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Linyphiidae  Blackwall, 1859 / Acartauchenius  Simon, 1884   11 species

Acartauchenius sardiniensis Wunderlich, 1995

Description
Male

Prosoma light brown, with distinct, dark, star-shaped spot, with thin blackish margins. Sternum brown. Legs yellow-brown. Opisthosoma dark grey. Prosoma with distinct elevation between posterior median eyes. Palp: Tibia apically with bifid apophysis, suprategulum ventral-distally with bifid apophysis, embolus distally with membranous fringe.

Prosoma length: 0.6 mm.

Body length male: 1.5 mm
Female

Colour as in male. Epigyne: Posteriorly with large sclerotized plate, medially with posteriad directed appendage, anteriorly with groove-like, large openings.

Prosoma length: 0.6 mm.

Body length female: 1.6 mm
Distribution
  Presence
  No data
Global distribution (WSC 2026): Italy (Sardinia)
Figures
Distribution List
Italy / Sardinia   (Isaia et al., 2025) |||
References

Isaia M, Tolve M, Pantini P (2025) Araneae.it: 2.0: the new updated version of the digital catalog of the Italian spiders and other arachnids (Arachnida: Araneae, Opiliones, Scorpiones, Pseudoscorpiones, Palpigradi, Solifugae). Fragmenta Entomologica 57: 197-204 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

Wunderlich J (1995a) Zur Kenntnis der Endemiten, zur Evolution und zur Biogeographie der Spinnen Korsikas und Sardiniens, mit Neubeschreibungen (Arachnida: Araneae). Beiträge zur Araneologie 4: 353-383 pdf

Updates
28-09-2016 Datasheet update Detail