Philodromus xinjiangensis TANG et SONG, 1987

Szita, É., Logunov, D. & O, P., 2008, A Review Of The Histrio Group Of The Spider Genus Philodromus Walckenaer, 1826 (Araneae, Philodromidae) Of The Eastern Palaearctic Region, Acta Zoologica Academiae Scientiarum Hungaricae 54 (1), pp. 23-73 : 53-54

Philodromus xinjiangensis TANG et SONG, 1987

(Figs 36–38, 45–46, 77, Map 11 )

Philodromus xinjiangensis Tang & Song , in Wu & Song, 1987: 33, fig. 13A-B (D f; the f holotype in the Institute of Zoology, Beijing, China; not examined).

Material examined: AZERBAIJAN: Abşeron [=Apsheron] Pnsl., Baku, Ganly-Gel Lake, 40°21.46’N, 49°48.36’E, Yu. M. Marusik, ZMMU – 20/ 05–6/06/2003, 1 m; Ali Bayramli [= Ali-Bairamly] Distr., Kur-Aras [= Kura-Araks] Depression, SE Shirvan’ Plain, Shirvan’ Reserve , c. 39°33’40”N, 49°07’45”E, 1–25 m a.s.l., E. F. Guseinov, ZMMU – 28–30/05/2000, 2 f; no exact locality, P. M. Dunin, SZMN – 16/06/1977, 1 f. – KAZAKHSTAN: Kzyl-Orda Region: Zhanakorgan [=Yanykurgan] Distr. , Kyzylkum Desert , c. 28 km SW of Zhanakorgan [=Yanykurgan], c. 43°43’20”N, 66°58’50E, 165–169 m a.s.l., sands, A. A. Zyuzin, SZMN – 14/06/1989, 1 m. Almaty [=Alma-Ata] Region: Ili Distr., E slope of Karaoi Plateau, N vicinities of Kapchagai Town , c. 43°54’10”N, 77°05’E, 520–540 m a.s.l., M. V. Zarko & A. A. Zyuzin, ZMMU – 27/05/1988, 1 f. – TURKMENISTAN: Lebap [=Charzhev, Chardzhev, Chardzhou] Region, Farap [=Farab] Distr. , Amudarya Nature Reserve , Amudarya River valley , right riverside, Nargyz [=Nargiz] Isl. , c. 39°38’45”N, 62°53’E, 166–168 m a.s.l., S. K. Alekseev, ZMMU – 17/04/1983, 2 f. – UZBEKISTAN: Bukhoro [=Bukhara] Region, Bukhoro [=Bukhara] Distr. , c. 28.5 km SE of Bukhoro [=Bukhara], nr. the office of ‘ Bukhara Dzheiran Nursery’ , 39°34’25”N, 64°42’50”E, c. 222 m a.s.l., A. A. Zyuzin, ZMMU – 19/06/1994, 3 m 2 f.

Diagnosis: Embolus poorly marked, basal part flat with a dorsal ridge. PTA small, clawlike. RTA thin, peaky. EA thin. CD wide, short.

Male ( Uzbekistan: ‘Bukhara Dzheiran Nursery’): Prosoma reddish brown, with the pattern of whitish and brown stripes ( Fig. 77 ). Opisthosoma whitish or beige, with dark brown and greyish brown pattern. Measurements (n= 3). Body length 3–3.8. PsL 1.25–1.55, PsW 1.30–1.55, OsL 1.75–2.25, OsW 1.10–1.45. Distances between eyes: AME 0.08–0.09, ALE 0.07–0.08, PME 0.06–0.07, PLE 0.06–0.07, AME-AME 0.1–0.12, AME-ALE 0.4–0.6, PME-PME 0.18–0.2, PME-PLE 0.12–0.13, MOA-AW 0.28–0.29, MOA-PW 0.29–0.34, MOA-L 0.28–0.3, AME-PME 0.15–0.17, ALE-PLE 0.11–0.13. Length of leg segments: FeI 2.10–2.40, PaI 0.70–0.75, TiI 1.80–2.20, MtI 1.68–2.08, TaI 1.00–1.25, FeII 2.55–3.35, PaII 0.85–1.03, TiII 2.75–3.30, MtII 2.50–2.85, TaII 1.20–1.65, FeIII 1.70–2.00, PaIII 0.60–0.70, TiIII 1.45–1.65, MtIII 1.30–1.55, TaIII 0.73–0.90, FeIV 1.90–2.28, PaIV 0.60–0.65, TiIV 1.60–1.75, MtIV 1.50–1.80, TaIV 0.75–0.85. Total length of legs: leg1 7.275 –8.575, leg2 9.85–12.075, leg3 5.775–6.8, leg4 6.35–7.325. Spination of leg I: femur: d 0–1–1–0–1; pl 0–0–1–1–1; v -; rl 0–0–0–0–1 or 0–0–1–0–1 or 0–0–1–1–1. tibia: d 0–0–1; pl 1–1–0–1–0 or 0–0–1–0–1; v 2–0–2–0–2ap; rl 1–0–1–0–1 or 1–1–0–1–0. metatarsus: d -; pl 1–0–1–0–1; v 2–0–2–0–0ap; rl 1–0–1–0–1.

