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Linyphiidae  Blackwall, 1859 / Improphantes  Saaristo & Tanasevitch, 1996   11 species

Improphantes complicatus  (Emerton, 1882)

WSC LSID urn:lsid:nmbe.ch:spidersp:010893

Key to genera | Key to species

Description

Male palp with gradually tapering lamella, serrated distally. Epigyne with square scapus, not visible in ventral view, arranged perpendicular to opisthosoma. Prosoma yellow-brown. Legs yellow-brown. Opisthosoma grey.

Body length male: 1.7-2.2 mm
Body length female: 1.7-2.2 mm
Additional information

in grass heathland and in mountain region

Character states from linyphiid key
Distribution
  Presence
  No data
Global distribution (WSC 2020): North America, Europe, Russia (Europe to Far East)
Figures
species

male Pedipalp, retrolateral view
(Roberts 1987)

species

male Pedipalp, retrolateral view
(Heimer & Nentwig 1991)

species

male Pedipalp
(Locket & Millidge 1953)

species

male Pedipalp, retrolateral view
(Løvbrekke unpubl.)

species

male Lamella characteristica
(Løvbrekke unpubl.)

species

male Paracymbium
(Løvbrekke unpubl.)

species

female Epigyne
(Roberts 1987)

species

female Epigyne
(Roberts 1987)

species

female Epigyne
(Heimer & Nentwig 1991)

species

female Epigyne
(Heimer & Nentwig 1991)

species

female Epigyne
(Locket & Millidge 1953)

species

female Epigyne
(Løvbrekke unpubl.)

species

female Epigyne, lateral view
(Løvbrekke unpubl.)

species

female Vulva, dorsal view
(Løvbrekke unpubl.)

Distribution List
Austria   (no references) ||| Denmark   (no references) ||| Faroe Islands   (Lissner et al., 2016b) ||| Finland   (Koponen et al., 2016) ||| France   (no references) ||| Iceland   (Agnarsson, 1996) ||| Italy   (Pantini & Isaia, 2019) ||| Liechtenstein   (no references) ||| Norway   (Aakra & Hauge, 2003) ||| Poland   (no references) ||| Russia, Central   (no references) ||| Russia, Eastern   (no references) ||| Russia, Northern   (no references) ||| Svalbard   (Holm, 1958b) ||| Sweden   (Kronestedt, 2001) ||| Switzerland   (no references) ||| United Kingdom   (no references) |||
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

Agnarsson I (1996) Íslenskar köngulær Fjölrit Náttúrufræðistofnunar 31: 1-175 pdf

Heimer S, Nentwig W (1991) Spinnen Mitteleuropas. Paul Parey Berlin pdf

Holm Å (1958b) The spiders of the Isfjord region of Spitsbergen. Zoologiska Bidrag från Uppsala 33: 29-67 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

Lissner J, Jensen J-K, Hansen L J, Simonsen W, Kelduni R, Nissen K (2016b) An updated checklist of spiders (Araneae) of the Faroe Islands. Norwegian Journal of Entomology 63: 197-240 pdf

Locket G H, Millidge A F (1953) British spiders. Vol. II. Ray Society, London, 449 pp. pdf

Løvbrekke H (unpubl.)

Pantini P, Isaia M (2019) Araneae.it: the online catalog of Italian spiders, with addenda on other arachnid orders occurring in Italy (Arachnida: Araneae, Opiliones, Palpigradi, Pseudoscorpionida, Scorpiones, Solifugae). http://araneae.it. Fragmenta Entomologica 51: 127-152 pdf

Roberts M J (1987) The spiders of Great Britain and Ireland. Volume 2: Linyphiidae and checklist. Harley Books Colchester, England, 204 pp. pdf

Seyfulina R R (2019) On linyphiid spiders (Aranei: Linyphiidae) from Moscow Area, Russia. Arthropoda Selecta 28: 453-458 pdf

World Spider Catalog (2020) World Spider Catalog. Version 21.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.03.2020) doi: 10.24436/2 pdf

Updates
24-05-2020 Distribution update Detail
28-09-2019 Distribution update Detail