Resources:
Linyphiidae  Blackwall, 1859 / Macrargus  Dahl, 1886   5 species

Macrargus boreus Holm, 1968

Description
Male

Prosoma brown-orange. Sternum orange. Opisthosoma dark grey.

Body length male: 2.8 mm
Female

Prosoma orange. Sternum orange with darker margin. Opisthosoma dark grey.

Body length female: 2.6 mm
Distribution
  Presence
  No data
Global distribution (WSC 2026): Norway, Sweden, Finland, Estonia, Lithuania, Ukraine, Russia (Europe)
Figures
Distribution List
Estonia   (Vilbaste, 1987) ||| Finland   (Koponen et al., 2016) ||| Lithuania   (Mikhailov, 2013) ||| Norway   (Aakra & Hauge, 2003) ||| Russia, Central   (Ponomarev, 2022) ||| Russia, Western   (no references) ||| Sweden   (Kronestedt, 2001) ||| Ukraine   (Gnelitsa & Koponen, 2010) |||
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

Fjellberg A (unpubl.) .

Gnelitsa V A, Koponen S (2010) A new species of the genus Macrargus (Araneae, Linyphiidae, Micronetinae) from the north-east of Ukraine and redescription of two related species. Vestnik Zoologii 44: 1-9 pdf

Holm Å (1968) A contribution to the spider fauna of Sweden. Zoologiska Bidrag från Uppsala 37: 183-209 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.)

Mikhailov K G (2013) The spiders (Arachnida: Aranei) of Russia and adjacent countries: a non-annotated checklist. Arthropoda Selecta, Supplement 3: 1-262 pdf

Ponomarev A V (2022) Spiders (Arachnida: Araneae) of the southeast of the Russian Plain: catalogue, the fauna specific features. SSC RAS Publishers, Rostov-on-Don, 640 pp. pdf

Vilbaste A (1987) Eesti Ämblikud (Aranei). Annoteeritud nimestik. Estonian spiders (Aranei). An annotated check list. Valgus, Tallinn. 113 pp. & 512 maps on 67 unpag. pages pdf

WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) doi: 10.24436/2 pdf

Updates
29-09-2025 Distribution update Detail
22-09-2025 Distribution update Detail
23-10-2021 Image insert
01-01-2020 Image insert
24-06-2019 Distribution update Detail
09-05-2016 Image insert
04-02-2014 Image insert