Linyphiidae  Blackwall, 1859 / Lessertia  Smith, 1908   2 species

Lessertia barbara  (Simon, 1884)


Prosoma and legs yellow-brown. Prosoma length: 1.25 mm, prosoma width: 0.97 mm. Opisthosoma pale grey.

Body length male: 2.3-2.7 mm

Prosoma length: 1.35 mm, prosoma width: 1.09 mm. Colouration as in males.

Body length female: 2.5-3.3 mm
Additional information

Mainly cavernicolous.

Troglophile species (Mammola et al. 2018)

Character states from linyphiid key
  No data
Global distribution (WSC 2020): Spain, Morocco, Algeria
Distribution List
Algeria   ( Bosmans, unpubl.; ) ||| Italy / Sicily   ( Pantini & Isaia, 2019; ) ||| Morocco   ( Bosmans, unpubl.; ) ||| Spain   ( no references ) |||

Bosmans R (2007) Contribution to the knowledge of the Linyphiidae of the Maghreb. Part XII. Miscellaneous erigonine genera and additional records (Araneae: Linyphiidae: Erigoninae). Bull Annls Soc r belge Ent 143: 117-163

Bosmans R. (unpubl.) Provisional list of spiders of North Africa. Database excerpt Aug. 2019

Denis J (1968a) Notes d'aranéologie marocaine. X. Les érigonides du Maroc. Bull Soc Sci nat Maroc 47: 137-164

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

Mammola S, Cardoso P, Ribera C, Pavlek M, Isaia M (2018b) A synthesis on cave-dwelling spiders in Europe. Zoological Systematics and Evolutionary Research 56: 301-316 pdf

Millidge A F (1977) The conformation of the male palpal organs of linyphiid spiders, and its application to the taxonomic and phylogenetic analysis of the family (Araneae: Linyphiidae). Bulletin of the British Arachnological Society 4: 1-60 pdf

Pantini P, Isaia M (2019) the online Catalog of Italian spiders, with addenda on other Arachnid Orders occurring in Italy (Arachnida: Araneae, Opiliones, Palpigradi, Pseudoscorpionida, Scorpiones, Solifugae). Fragmenta Entomologica 51: 127-152 pdf

World Spider Catalog (2020) World Spider Catalog. Version 21.0. Natural History Museum Bern, online at (20.03.2020) doi: 10.24436/2

Wunderlich J (1995e) Zur Taxonomie europäischer Gattungen der Zwergspinnen (Arachnida: Araneae: Linyphiidae: Erigoninae). Beitr Araneol 4: 643-654

17-12-2013 Datasheet update Detail
17-12-2013 Image insert