Palpus (Figs 36–38). CyL 0.57–0.62, CyW 0.29–0.34, PTiL. 0.22–0.25. Embolus medium wide basally, widened medially and with a ventral curved rib; embolic tip inconspicous. The PTA small, claw-shaped, poorly seen. The VTA flat and memranous. The RTA triangular, with the pointed tip.

Female ( Uzbekistan: ‘Bukhara Dzheiran Nursery’): Colouration and colour pattern as in males. Measurements (n= 2). Body length 4.38–4.55. PsL 1.58–1.75, PsW 1.55–1.70, OsL 2.80–2.80, OsW 2.00–2.10. Distances between eyes: AME 0.08–0.09, ALE 0.07–0.08, PME 0.06–0.07, PLE 0.06–0.07, AME-AME 0.1–0.13, AME-ALE 0.5–0.7, PME-PME 0.22–0.23, PME-PLE 0.13–0.15, MOA-AW 0.27–0.3, MOA-PW 0.33–0.36, MOA-L 0.29–0.32, AME-PME 0.17–0.19, ALE-PLE 0.11–0.13. Length of leg segments: FeI 2.00–2.35, PaI 0.65–0.85, TiI 1.70–2.03, MtI 1.40–1.60, TaI 0.60–0.95, FeII 3.05, PaII 1.05, TiII 2.75, MtII 2.10, TaII 1.25, FeIII 1.75–2.00, PaIII 0.55–0.70, TiIII 1.35–1.65, MtIII 1.20–1.45, TaIII 0.70–0.78, FeIV 1.90–2.30, PaIV 0.63–0.90, TiIV 1.55–1.75, MtIV 1.40–1.60, TaIV 0.80. Total length of legs: legI 6.35–7.78, legII 0.00–10.20, legIII 5.60–6.58, legIV 6.28–7.35. Spination of leg I: femur: d 0–0–1–0–1; pl 0–0–1–1–1; v -; rl 0–0–0–0–1. tibia: d 0–0–1; pl 1–1–0–1–0; v 2–0–2–0–2ap; rl 1–0–1–0–1. metatarsus: d -; pl 1–0–1–0–1; v 2–0–2–0–0ap; rl 1–0–1–0–1.

Epigyne and spermathecae ( Figs 45–46 ). The posterior part of CD slightly concaved. The EA poorly-marked, almost invisible. The S elongated, receding anteriorly. The SO is in anterior position.

Remarks: P. xinjiangensis was identified on the basis of the illustrations by SONG and ZHU (1997: fig. 142). Compared to other species of the histrio group, P. xinjiangensis differs in having the poorly seen embolus, which looks like an elongated plate with the dorsal chitinous ridge on it (Fig. 36). The PTA is not visible either. The latter character relates this species to P. timidus , from which it differs in the wider RTA (cf. Figs 37 and 34). The female of P. xinjiangensis possesses the poorly-marked EA and the wide and short CD, resembling that of Thanatus striatus C. L. KOCH, 1845 (cf. Figs 45, 46 and figs 231–233 in LOGUNOV 1996).

Habitat: Kazakhstan: shrubby stony desert (present data). This species often occurs together with P. fallax (see below). Elevations: 0–540 m a.s.l.

Distribution: The Central Asian subboreal range; known from Azerbaijan (present data) in the west, throughout Middle Asia (present data) to NW China, Xinjinang and Inner Mongolia ( TANG & SONG 1989, SONG et al. 1999) in the east; for the collection localities see Map 11 .

Figures

Maps 10–11. Distribution of P. timidus (10) and P. xinjiangensis (11). One dot may represent more than one close localities

Figs 67–80. Body patterns of Philodromus spp. 67 = P. histrio f, 68 = P. ablegminus f, 69 = P. xerophilus f, 70 = P. lanchowensis m, 71 = P. alascensis m, 72 = ditto f, 73 = P. tuvinensis m, 74 = ditto f, 75 = P. mysticus f, 76 = P. timidus m, 77 = P. xinjiangensis m, 78 = P. fallax m, 79 = P.

Figs 39–46. Female genitalia of Philodromus spp. 39–40 = P. alascensis – 39 = epigyne, 40 = spermathecae. 41–42 = P. tuvinensis – 41 = epigyne, 42 = spermathecae. 43–44 = P. mysticus – 43 = epigyne, 44 = spermathecae.45–46 = P. xinjiangensis – 45 = epigyne,46 = spermathecae.Scale bar = 0.1 mm. Specimens:P.alascensis: Magadan Region, the upper reaches of Kolyma; P. tuvinensis: the paratype; P. mysticus: Chita Region, Sokhondo State Reserve; P. xinjiangensis: Uzbekistan,