Linyphiidae  Blackwall, 1859 / Porrhomma  Simon, 1884   18 species

Porrhomma errans (Blackwall, 1841)

Description

Metatarsus I-IV with dorsal spine.

Body length male: 2.0-2.8 mm
Body length female: 2.5-3.0 mm
Distribution
  Presence
  No data
Distribution comment: Belarus and Romania doubtful, therefore deleted (after Růžička, 2018)
Global distribution (WSC 2026): Western to Central Europe, Italy
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
Distribution List
Austria   (Steinberger, 1998) ||| Belarus  Removed (Růžička, 2018) ||| Belgium   (Bosmans & Van Keer, 2017) ||| Czechia   (Růžička & Řezáč, 2022a) ||| Denmark   (Scharff & Gudik-Sørensen, 2006) ||| France   (Derepas et al., 2020) ||| Germany   (Blick et al., 2016) ||| Hungary   (Samu & Szinetár, 1999) ||| Ireland   (Lavery, 2019) ||| Italy   (Isaia et al., 2025) ||| Netherlands   (van Helsdingen, 2025a) ||| Poland   (Rozwałka & Stanska, 2008) ||| Romania  Removed (Růžička, 2018) ||| Slovakia   (Gajdoš et al., 1999) ||| Switzerland   (Maurer & Hänggi, 1990) ||| United Kingdom   (Lavery, 2019) |||
References

Blick T, Finch O-D, Harms K H, Kiechle J, Kielhorn K-H , Kreuels M, Malten A, Martin D, Muster C, Nährig D, Platen R, Rödel I, Scheidler M, Staudt A, Stumpf H, Tolke D (2016) Rote Liste und Gesamtartenliste der Spinnen (Arachnida: Araneae) Deutschlands. 3. Fassung, Stand April 2008, einzelne Änderungen und Nachträge bis August 2015. Naturschutz und Biologische Vielfalt 70/4: 383-510 pdf

Bosmans R, Van Keer K (2017) Een herziene soortenlijst van de Belgische spinnen (Araneae). Nieuwsbrief van de Belgische Arachnologische Vereniging 32: 39-69 pdf

Derepas B, Michaud A, Mattei M, Bloor J, Carrère P (2020) Découverte en France de Porrhomma errans (Blackwall, 1841) (Araneae, Linyphiidae). Revue Arachnologique (2) 7: 32-34 pdf

Gajdoš P, Svatoň J, Sloboda J (1999) Katalóg pavúkov Slovenska. Catalogue of Slovakian spiders. Ústav kr. ekol. SAV, Bratislava, 337 pp.

Heimer S, Nentwig W (1991) Spinnen Mitteleuropas. Paul Parey Berlin pdf

Helsdingen P J van (2025a) Catalogus van de Nederlandse spinnen. Versie 2025.1. 249 pp. pdf

Isaia M, Tolve M, Pantini P (2025) Araneae.it: 2.0: the new updated version of the digital catalog of the Italian spiders and other arachnids (Arachnida: Araneae, Opiliones, Scorpiones, Pseudoscorpiones, Palpigradi, Solifugae). Fragmenta Entomologica 57: 197-204 pdf

Lavery A (2019) A revised checklist of the spiders of Great Britain and Ireland. Arachnology 18: 196-212 pdf

Locket G H, Millidge A F (1953) British spiders. Vol. II. Ray Society, London, 449 pp. pdf

Løvbrekke H (unpubl.)

Maurer R, Hänggi A (1990) Katalog der schweizerischen Spinnen. Documenta Faunistica Helvetiae 12 pdf

Roberts M J (1987) The spiders of Great Britain and Ireland. Volume 2: Linyphiidae and checklist. Harley Books Colchester, England, 204 pp. pdf

Rozwałka R, Stanska M (2008) Check-list of spiders (Araneae) of Poland. 1. December 2008. online at http://www.arachnologia.edu.pl/en/species/8-spiders-of-poland.html pdf

Růžička V (2018) A review of the spider genus Porrhomma (Araneae, Linyphiidae). Zootaxa 4481: 1-75 pdf

Růžička V, Řezáč M (2022a) Seznam pavouků České republiky. List of spiders of the Czech Republic. Online at https://www.arachnology.cz/seznam-pavouku-cr-26.html and https://www.arachnology.cz/en/seznam-pavouku-cr-26.html pdf

Samu F, Szinetár C (1999) Bibliographic check list of the Hungarian spider fauna. Bulletin of the British Arachnological Society 11: 161-184 pdf

Scharff N, Gudik-Sørensen O (2006) Katalog over Danmarks edderkopper (Araneae). Catalogue of the spiders of Denmark (Araneae). Entomologiske Meddelelser 74: 3-71 pdf

Steinberger K-H (1998) Zur Spinnenfauna der Innauen des Unterinntals (Nordtirol, Österreich) II (Arachnida: Araneae, Opiliones). Berichte des Naturwissenschaftlich-Medizinischen Vereins in Innsbruck 85: 187-212 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
13-10-2025 Distribution update Detail
13-10-2025 Distribution insert Detail
07-09-2020 Image insert
07-09-2020 Distribution insert Detail
21-09-2018 Image insert
14-09-2018 Distribution update Detail
03-09-2013 Image insert