Resources:
Thomisidae  Sundevall, 1833 / Xysticus  C. L. Koch, 1835   82 species

Xysticus canadensis  Gertsch, 1934

Description
Male

Prosoma reddish-brown mottled with yellow; pale median area enclosing a pale V and some diffuse dark areas. Opisthosoma dorsally with paired brownish areas separated by off-white median area and transverse lines. Legs reddish-brown mottled with yellowish. Palp: distal tegular apophysis widest at base, tapering throughout, erect.

Prosoma length: 2.2 mm, prosoma width: 2.0 mm.

Body length male: 3.9 mm
Female

Colour as in male but paler. Epigyne: atrial sclerites furthest apart anteriorly, distinctly separated, septum without nearly parallel margins.

Prosoma length: 2.2-2.5 mm, prosoma width: 2.1-2.4 mm.

Body length female: 4.4 mm
Distribution
  Presence
  No data
Global distribution (WSC 2021): Russia (Europe to Far East), USA, Canada
Figures
Distribution List
Russia, Northern   (no references) |||
References

Marusik Y M, Koponen S, Makarova O L (2016a) A survey of spiders (Araneae) collected on the arctic island of Dolgiy (69°12′N), Barents Sea. Arachnology 17: 10-24 pdf

Marusik Y M, Logunov D V (1996) Poorly known spider species of the families Salticidae and Thomisidae (Aranei) of the Soviet Far East. In Entomological Studies in the North-East of the USSR. USSR Academy of Sciences, Institute of Biological Problems of the North, Vladivostok, pp. 131-140. pdf

Mikhailov K G (2013) The spiders (Arachnida: Aranei) of Russia and adjacent countries: a non-annotated checklist. Arthropoda Selecta, Supplement 3: 1-262 pdf

WSC (2021) World Spider Catalog. Version 22.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (29.05.2021) doi: 10.24436/2 pdf

Updates
25-09-2014 Image insert