Five new species of the spider genus Pholcus Walckenaer, 1805 (Araneae: Pholcidae) from China and Thailand
Author
Zhu, Keli
Author
Yao, Zhiyuan
Author
Bai, Xiujuan
Author
Li, Shuqiang
text
Zootaxa
2018
2018-02-01
4377
2
235
253
journal article
30865
10.11646/zootaxa.4377.2.5
d959a126-44a7-428d-b4ae-c14268d615a6
1175-5326
1163911
92AB898C-1B08-44C4-98B6-B0C31E8F9F7D
Pholcus yongshun
Yao & Li
sp. nov.
FIGS 8–9
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
lEG
.
Paratype
:
1 FEMAlE,
SAME DATA
AS
HOlOTYPE
.
Etymology.
THE SPECIFIC NAME REFERS TO THE
TYPE
lOCAlITY, AND IS A NOUN IN APPOSITION.
FIGURE 8.
Pholcus yongshun
Yao & Li
sp. nov.
, holotype male. A–B. Pedipalp (A. Prolateral view; B. Retrolateral view, arrow points at dorsal apophysis on femur proximally); C–D. Distal part of procursus (C. Prolateral view, arrow 1 points at prolatero-dorsal spine, arrow 2 points at prolateral process; D. Dorsal view). a = appendix, b = bulb, e = embolus, pr = procursus, u = uncus. Scale bars: 0.20 (A–B), 0.05 (C–D).
FIGURE 9.
Pholcus
yongshun
Yao & Li
sp. nov.
, holotype male (C–F) and paratype female (A–B, G–H). A. Epigynum, ventral view; B. Vulva, dorsal view; C. Bulbal apophyses, prolateral view; D. Chelicerae, frontal view; E–H. Habitus (E, G. Dorsal view; F. Lateral view; H. Ventral view). a = appendix, da = distal apophysis, e = embolus, fa = frontal apophysis, pa = proximo-lateral apophysis, pp = pore plate, u = uncus. Scale bars: 0.10 (A–C), 0.20 (D), 1.00 (E–H).
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. 9D
), BUlBAl APOPHYSES (
FIG. 9C
) AND EPIGYNUM (
FIG. 9A
) BUT CAN BE DISTINGUISHED BY THE SHORT RETROlATERO-VENTRAl APOPHYSIS ON THE MAlE PEDIPAlPAl TROCHANTER (
FIGS 8A–B
), BY THE NARROW, MEMBRANOUS PROlATERAl PROCESS DISTAllY ON THE PROCURSUS (ARROW 2 IN
FIG. 8C
) AND BY THE NEARlY TRIANGUlAR PORE PlATES (
FIG. 9B
).
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–F
. 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. 9D
, WITH A PAIR OF PROXIMO-lATERAl APOPHYSES, A PAIR OF DISTAl APOPHYSES, AND A PAIR OF FRONTAl APOPHYSES. PEDIPAlPS
AS
IN
FIGS 8A–B
; TROCHANTER WITH A SHORT RETROlATERO-VENTRAl APOPHYSIS; FEMUR WITH A SMAll DORSAl APOPHYSIS PROXIMAllY (ARROW IN
FIG. 8B
) 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. 8C
); 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–H
. 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. 9A
) WITH A KNOB. VUlVA (
FIG. 9B
) 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. 12
).
Natural history.
THE SPECIES WAS FOUND ON THE ROCK WAllS.