Linyphiidae  Blackwall, 1859 / Erigone  Audouin, 1826   30 species

Erigone welchi  Jackson, 1911

Description
Male

Prosoma and sternum dark reddish-brown. Legs yellow-brown. Opisthosoma pale brown. Palp: Femur with series of 3-4 very long teeth, each with one hair. Distinct patellar and tibial apophyses. Prosoma length: 1.5 mm.

Body length male: 2-2.5 mm
Female

Prosoma and sternum dark reddish-brown. Legs yellow-brown. Opisthosoma pale brown. Epigyne variable. Posterior border forms a characteristically shaped ridge.

Body length female: 2-2.5 mm
Additional information

Mainly in damp habitats

Frequency: Rarely found

Character states from linyphiid key
Distribution
  Presence
  No data
Global distribution (WSC 2021): Ireland, Britain, Scandinavia, Estonia, Latvia
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
Distribution List
Estonia   (Mikhailov, 2013) ||| Finland   (Koponen et al., 2016) ||| France  Removed (Le Peru, 2007; Danflous et al., 2020b) ||| Ireland   (no references) ||| Latvia   (Cera, 2018) ||| Moldova  Removed (Mikhailov, 2013; Danflous et al., 2020b) ||| Norway   (Farlund, 2019) ||| Sweden   (Kronestedt, 2001) ||| United Kingdom   (no references) |||
References

Cera I (2018) The checklist of Latvian spiders (Arachnida: Araneae). Environmental and Experimental Biology 16: 139-152 pdf

Danflous S, Déjean S, Guerbaa K, Jacquet C, Lecigne S, Montagne D, Montardi Y, Villepoux O (2020b) De araneis Galliae IV. Actualisation du référentiel des araignées de France – première note. Espèces absentes de France ou mises en nomen dubium. Bulletin de l'Association Française d'Arachnologie 5: 10-32 pdf

Farlund M (2019) Norwegian Spiders - Norske edderkopper. Siste oppdatering for funn av nye arter 10. oktober, 2019. Online at http://crocea.wordpress.com/norsk-artsliste/ 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

Le Peru B (2007) Catalogue et répartition des araignées de France. Revue Arachnologique 16: 1-468

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

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

WSC (2021) World Spider Catalog. Version 22.5. Natural History Museum Bern, online at http://wsc.nmbe.ch (22.09.2021) doi: 10.24436/2 pdf

Updates
05-10-2020 Distribution update Detail
03-02-2019 Distribution update Detail
22-05-2018 Image insert
13-06-2016 Datasheet update Detail
26-02-2014 Distribution update Detail