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Amaurobiidae  Thorell, 1869 / Arctobius  Lehtinen, 1967   1 species

Arctobius agelenoides  (Emerton, 1919)

WSC LSID urn:lsid:nmbe.ch:spidersp:022667

Key to genera | Key to species

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 2024): USA (Alaska), Canada, Northern Europe, Russia (Far East)
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
species

male Pedipalp, ventral view
(Lehtinen 1967)

species

male Pedipalp, retrolateral view
(Lehtinen 1967)

species

male Pedipalp, retrolateral view
(Marusik et al. 2012b)

species

male Pedipalp, retrolateral view
(Morka unpubl.)

species

male Habitus, dorsal view
(Palmgren 1977)

species

male Habitus, dorsal view
(Marusik et al. 2012b)

species

female Epigyne, ventral view
(Lehtinen 1967)

species

female Epigyne, ventral view
(Marusik et al. 2012b)

species

female Epigyne, ventral view
(Tanasevitch & Kamayev 2011)

species

female Epigyne, ventral view
(Tanasevitch & Kamayev 2011)

species

female Epigyne
(Morka unpubl.)

species

female Vulva
(Lehtinen 1967)

species

female Vulva, dorsal view
(Morka unpubl.)

species

female Habitus, dorsal view
(Lehtinen 1967)

species

female Habitus, dorsal view
(Tanasevitch & Kamayev 2011)

Distribution List

"No references" does not mean that the species does not occur in this country, but that we have not yet inserted the reference for it. We are working on it.

Finland   (Koponen et al., 2016) ||| Norway   (Aakra & Hauge, 2003) ||| Russia, Northern   (no references) ||| Sweden   (Kronestedt, 2001) |||
References

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 http://biolcoll.utu.fi/arach/checklist_of_spiders_in_Finland.htm 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 (2024) World Spider Catalog. Version 25.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (22.01.2024) doi: 10.24436/2 pdf

Updates
22-09-2022 Image insert
22-09-2022 Gallery image insert
31-12-2013 Image insert
11-06-2013 Datasheet update Detail
11-06-2013 Image insert