Syarinus obscurus ( Banks, 1893 )

Zaragoza, Juan A., 2010, Arcanobisium, a remarkable new genus, representing a new subfamily with a relictual distribution from eastern Spain (Arachnida: Pseudoscorpiones: Syarinidae), Zootaxa 2491, pp. 41-60 : 53

Syarinus obscurus ( Banks, 1893)

Ideoroncus obscurus Banks 1893: 66 –67.

Ideobisium obscurum (Banks) : Ellingsen 1908: 163. Syarinus obscurus (Banks) : Chamberlin 1925: 330.

Material examined. Canada, Yukon Territory, Grey Mountain, 9 August 1996, leg. W. Breuss, det. V. Mahnert: 1 male, deposited in MHNG.

Supplementary description. Segments X–XI well developed and normal in size. Sternite IV with two well defined cribrate areas.

Cheliceral galea short, simple; dental row ending level with subgaleal seta, this 0.84 from base ( Fig. 32 ).

Pedipalpal coxa with apex rounded, with 2 setae ( Fig. 30 ). Chelal feather-shaped setae absent.

Legs. Femur-patella junction of leg IV perpendicular, patella distinctly longer than the femur. Tarsi terminate in sub-right angle, not tapering distally; subterminal seta acuminate.

Figures

FIGURES 26 – 32. Morphological details of Syarinidae. 26. Hadoblothrus gigas (Caporiacco, 1951), male, tip of fixed finger of left chela, antiaxial view. 27. H. gigas, male, tip of movable finger of left chela, lateral-paraxial view. 28. Pseudoblothrus roszkovskii (Redikorzev, 1918), male, gland openings area sternite VI. 29. Syarinus strandi (Ellingsen, 1901), female, apex pedipalpal lobe; 31. S. strandi, female, partial view of fingers left chelicera. 30. Syarinus obscurus (Banks, 1893), male, apex pedipalpal lobe. 32. S. strandi, female, partial view of fingers right chelicera. Scale bars (mm): 0.10 (Figs 26 – 28, 31 – 32), 0.20 (Figs 29 – 30).