Amaurobiidae  Thorell, 1870 / Arctobius  Lehtinen, 1967   1 species

Arctobius agelenoides  (Emerton, 1919)


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

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

  No data
Global distribution (WSC 2022): USA (Alaska), Canada, Northern Europe, Russia (Far East)
Distribution List
Finland   (Koponen et al., 2016) ||| Norway   (Aakra & Hauge, 2003) ||| Russia, Northern   (no references) ||| Sweden   (Kronestedt, 2001) |||

Aakra K, Hauge E (2003) Checklist of Norwegian spiders (Arachnida: Araneae), including Svalbard and Jan Mayen. Norwegian Journal of Entomology 50: 109-129 pdf

Koponen S, Fritzén N R, Pajunen T (2016) Checklist of spiders in Finland (Araneae). 6th version, December 2016, online at pdf

Kronestedt T (2001) Checklist of Spiders (Araneae) in Sweden [Preliminary version February 2001] pdf

Leech R (1972) A revision of the nearctic Amaurobiidae (Arachnida: Araneida). Memoirs of the Entomological Society of Canada 84: 1-182 pdf

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

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

Morka G H (unpubl.)

Palmgren P (1977) Die Spinnenfauna Finnlands und Ostfennoskandiens VIII. Argyronetidae, Agelenidae, Hahniidae, Dictynidae, Amaurobiidae, Titanoecidae, Segestriidae, Pholcidae und Sicariidae. Fauna Fennica 30: 1-50 pdf

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

WSC (2022) World Spider Catalog. Version 23.5. Natural History Museum Bern, online at (21.07.2022) doi: 10.24436/2 pdf

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