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 mmFemale
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 mmAdditional information
Mainly in damp habitats
Frequency: Rarely found
Character states from linyphiid key
Distribution
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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Figures
Pedipalp
(Roberts 1987)
Pedipalp
(Locket & Millidge 1953)
Pedipalp, retrolateral view
(Løvbrekke unpubl.)
Palpal tibia, dorsal view
(Roberts 1987)
Palpal tibia
(Locket & Millidge 1953)
Palpal tibia, dorsal view
(Løvbrekke unpubl.)
Palpal tibia, ventral view
(Løvbrekke unpubl.)
Epigyne
(Roberts 1987)
Epigyne
(Roberts 1987)
Epigyne, lifted
(Roberts 1987)
Epigyne
(Locket & Millidge 1953)
Epigyne
(Løvbrekke unpubl.)
Epigyne, lateral view
(Løvbrekke unpubl.)
Vulva, dorsal view
(Løvbrekke unpubl.)
Chelicera, frontal view
(Løvbrekke unpubl.)
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.
References
Cera I (2018) The checklist of Latvian spiders (Arachnida: Araneae). Environmental and Experimental Biology 16: 139-152 
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
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/
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
Kronestedt T (2001) Checklist of Spiders (Araneae) in Sweden [Preliminary version February 2001]
Lavery A (2019) A revised checklist of the spiders of Great Britain and Ireland. Arachnology 18: 196-212
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.
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
Roberts M J (1987) The spiders of Great Britain and Ireland. Volume 2: Linyphiidae and checklist. Harley Books Colchester, England, 204 pp.
WSC (2024) World Spider Catalog. Version 25.5. Natural History Museum Bern, online at http://wsc.nmbe.ch (31.10.2024) doi: 10.24436/2