Pholcus duryun, Jang & Bae & Lee & Yoo & Kim, 2023
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publication ID |
https://dx.doi.org/10.3897/zookeys.1178.104780 |
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publication LSID |
lsid:zoobank.org:pub:D469B606-78D1-48A9-90D4-863F2858AA84 |
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persistent identifier |
https://treatment.plazi.org/id/83A070B1-B32E-4D63-B6CC-8CC1685F9B91 |
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taxon LSID |
lsid:zoobank.org:act:83A070B1-B32E-4D63-B6CC-8CC1685F9B91 |
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treatment provided by |
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scientific name |
Pholcus duryun |
| status |
sp. nov. |
Pholcus duryun sp. nov.
Figs 2 View Figure 2 , 8A View Figure 8
Material examined.
Holotype: South Korea • ♂; Jeollanam-do, Haenam-gun, Samsan-myeon, Daeheungsa-gil , Mt. Duryunsan ; 34°29.6'N, 126°37.0'E, 88 m; 7 August 2019; S.T. Kim & S.Y. Lee leg.; NIBR #NUHGIV0000000001 GoogleMaps . Paratypes: South Korea • 2♂♂ and 6♀♀ same data as for holotype; NIBR #NUHGIV0000000004-11 GoogleMaps .
Diagnosis.
Pholcus duryun sp. nov. is similar to P. extumidus Paik, 1978 in the shape of the genital organ and body appearance but can be easily distinguished from the latter by the combination of the following characters: male - trochanter with short retrolatero-ventral apophysis; palpal tibia with quadrangular prolatero-ventral modification (Fig. 2H View Figure 2 ); uncus with rather smooth edge (Fig. 2H View Figure 2 ); procursus with triangular prolateral apophysis (numbered 1 in Fig. 2H-J View Figure 2 ) and slightly curved ventrodistal apophysis (numbered 2 in Fig. 2H-J View Figure 2 ) vs trochanter with long retrolatero-ventral apophysis; palpal tibia with semicircular prolatero-ventral modification; uncus with distinctive serrated edge; procursus with claw-shaped prolateral apophysis and strongly curved ventrodistal apophysis in P. extumidus ( Paik 1978: 123, figs 47-49). Female - epigynum with straight anterior arch, median portion narrowly depressed postero-medially, and pore plates longitudinal (Fig. 2E View Figure 2 ) vs epigynum with recurved anterior arch, median portion broadly depressed postero-medially, and pore plates slanted in P. extumidus ( Paik 1978: 123, figs 52-54).
Description.
Male (holotype). Habitus as in Fig. 2A View Figure 2 . Total length 5.60. Carapace: 1.74 long/1.79 wide. Eyes: AER 0.62, PER 0.68, ALE 0.16, AME 0.12, PLE 0.17, PME 0.15, ALE-PLE contiguous, ALE-AME 0.05, AME-AME 0.04, AME-PME 0.06, PME-PLE 0.04, PME-PME 0.24. Chelicera: 0.95 long/0.27 wide. Endite: 0.51 long/0.34 wide. Labium: 0.32 long/0.39 wide. Sternum: 0.80 long/1.15 wide. Legs: I 44.27 (11.38, 0.64, 11.43, 18.43, 2.39), II 29.80 (8.18, 0.69, 7.55, 11.83, 1.55), III 20.68 (6.11, 0.59, 5.08, 7.75, 1.15), IV 27.15 (7.91, 0.65, 6.90, 10.29, 1.40), tibia I L/d 60. Palp: 4.05 (0.80, 0.38, 1.27, -, 1.60). Abdomen: 3.65 long/1.92 wide.
