Resources:
Linyphiidae  Blackwall, 1859 / Perregrinus  Tanasevitch, 1992   1 species

Perregrinus deformis (Tanasevitch, 1982)

Description
Male

Prosoma length: 0.80 mm, prosoma width: 0.56 mm.

Body length male: 1.5-1.75 mm
Female

Prosoma length: 0.75 mm, prosoma width: 0.53 mm.

Body length female: 1.7-1.8 mm
Distribution
  Presence
  No data
Global distribution (WSC 2026): Russia (Europe to Far East), Mongolia, China, Canada
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
Distribution List
Russia, Eastern   (Esyunin, 2006) ||| Russia, Northern   (Koponen et al., 1998) |||
References

Esyunin S L (2006) Remarks on the Ural spider fauna (Arachnida: Aranei). 11. New faunistic records. Arthropoda Selecta 14: 329-337 pdf

Koponen S, Marusik Y M, Tanasevitch A V (1998) New data on the spider fauna of the Polar Urals (Aranei). Arthropoda Selecta 6: 109-119 pdf

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

Tanasevitch A V (1982) New genus and species of spiders of the family Linyphiidae (Aranei) from the Bolshezemelskaya tundra. Zoologicheskiĭ Zhurnal 61: 1501-1508 pdf

WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.5.2026) doi: 10.24436/2 pdf

Updates
20-10-2025 Distribution insert Detail
25-07-2025 Distribution update Detail
31-12-2013 Image insert