Tenuiphantes zibus

Tenuiphantes zibus (Zorch, 1937) Fig. 5–7. Lepthyphantes ziba Zorsch 1937 Lepthyphantes zibus Roewer 1942 Tenuiphantes zibus Saaristo and Tanasevitch 1996 Type. Male and one male paratype. Lake Sutherland, Washington, USA. 11 Aug 1927, coll: C. R. Crosby. In AMNH. Examined. Specimens measured. USA:...

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Bibliographic Details
Main Author: Slowik, Jozef
Format: Other/Unknown Material
Language:unknown
Published: 2018
Subjects:
Online Access:https://zenodo.org/record/3717198
https://doi.org/10.5281/zenodo.3717198
Description
Summary:Tenuiphantes zibus (Zorch, 1937) Fig. 5–7. Lepthyphantes ziba Zorsch 1937 Lepthyphantes zibus Roewer 1942 Tenuiphantes zibus Saaristo and Tanasevitch 1996 Type. Male and one male paratype. Lake Sutherland, Washington, USA. 11 Aug 1927, coll: C. R. Crosby. In AMNH. Examined. Specimens measured. USA: Alaska: 1 female 1 male, Prince of Wales Island, Hatchery Ck. 2, 55.89356°N 132.9437°W 134 m elv., 10–31 July 2010 coll: J. Stockbridge, C. Bickford, 2nd growth, pitfall 4, UAM: Ento:227060; 1 female, Prince of Wales Island, Hatchery Ck. 2, 55.89356°N 132.9437°W 134 m elv., 2–29 June 2010 coll: J. Stockbridge, C. Bickford, 2nd growth, pitfall 1, UAM: Ento:227040; 2 Female, Prince of Wales Island, Hatchery Ck. 2, 55.89356°N 132.9437°W 134 m elv., 2–29 June 2010 coll: J. Stockbridge, C. Bickford, 2nd growth, pitfall 2, UAM: Ento:227041; 1 male, Prince of Wales Island, Luck Lk. 3 Rd., 55.95347°N 132.7708°W 117 m elv., 8–30 July 2010 coll: J. Stockbridge, C. Bickford, old growth, pitfall 3, UAM: Ento:227896; 1 male, Prince of Wales Island, Luck Pt., 55.98256°N 132.77943°W 129 m elv., 2 June–27 June 2010 coll: J. Stockbridge, C. Bickford, 2nd growth, pitfall 2, UAM: Ento:226921; 1 female, Prince of Wales Island, Staney Ck. 1B, 55.872°N 133.06523°W 77 m elv., 30 May-12 June 2010 coll: J. Stockbridge, C. Bickford, clear cut, Pitfall #2; Washington: San Juan County: 1 male, Orcas Island, Mt. Constitution Bog #2, 48.677°N 122.834°W 670 m elv., 23 July 1993 - 18 March 1994, coll: J. Bergdahl, pitfall, DMNS ZA.14797; 1 male, San Juan Island, Streams S of Cady Mtn., 48.535°N 123.099°W 25 m elv., 8 September–7 October 1991, coll: J. Bergdahl, pitfall, DMNS ZA.12819. Diagnosis. Male T. zibus can be distinguished from all other Tenuiphantes species by a paracymbium lacking denticles and a lamella characteristica with a rounded oblique ventral fork and a dorsal fork originating at the base of the curve and projecting away from the lamella characteristica (Fig. 6). The dorsal fork may curve behind the rest of the lamella ...