Resources:
Amaurobiidae  Thorell, 1870 / Arctobius  Lehtinen, 1967   1 species

Arctobius agelenoides  (Emerton, 1919)

Description
Male

Palpal tibia without dorsal apophysis. Prosoma mottled with light brown in the middle part, margins light orange, posterior part yellow. Anterior median eyes equidistant from each other and anterior lateral eyes. Sternum, chelicerae and labium dark brown. Opisthosoma with dark median band.

Body length male: 6-8 mm
Female

Epigyne with strongly sclerotized median part of median plate. Colouration as in males.

Body length female: 7-10 mm
Additional information

In moss and under rocks in coniferous forests and glacial moraines

Distribution
  Presence
  No data
Global distribution (WSC 2018): USA (Alaska), Canada, Northern Europe, Russia (Far East)
Figures
References

Helsdingen P J van (2010a) Araneae. In: Fauna Europaea Database (Version 2010.1), online at www.european-arachnology.org

Leech R (1972) A revision of the nearctic Amaurobiidae (Arachnida: Araneida). Entomol Soc Can 84: 98-99

Lehtinen P T (1967) Classification of the cribellate spiders and some allied families, with notes on the evolution of the suborder Araneomorpha. Ann Zool Fenn 4: 199-468

Marusik Y M, Ballarin F, Omelko M M (2012) On the spider genus Amaurobius (Araneae, Amaurobiidae) in India and Nepal. ZooKeys 168: 55-64

Palmgren P (1977) Die Spinnenfauna Finnlands und Ostfennoskandiens VIII. Fauna Fenn 30: 1-50

Tanasevitch A V, Kamayev I O (2011) Spiders of Kola Peninsula, Russia (Arachnida: Aranei). Caucasian entomol Bull 7: 7-32

World Spider Catalog (2018) World Spider Catalog. Natural History Museum Bern, online at http://wsc.nmbe.ch, version 19.0, accessed on 14.01.2018. doi: 10.24436/2

Updates
31-12-2013 Image insert
11-06-2013 Datasheet update Old value
11-06-2013 Image insert