Pholcus ningan Yao & Li sp. nov.

FIGS 6–7

Type material. Holotype: MAlE, JINGPO LAKE SCENIC SPOT (44°03.320'N, 128°56.611'E, ElEVATION 353 M), NINGAN COUNTY, MUDANJIANG, Heilongjiang, China, 12 JUlY 2016, Z . CHEN lEG. Paratypes: 2 MAlES AND 3 FEMAlES, SAME DATA AS HOlOTYPE .

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

Diagnosis. THIS SPECIES RESEMBlES P. chiakensis SEO, 2014 (SEE SEO 2014: 400, FIGS 1A–E, 2A–H) WITH SIMIlAR MAlE CHElICERAE (FIG. 7D) AND FEMAlE GENITAlIA (FIGS 7A–B) BUT CAN BE DISTINGUISHED BY THE ABSENCE OF RETROlATERAl BRANCHES ON THE MAlE PEDIPAlPAl TROCHANTER (FIG. 6B), BY THE ABSENCE OF POINTED APOPHYSES PROXIMAllY ON THE UNCUS (FIG. 7C) AND BY THE PRESENCE OF A POINTED, SClEROTIZED PROlATERAl APOPHYSIS SUBDISTAllY ON THE PROCURSUS (ARROW IN FIG. 6C).

Description. Male (holotype): TOTAl lENGTH 5.77 (6.02 WITH ClYPEUS), CARAPACE 1.60 lONG, 2.05 WIDE, OPISTHOSOMA 4.04 lONG, 1.80 WIDE. LEG I: 44.60 (10.90 + 0.82 + 11.60 + 18.59 + 2.69), lEG II: 30.35 (8.28 + 0.71 + 7.88 + 11.86 + 1.62), lEG III: 21.39 (6.41 + 0.44 + 5.25 + 8.01 + 1.28), lEG IV: 29.17 (8.20 + 0.69 + 7.40 + 11.28 + 1.60); TIBIA I L/D: 56. DISTANCE PME-PME 0.27; DIAMETER PME 0.13; DISTANCE PME-ALE 0.08; DISTANCE AME- AME 0.05; DIAMETER AME 0.13. STERNUM WIDER THAN lONG (1.33/1.13). HABITUS AS IN FIGS 7E–F. CARAPACE YEllOWISH, WITH BROWN RADIATING MARKS AND BROWN BANDS MARGINAllY; OCUlAR AREA YEllOWISH, WITH BROWN MARKS MEDIAllY AND lATERAllY; ClYPEUS YEllOWISH, WITH BROWN MARKS MEDIAllY; STERNUM YEllOWISH, WITH BROWN MARKS. LEGS YEllOWISH, BUT DARK BROWN ON PATEllAE AND PROXIMAl PARTS OF METATARSI, AND WHITISH ON DISTAl PARTS OF FEMORA AND TIBIAE, FEMORA (SUBPROXIMAllY AND SUBDISTAllY) AND TIBIAE (SUBPROXIMAllY AND SUBDISTAllY) WITH DISTINCT DARKER RINGS. OPISTHOSOMA YEllOWISH, WITH SPOTS DORSAllY AND lATERAllY. OCUlAR AREA ElEVATED, WITHOUT EYE-STAlKS. THORACIC FURROW ABSENT. CHElICERAE AS IN FIG. 7D, WITH A PAIR OF PROXIMO-lATERAl APOPHYSES, A PAIR OF DISTAl APOPHYSES, AND A PAIR OF FRONTAl APOPHYSES. PEDIPAlPS AS IN FIGS 6A–B; TROCHANTER WITH A VENTRAl APOPHYSIS; FEMUR WITH A DISTINCT VENTRAl PROTUBERANCE; TIBIA WITH A PROJECTION PROlATERAllY; PROCURSUS SIMPlE PROXIMAllY BUT COMPlEX DISTAllY, WITH A POINTED, SClEROTIZED PROlATERAl APOPHYSIS SUBDISTAllY (ARROW IN FIG. 6C) AND A DORSAl SPINE (ARROW IN FIG. 6D); UNCUS WITH A SCAlY EDGE; ‘PSEUDO-APPENDIX’ HOOKED (ARROW IN FIG. 7C); 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 36 DISTINCT PSEUDOSEGMENTS.

Female: SIMIlAR TO MAlE, HABITUS AS IN FIGS 7G–H. TOTAl lENGTH 5.13 (5.38 WITH ClYPEUS), CARAPACE 1.47 lONG, 1.76 WIDE, OPISTHOSOMA 3.66 lONG, 1.90 WIDE; TIBIA I: 8.65; TIBIA I L/D: 52. DISTANCE PME-PME 0.21; DIAMETER PME 0.09; DISTANCE PME-ALE 0.08; DISTANCE AME-AME 0.05; DIAMETER AME 0.13. STERNUM WIDER THAN lONG (1.19/ 0.94). ClYPEUS BROWN. EPIGYNUM (FIG. 7A) WITH A KNOB. VUlVA (FIG. 7B) WITH A SClEROTIZED ANTERIOR ARCH AND TWO NEARlY EllIPTIC PORE PlATES.

Variation: TIBIA I IN ONE MAlE PARATYPE (lEG I MISSING IN ANOTHER MAlE PARATYPE): 10.26. TIBIA I IN ONE FEMAlE PARATYPE (lEG I MISSING IN ANOTHER FEMAlE PARATYPE): 8.40.

Distribution. CHINA (HEIlONGJIANG, TYPE lOCAlITY; FIG. 12).

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