Resources:
Linyphiidae  Blackwall, 1859 / Walckenaeria  Blackwall, 1833   63 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: 1.95 mm
Female

Colouration as in males. Prosoma length: 0.85 mm.

Body length female: 2.05 mm
Additional information

In Sphagnum of spruce forests.

Distribution
  Presence
  No data
Global distribution (WSC 2020): Sweden, Finland, Russia (Europe to Far East)
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
Distribution List
Finland   (Koponen et al., 2016) ||| Russia, Eastern   (no references) ||| Sweden   (no references) |||
References

Helsdingen P J van (2010a) Araneae. In: Fauna Europaea Database (Version 2010.1), online at www.european-arachnology.org

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

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

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