Gnaphosa muscorum (L. Koch, 1866)

Marusik, Yuri M. & Omelko, Mikhail M., 2014, A survey of East Palaearctic Gnaphosidae (Araneae). 3. On new and poorly known Gnaphosa Latreille, 1804, Zootaxa 3894 (1) : -

Gnaphosa muscorum (L. Koch, 1866)

Figs 63–66 , 70–75 ; 95–96.

Gnaphosa msucorum: Tullgren 1946: 80 , fig. 24A, pl. 12, figs 157–158, pl. 13, figs 159–160 (♂♀); Platnick & Shadab 1975: 34, figs 3–6, 79–84 (♂♀); Grimm 1985: 74, figs 42, 54–55, 76 (♂♀); Ovtsharenko et al. 1992: 42, figs 145–148 (♂♀, figs 149–150 refer to G. similis ); Marusik & Koponen 2000: 59, figs 8, 10–11 (♂♀); Paquin & Dupérré 2003: 77, figs 664–666 (♂♀); Almquist 2006: 402, figs 347a–e (♂♀).

For a complete synonym listing and references see Platnick (2014) —some of the references may refer to G. similis .

Material examined. RUSSIA: Tuva: 36♂, 5♀ ( IBPN), SW Tuva Balyk-tyg-Khem (Riv.) upper flow 50°17’N 96°39’E, 2000 m, 26– 28.06.1996 (Yu.M. Marusik); ♂, 2♀ ( IBPN), SE Tuva, Naryn River upper flow, 50°13’N 96°15’E, 1820–1900 m, 24– 26.06.1996 (Yu.M Marusik); 3♂ ( IBPN) SE Tuva, Sangelen Mt. Range Dzhen-Aryk Ckeek middle flow, 50°24.31’N 95°26.28’E, 1450 m, pitfall traps, 14– 18.07.1996 (Yu.M. Marusik). MONGOLIA: Tov Aimak: 6♂, 2♀ ( IBPN), 48°22’N 106°18’E, 1100 m, 18– 23.06.1997 (Yu.M. Marusik). USA: Alaska: 1♀( IBPN), Kathul Mt., environs of Eagle, steppe 25– 29.08.1990 (D.I. Berman). CANADA: Yukon Territory: 2♂, 6♀ ( IBPN) Kluane Lake, Cultus Bay, 138°20'W, 61°11'N, 1200– 1400 m, mountain ridge, under stones, 14.07.1993 (Yu.M. Marusik); 2♀ ( IBPN), 5 miles W of Haines Junction, steppe, 7.07.1993 (Yu.M. Marusik); 1♀ ( IBPN), environs of Carmacks, 136 22'W 62 11'N, 19.07.1993 (Yu.M. Marusik & D.I. Berman).

Comments. This species has been described in several publications listed above. It is very similar to G. similis . Differences between these two species are listed under G. similis .

Distribution. The species has an almost circum-Holarctic range and has not been found in Asia east of 115°E.

Figures

FIGURES 57 – 66. Copulatory organs of Gnaphosa similis (57 – 62) and G. m u s c o r u m (63 – 66). 57, 63 male palp, ventral; 58, 64 — basal half of palpal organ, ventral; 59, 61, 65 epigyne, ventral; 60, 62, 66 epigyne dorsal. Scale = 0.2 mm. Abbreviations: Id— insemination duct, Mp pocket of lateral margin, Ps— subdivided pocket of septum, Sp— spur of embolus.

FIGURES 67 – 72. SEM microphotographs of the bulbus of Gnaphosa similis (67 – 69, Pevek) and G. muscorum (70 – 72, Tuva).

FIGURES 73 – 78. SEM microphotographs of the epigyne of Gnaphosa muscorum (73 – 75) and G. similis (76 – 78). 73 – 74, 76 – 77 ventral; 75, 78 dorsal. 73 — from Finland; 74 – 75 — from Tuva; 76 — from Pevek; 77 — from Amur Area; 78 — from Yakutia. Broken white line indicate differences in length of epigynal gland; solid lines display differences in spacing of gland and terminal edge of pocket. Scale = 0.1 mm. Abbreviations: Gl— epigynal gland, Po— pocket of Sc, Sc— scape of epigyne.