Carapace pale yellowish brown, cephalic region with a pale blackish brown median band, thoracic region with pale blackish brown radial and marginal bands (Fig. 2A View Figure 2 ). Chelicera with three apophyses; blunt proximo-lateral apophysis slightly protruding diagonally upward out of chelicera, small and blunt frontal apophysis protruding forward, and thick and pointed distal apophysis slightly protruding diagonally downward (Fig. 2C, D View Figure 2 ). Legs yellowish brown, retrolateral trichobothrium on tibia I at 8% proximally, tarsus I with 30 pseudosegments, femora, tibiae, and metatarsi with one or two pale blackish brown proximal and distal annuli, leg formula I-II-IV-III.
Abdomen elliptical, pale grayish brown with a long cardiac pattern and many blackish brown irregular spots (Fig. 2A View Figure 2 ). Palp (Fig. 2H-K View Figure 2 ): trochanter with blunt finger-shaped retrolatero-ventral apophysis, much shorter than femur; palpal tibia with a quadrangular prolatero-ventral modification (Fig. 2H View Figure 2 ); bulb pale yellowish brown, pocket-shaped; uncus dark blackish brown and almost rectangular with round and truncated sides having fine scales, edge rather smooth, pseudo-appendix absent; embolus weakly sclerotized and cut off-shaped with some semitransparent fringed distal processes, thick and long, curved (Fig. 2H, K View Figure 2 ); procursus large and long, brown with blackish brown margin, large ventral knee roundly swollen and strongly curved, two distal apophyses present, prolateral apophysis triangular with a pointed tip (numbered 1 in Fig. 2H-J View Figure 2 ) and ventrodistal apophysis long with a pointed tip (numbered 2 in Fig. 2H-J View Figure 2 ), one thin and short dorsal spine present (Fig. 8A View Figure 8 ).
Female (paratype). General appearance similar to male, habitus as in Fig. 2B View Figure 2 . Total length 5.72. Carapace: 1.69 long/1.74 wide. Eyes: AER 0.60, PER 0.67, ALE 0.13, AME 0.12, PLE 0.17, PME 0.14, ALE-PLE contiguous, ALE-AME 0.04, AME-AME 0.04, AME-PME 0.06, PME-PLE 0.04, PME-PME 0.22. Chelicera: 0.83 long/0.27 wide. Endite: 0.55 long/0.31 wide. Labium: 0.30 long/0.37 wide. Sternum: 0.83 long/1.03 wide. Legs: I 34.95 (8.65, 0.65, 8.81, 14.52, 2.32), II 24.17 (6.57, 0.66, 6.03, 9.38, 1.53), III 17.67 (5.11, 0.61, 4.24, 6.58, 1.13), IV 23.80 (6.67, 0.63, 5.89, 9.19, 1.42), tibia I L/d 42. Palp: 1.27 (0.39, 0.18, 0.24, -, 0.46). Abdomen: 3.74 long/1.72 wide. Epigynum: 0.95 wide.
Legs yellowish brown, femora, tibiae, and metatarsi with one or two pale blackish brown proximal and distal annuli, leg formula I-II-IV-III. Epigynum (Fig. 2E, F View Figure 2 ): sclerotized, anterior epigynal plate strongly protruding, anterior arch with median portion straight, anterior epigynal plate and posterior epigynal plate far apart, both sides of median portion sclerotized postero-ventrally; small and short knob with a blunt tip. Internal genitalia (Fig. 2G View Figure 2 ): pore plates roundly triangular, longitudinal, and moderately far apart from each other.
Variation.
Tibia I in two paratype males (NIBR #NUHGIV0000000004-05): 11.24, missing. Tibia I in other five paratype females (NIBR #NUHGIV0000000007-11): 8.66 ± 0.44 (8.84, 8.83, 9.21, 8.10, 8.34).
Habitat.
Rock walls and under rocks in a mountainous mixed forest (Fig. 1B View Figure 1 ).
Distribution.
South Korea (Mt. Duryunsan, Jeollanam-do) (Fig. 1A View Figure 1 ).
Etymology.
The specific name is a noun in apposition referring to the type locality, Mt. Duryunsan.
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.