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Linyphiidae  Blackwall, 1859 / Mecynargus  Kulczyński, 1894   11 species

Mecynargus borealis  (Jackson, 1930)

WSC LSID urn:lsid:nmbe.ch:spidersp:011558

Key to genera | Key to species

Description
Male

Prosoma: small size and conical elevation of ocular area, fovea trapezoidal. Opisthosoma dark.

Body length male: 1.4 mm
Female

Prosoma evenly rounded, dark yellow brown, veined and streaked with darker Markings. Sternum heart shaped, dark brown, almost black, studded with numerous small round yellow brown spots. Opisthosoma dark brown, studded all over with numerous round yellow brown spots, without pattern. Vulva characteristic.

Prosoma length: 0.5 mm.

Body length female: 1.45 mm
Character states from linyphiid key
Distribution
  Presence
  No data
Global distribution (WSC 2024): Canada, Greenland, Northern Europe, Russia (Europe to Middle Siberia)
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
species

male Pedipalp
(Agnarsson 1996)

species

male Pedipalp, prolateral view
(Løvbrekke unpubl.)

species

male Pedipalp, retrolateral view
(Løvbrekke unpubl.)

species

male Palpal tibia
(Agnarsson 1996)

species

male Palpal tibia
(Løvbrekke unpubl.)

species

male Prosoma
(Agnarsson 1996)

species

male Prosoma, lateral view
(Løvbrekke unpubl.)

species

female Epigyne
(Agnarsson 1996)

species

female Epigyne
(Løvbrekke unpubl.)

species

female Vulva, dorsal view
(Løvbrekke unpubl.)

species

female Vulva, ventral view
(Løvbrekke unpubl.)

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) ||| Iceland   (Agnarsson, 1996) ||| Norway   (Aakra & Hauge, 2003) ||| Russia, Northern   (Marusik et al., 2016a) ||| Svalbard   (Holm, 1958b) ||| 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

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

Løvbrekke H (unpubl.)

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

WSC (2024) World Spider Catalog. Version 25.5. Natural History Museum Bern, online at http://wsc.nmbe.ch (31.10.2024) doi: 10.24436/2 pdf

Updates
24-07-2024 Image insert
07-02-2024 Distribution update Detail
24-05-2020 Distribution update Detail