Linyphiidae  Blackwall, 1859 / Birgerius  Saaristo, 1973   1 species

Birgerius microps (Simon, 1911)

Description

Prosoma pale yellow. Chelicerae pale yellow. Legs yellowish. Opisthosoma pale yellow.

Body length female: 1.6 mm
Additional information

inhabiting caves

Troglobiont species (Mammola et al., 2022)

Character states from linyphiid key
Distribution
  Presence
  No data
Global distribution (WSC 2026): France, Spain
Figures
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.

France   (Le Peru, 2007) ||| Spain   (Branco et al., 2019) |||
References

Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). Zootaxa 4614: 201-254 pdf

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

Mammola S, Pavlek M, Huber B A, Isaia M, Ballarin F, Tolve M, Čupić I, Hesselberg T, Lunghi E, Mouron S, Graco-Roza C, Cardoso P (2022) A trait database and updated checklist for European subterranean spiders. Scientific Data 9(236): 1-13 pdf

Saaristo M I (1973) Birgerius gen. n. (Araneae: Linyphiidae). Annales Zoologici Fennici 10: 449-450 pdf

WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) doi: 10.24436/2 pdf

Updates
29-08-2025 Distribution update Detail