Linyphiidae  Blackwall, 1859 / Erigone  Audouin, 1826   30 species

Erigone aletris  Crosby & Bishop, 1928


Tibial apophysis with pointed triangular dorsal process. Epigyne bent upward and viewed from posterior ± triangular. Receptacula seminis not visible through epigyne.

Body length male: 1.7-2.1 mm
Body length female: 2.1-2.2 mm
Additional information

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
  No data
Global distribution (WSC 2019): USA, Canada. Introduced to Britain, Italy
 male  female

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

Pantini P, Isaia M (2018) Checklist of the Italian spiders (version June 2018). online at pdf

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

Wilson R (2015) Philodromus buxi and Anyphaena sabina: two new records for the UK. Newsl Br Arachnol Soc 132: 17-19 pdf

World Spider Catalog (2019) World Spider Catalog, version 20.0. Natural History Museum Bern, online at (20.01.2019) doi: 10.24436/2