Resources:
Linyphiidae  Blackwall, 1859 / Walckenaeria  Blackwall, 1833   62 species

Walckenaeria picetorum (Palmgren, 1976)

Description
Male

Prosoma light brown-grey, striae indistinct. Prosoma length: 0.90 mm. Sternum light brown-grey. Legs light grey-yellow, TmI 0.40. Opisthosoma grey greenish, dorsum with 4 light, indistinct transverse lines, venter with 2 light longitudinal lines.

Body length male: 1.9-2.0 mm
Female

Colouration as in males. Prosoma length: 0.85 mm.

Body length female: 2.0-2.1 mm
Additional information

In Sphagnum of spruce forests.

Distribution
  Presence
  No data
Global distribution (WSC 2026): Sweden, Finland, Russia (Europe to Far East)
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
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) ||| Russia, Eastern   (Esyunin & Efimik, 1996a) ||| Sweden   (Kronestedt, 2001) |||
References

Esyunin S L, Efimik V E (1996a) Catalogue of the spiders (Arachnida, Aranei) of the Urals. KMK Scientific Press, Moscow, 228 pp. 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.)

Palmgren P (1976) Die Spinnenfauna Finnlands und Ostfennoskandiens VII. Linyphiidae 2 (Micryphantinae, mit Ausnahme der Linyphiindae-ähnlichen). Fauna Fennica 29: 1-126 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
21-10-2025 Distribution update Detail
22-12-2015 Image insert
10-12-2013 Image insert