Linyphiidae  Blackwall, 1859 / Walckenaeria  Blackwall, 1833   53 species

Walckenaeria extraterrestris  Bosmans, 1993

Description
Male

Resembles W. acuminata. Head as in its sibling species elevated into a vertical turret, its terminal lobe, which carries the posterior median eyes, excavated on its anterior side. Palp: dorsal side branch of main tibial apophysis less elevated. End of suprategulum rounded, with small digitiform process.

Prosoma length: 1.2 mm, prosoma width: 0.9 mm.

Body length male: 2.7 mm
Female

Female unknown.

Distribution
  Presence
  No data
Global distribution (WSC 2018): Algeria, Greece
Figures
References

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

Thaler K (1996) Three Walckenaeria species from Peloponnese, Greece (Araneae: Linyphiidae). Bull Br arachnol Soc 10: 156-160

World Spider Catalog (2018) World Spider Catalog, version 19.5. Natural History Museum Bern, online at http://wsc.nmbe.ch (15.07.2018) doi: 10.24436/2