Pholcus yongshun Yao & Li

Zhu, Keli, Yao, Zhiyuan, Bai, Xiujuan & Li, Shuqiang, 2018, Five new species of the spider genus Pholcus Walckenaer, 1805 (Araneae: Pholcidae) from China and Thailand, Zootaxa 4377 (2), pp. 235-253: 246-249

publication ID

https://doi.org/10.11646/zootaxa.4377.2.5

publication LSID

lsid:zoobank.org:pub:92AB898C-1B08-44C4-98B6-B0C31E8F9F7D

persistent identifier

http://treatment.plazi.org/id/FC23EE52-FFE5-9477-FF09-F9405E079C8F

treatment provided by

Plazi

scientific name

Pholcus yongshun Yao & Li
status

sp. nov.

Pholcus yongshun Yao & Li  sp. nov.

FIGS 8–9View FIGURE 8View FIGURE 9

Type material. Holotype: MAlE, TUDI TEMPlE (28°54.498’N, 109°10.332’E, ElEVATION 559 M), XIAOXI TOWN, YONGSHUN COUNTY, Hunan, China, 12 JANUARY 2016, Z. CHEN AND J. WANG lEGGoogleMaps  . Paratype: 1 FEMAlE, SAME DATA AS HOlOTYPE  .

Etymology. THE SPECIFIC NAME REFERS TO THE TYPE lOCAlITY, AND IS A NOUN IN APPOSITION.

Diagnosis. THIS SPECIES RESEMBlES P. gonggarensis  YAO & LI, 2016 ( SEE DONG et al. 2016B: 19, FIGS 13–14, 27C –D) WITH SIMIlAR MAlE CHElICERAE ( FIG. 9DView FIGURE 9), BUlBAl APOPHYSES ( FIG. 9CView FIGURE 9) AND EPIGYNUM ( FIG. 9AView FIGURE 9) BUT CAN BE DISTINGUISHED BY THE SHORT RETROlATERO-VENTRAl APOPHYSIS ON THE MAlE PEDIPAlPAl TROCHANTER ( FIGS 8A –BView FIGURE 8), BY THE NARROW, MEMBRANOUS PROlATERAl PROCESS DISTAllY ON THE PROCURSUS ( ARROW 2 IN FIG. 8CView FIGURE 8) AND BY THE NEARlY TRIANGUlAR PORE PlATES ( FIG. 9BView FIGURE 9).

Description. Male (holotype): TOTAl lENGTH 4.95 (5.19 WITH ClYPEUS), CARAPACE 1.38 lONG, 1.60 WIDE, OPISTHOSOMA 3.57 lONG, 1.74 WIDE. LEG I: 43.95 (10.32 + 0.67 + 10.16 + 20.38 + 2.42), lEG II: 27.54 (7.69 + 0.65 + 6.63 + 10.95 + 1.62), lEG III: 19.68 (5.77 + 0.6 + 4.58 + 7.53 + 1.20), lEG IV: 26.21 (7.60 + 0.61 + 6.18 + 10.32 + 1.50); TIBIA I L/D: 74. DISTANCE PME-PME 0.25; DIAMETER PME 0.15; DISTANCE PME-ALE 0.04; DISTANCE AME- AME 0.05; DIAMETER AME 0.10. STERNUM WIDER THAN lONG (1.06/0.97). HABITUS AS IN FIGS 9E –FView FIGURE 9. CARAPACE YEllOWISH, WITH BROWN RADIATING MARKS; OCUlAR AREA YEllOWISH, WITH BROWN MARKS MEDIAllY AND lATERAllY; ClYPEUS AND STERNUM BROWN. LEGS YEllOWISH, BUT DARK BROWN ON PATEllAE AND PROXIMAl PARTS OF TIBIAE, AND WHITISH ON PROXIMAl PARTS OF FEMORA AND DISTAl PARTS OF FEMORA AND TIBIAE, FEMORA (SUBDISTAllY) AND TIBIAE (SUBDISTAllY) WITH DARKER RINGS. OPISTHOSOMA YEllOWISH, WITH SPOTS DORSAllY AND lATERAllY. OCUlAR AREA ElEVATED, WITHOUT EYE-STAlKS. THORACIC FURROW ABSENT. CHElICERAE AS IN FIG. 9DView FIGURE 9, WITH A PAIR OF PROXIMO-lATERAl APOPHYSES, A PAIR OF DISTAl APOPHYSES, AND A PAIR OF FRONTAl APOPHYSES. PEDIPAlPS AS IN FIGS 8A –BView FIGURE 8; TROCHANTER WITH A SHORT RETROlATERO-VENTRAl APOPHYSIS; FEMUR WITH A SMAll DORSAl APOPHYSIS PROXIMAllY ( ARROW IN FIG. 8BView FIGURE 8) AND A DISTINCT VENTRAl PROTUBERANCE; TIBIA WITH A PROJECTION VENTRAllY; PROCURSUS SIMPlE PROXIMAllY BUT COMPlEX DISTAllY, WITH THREE PROlATERO-DORSAl SPINES ( ONE SPINE SEEN IN FIG. 8CView FIGURE 8); UNCUS WITH A SCAlY EDGE; APPENDIX HOOKED, WITH A BRANCH MEDIAllY; EMBOlUS WEAKlY SClEROTIZED, WITH SOME TRANSPARENT PROJECTIONS DISTAllY. RETROlATERAl TRICHOBOTHRIUM OF TIBIA I AT 6% PROXIMAllY; lEGS WITH SHORT VERTICAl SETAE ON TIBIAE, METATARSI AND TARSI, WITHOUT SPINES AND CURVED SETAE; TARSUS I WITH 31 DISTINCT PSEUDOSEGMENTS.

Female: SIMIlAR TO MAlE, HABITUS AS IN FIGS 9G –HView FIGURE 9. TOTAl lENGTH 4.74 (4.93 WITH ClYPEUS), CARAPACE 1.25 lONG, 1.48 WIDE, OPISTHOSOMA 3.49 lONG, 1.60 WIDE; TIBIA I: 6.79; TIBIA I L/D: 54. DISTANCE PME-PME 0.20; DIAMETER PME 0.16; DISTANCE PME-ALE 0.05; DISTANCE AME-AME 0.06; DIAMETER AME 0.09. STERNUM WIDER THAN lONG (0.96/ 0.88). EPIGYNUM ( FIG. 9AView FIGURE 9) WITH A KNOB. VUlVA ( FIG. 9BView FIGURE 9) WITH A SClEROTIZED ANTERIOR ARCH AND TWO NEARlY TRIANGUlAR PORE PlATES.

Variation: RIGHT PROCURSUS IN HOlOTYPE WITH TWO PROlATERO-DORSAl SPINES.

Distribution. CHINA ( HUNAN, TYPE lOCAlITY; FIG. 12View FIGURE12).

Natural history. THE SPECIES WAS FOUND ON THE ROCK WAllS.

BUT

Butler University

PORE

Point Reyes National Seashore

ARCH

Archbold Biological Station

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Pholcidae

Genus

Pholcus