Pholcus luonan Yang & Yao, 2024
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publication ID |
https://dx.doi.org/10.3897/zse.100.116759 |
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publication LSID |
lsid:zoobank.org:pub:1149D05E-7AF5-43D9-A18F-C58157F9A36C |
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persistent identifier |
https://treatment.plazi.org/id/4A9F4DB6-3FF3-46D9-8131-3BAD55918638 |
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taxon LSID |
lsid:zoobank.org:act:4A9F4DB6-3FF3-46D9-8131-3BAD55918638 |
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treatment provided by |
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scientific name |
Pholcus luonan Yang & Yao |
| status |
sp. nov. |
Pholcus luonan Yang & Yao sp. nov.
Figs 4 View Figure 4 , 5 View Figure 5
Type material.
Holotype ♂ (SYNU-Ar00369) and paratypes 1♂ (IAECAS-Ar00370Y) 2♀ (SYNU-Ar00371, IAECAS-Ar00372Y), China, Shaanxi, Shangluo, Luonan County, Beikuanping Town, Hanziping Village (33°59.67'N, 110°9.28'E, 1105 m elev.), 21/07/2022.
Etymology.
The specific name refers to the type locality and is a noun in apposition.
Diagnosis.
The new species resembles P. tangyuensis Yao & Li, 2016 ( Dong et al. 2016: 30, figs 21A-D, 22A-H) by having similar male chelicerae and epigyne (Fig. 5A, D View Figure 5 ), but can be distinguished by dorso-median part of procursus not protruding (Fig. 4B View Figure 4 vs. protruding), by male palpal trochanteral apophysis with distinct retrolateral branch (Fig. 4B View Figure 4 vs. indistinct projection), by uncus latero-medially strongly protruding (Fig. 5C View Figure 5 vs. latero-proximally slightly protruding), by appendix without branch (Fig. 5C View Figure 5 vs. present) and by vulval pore plates nearly elliptic (anteriorly wide and posteriorly narrow, Fig. 5B View Figure 5 vs. nearly round).
Description.
Male (holotype). Total length 4.92 (5.06 with clypeus), carapace 1.56 long, 1.78 wide, opisthosoma 3.36 long, 1.56 wide. Legs I and II missing, leg III: 17.78 (5.19, 0.61, 4.10, 6.80, 1.08), leg IV: 24.87 (7.92, 0.65, 5.83, 9.12, 1.35). Eye interdistances and diameters: PME-PME 0.26, PME 0.17, PME-ALE 0.06, AME-AME 0.06, AME 0.12. Sternum width/length: 1.16/0.94. Habitus as in Fig. 5E, F View Figure 5 . Carapace yellowish, with brown radiating marks and marginal brown bands; ocular area yellowish, with median and lateral brown bands; clypeus brown; sternum yellowish, with brown marks. Legs yellowish, but dark brown on patellae and whitish on distal parts of femora and tibiae, with darker rings on subdistal parts of femora and proximal and subdistal parts of tibiae. Opisthosoma yellowish, with dorsal and lateral spots. Chelicerae (Fig. 5D View Figure 5 ) with pair of proximo-lateral apophyses, pair of distal apophyses with two teeth each and pair of frontal apophyses. Palp as in Fig. 4A, B View Figure 4 ; trochanter with long (3 times longer than wide) ventral apophysis bearing distinct retrolateral branch; femur with small retrolatero-proximal apophysis and distinct ventral protuberance; tibia with prolatero-ventral protuberance; procursus (Fig. 4C, D View Figure 4 ) simple proximally, but complex distally, with raised prolatero-subdistal membranous edge bearing distal membranous process, sclerotised prolatero-subdistal apophysis and two strong and one slender dorsal spines; uncus (Fig. 5C View Figure 5 ) latero-medially protruding, with proximal apophysis and distal scaly edge; appendix (Fig. 5C View Figure 5 ) curved, with distal scales; embolus (Fig. 5C View Figure 5 ) weakly sclerotised, with some indistinct transparent distal projections. Legs with short vertical setae on tibiae, metatarsi and tarsi.
Female (paratype). Similar to male, habitus as in Fig. 5G, H View Figure 5 . Total length 4.70 (4.80 with clypeus), carapace 1.38 long, 1.45 wide, opisthosoma 3.32 long, 2.31 wide; tibia I: 6.04; tibia I L/d: 48. Eye interdistances and diameters: PME-PME 0.23, PME 0.15, PME-ALE 0.05, AME-AME 0.06, AME 0.11. Sternum width/length: 0.96/0.78. Epigyne (Fig. 5A View Figure 5 ) nearly triangular, laterally strongly sclerotised, with knob (distally narrowed). Vulva (Fig. 5B View Figure 5 ) with laterally strongly curved, sclerotised anterior arch, pair of nearly elliptic pore plates (anteriorly wide and posteriorly narrow) and pair of wavy sclerites.
Variation.
Tibia I in paratype male: 8.75; tibia I L/d: 58. Retrolateral trichobothrium on tibia I at 6% proximally; tarsus I with 31 distinct pseudosegments. Leg I missing in another female paratype.
Habitat.
Underside of overhang on rocky cliffs in the mountain area.
Distribution.
China (Shaanxi, type locality; Fig. 1 View Figure 1 ).
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.