Erigone autumnalis Emerton, 1882
Description
Male palp with projecting patellar apophysis. Epigyne only posteriorly with transverse folds. Prosoma with high contrast black eye field. Sternum slightly blackish. Opisthosoma slightly blackish.
Body length male: 1.18-1.5 mmBody length female: 1.4-1.7 mm
Additional information
Probably North- and Central American species originally, widely dispersed by wind drift (Antarctic (?), Azores). In Switzerland only in Tessin.
This species of North American origin is not native to Europe (alien species). It had been introduced to Europe at least once and did establish.
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, retrolateral view
(Déjean & Danflous 2017)
Pedipalp, ventral view
(Déjean & Danflous 2017)
Pedipalp with Tibia and Femur, retrolateral view
(Bellvert et al. 2018)
Pedipalp, ventral view
(Bellvert et al. 2018)
Pedipalp with Tibia and Femur, retrolateral view
(Pesarini 1996)
Pedipalp, retrolateral view
(Kuralt & Kostanjšek 2019)
Embolus
(Hänggi 1993)
Patella and tibia of pedipalp
(Hänggi 1993)
Palpal tibia, dorsal view
(Pesarini 1996)
Gnathocoxa and trochanter of pedipalp
(Hänggi 1993)
Epigyne
(Hänggi 1993)
Epigyne
(Déjean & Danflous 2017)
Vulva
(Hänggi 1993)
Distribution List
References
Bellvert A, Domènech M, Cabrera-Cánoves P, Pujade-Villar J (2018) First record of Erigone autumnalis Emerton, 1882 (Araneae: Linyphiidae: Erigoninae) for the Iberian Peninsula. Revista Ibérica de Aracnología 33: 73-74 
Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). [N.B.: few records from this paper are not taken over and not commented] Zootaxa 4614: 201-254
Déjean S, Danflous S (2017) Erigone autumnalis Emerton 1882 (Araneae, Linyphiidae), nouvelle espèce pour la faune de France. Revue Arachnologique (2) 4: 14-17
Hänggi A (1993) Beiträge zur Kenntnis der Spinnenfauna des Kantons Tessin IV - Weitere faunistisch bemerkenswerte Spinnenfunde der Tessiner Montanstufe. Mitteilungen der Schweizerischen Entomologischen Gesellschaft 66: 303-316
Kuralt Ž, Kostanjšek R (2019) A contribution to the Slovenian spider fauna – IV. Natura Sloveniae 21: 21-45
Milasowszky N, Hepner M, Komposch C, Zulka K P (2016) Erstnachweise von Drassyllus vinealis (KulczyńsKi, 1897) und Erigone autumnalis Emerton, 1882 (Arachnida: Araneae: Gnaphosidae, Linyphiidae) in Österreich. Beiträge zur Entomofaunistik 17: 163-167
Pantini P, Isaia M (2019) Araneae.it: the online catalog of Italian spiders, with addenda on other arachnid orders occurring in Italy (Arachnida: Araneae, Opiliones, Palpigradi, Pseudoscorpionida, Scorpiones, Solifugae). http://araneae.it. Fragmenta Entomologica 51: 127-152
Pesarini C (1996) Note su alcuni Erigonidae italiani, con descrizione di una nuova specie (Araneae). Atti della Società Italiana di Scienze Naturali e del Museo Civico di Storia Naturale di Milano 135: 413-429
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