023, Z. S. Zhang, Y. J. Cai leg. GoogleMaps Paratype: • 7 ♀, with same data as holotype GoogleMaps .
Etymology.
This specific name is derived from the type locality; a noun in apposition.
Diagnosis.
See the diagnosis of M. tujia sp. nov.
Description.
Male (holotype, Fig. 5 A, B View Figure 5 ). Total length 3.18, carapace 1.59 long, 1.35 wide; abdomen 1.59 long, 1.05 wide. Eye sizes and interdistances: AME 0.07, ALE 0.09, PME 0.08, PLE 0.09; AME – AME 0.06, AME – ALE 0.02, ALE – ALE 0.24, PME – PME 0.08, PME – PLE 0.08, PLE – PLE 0.40, ALE – PLE 0.06. EAW 0.52, CRW 0.74, EAW / CRW 0.70. CRW / CW 0.55. MOA 0.22 long, anterior width 0.19, posterior width 0.25. Clypeal height 0.15, CH / AME 2.14. Labium 0.21 long, 0.25 wide. Sternum 0.96 long, 0.91 wide. Carapace oval, cervical groove inconspicuous. Sternum, labium, and endite brown, without pattern. Abdomen brown, smooth, with large dorsal scutum covering almost entire abdomen. Legs brown.
Palp (Fig. 6 A – D View Figure 6 ). Femoral apophysis (FA) well developed, thumb-shaped, located at middle part. Patella longer than tibia, as half the length of femur. Tibia longer than wide, with 2 apophyses, retroventral apophysis (RvTA) tail-shaped, tapering towards tip; retrolateral apophysis (RTA) strong, longer and wider than retroventral apophysis, tip curved ventrally in dorsal view. Bulb pyriform, sperm duct (SD) distinct, V-shaped. Prolateral tegular apophysis (PTA) originating at nearly 9 o’clock position, slightly curved, tip truncated. Tegular sheet (TS) spade-shaped, anterior part large and wide, posterior part small, tongue-shaped. Embolus (E) needle-like, tapering towards tip.
Female (one of paratype, Fig. 5 C, D View Figure 5 ). Total length 4.02, carapace 1.55 long, 1.44 wide; abdomen 2.47 long, 1.56 wide. Eye sizes and interdistances: AME 0.07, ALE 0.10, PME 0.07, PLE 0.10; AME – AME 0.05, AME – ALE 0.02, ALE – ALE 0.24, PME – PME 0.08, PME – PLE 0.06, PLE – PLE 0.37, ALE – PLE 0.06. EAW 0.52, CRW 0.75, EAW / CRW 0.69. CRW / CW 0.52. MOA 0.22 long, anterior width 0.19, posterior width 0.25. Clypeal height 0.14, CH / AME 2.00. Labium 0.21 long, 0.25 wide. Sternum 0.96 long, 0.91 wide. Other characters as for male, except dorsal scutum absent, color lighter and body slightly larger.
Epigyne (Fig. 6 E, F View Figure 6 ). Epigynal plate slightly sclerotized, with a pair of atria, a clavate protuberance located at middle part of lateral margin of atrium. Median septum (MS) dumbbell-shaped. Copulatory openings (CO) slit-like, inconspicuous, located at anterior of atrium. Copulatory ducts (CD) straight, indistinct. Connecting tubes (CT) shorter than copulatory ducts. Bursae (B) small, almost rectangular, translucent. Glandular appendages (GA) mastoid-shaped. Spermathecae (S) clavate, separated by median septum. Fertilization ducts (FD) located at posterior of spermathecae.
Measurement of legs:
Spination of legs:
Distribution.
Known only from the type locality.
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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