Linyphiidae  Blackwall, 1859 / Janetschekia  Schenkel, 1939   1 species

Janetschekia monodon (O. Pickard-Cambridge, 1873)

Description

Prosoma shiny brown-black with blackish pattern. Sternum and chelicerae brownish yellow, sometimes darkened. Legs brownish yellow, sometimes darkened. Opisthosoma blackish, lung-covers yellowish.

Body length male: 1.5 mm
Body length female: 1.8 mm
Additional information

in glacier forefields of the Alps in rocky debris areas with poor vegetation, gravely river banks, also directly on border of glacier, 250-3400m; also on gravel roofs (Komposch, 2004).

Character states from linyphiid key
Distribution
  Presence
  No data
Global distribution (WSC 2026): France, Switzerland, Germany, Austria, Italy, Albania
Figures
Distribution List
Albania   (Komnenov, 2018) ||| Austria   (Thaler, 1999b) ||| France   (Michaud, 2021) ||| Germany   (Blick et al., 2016) ||| Italy   (Isaia et al., 2025) ||| Switzerland   (Maurer & Hänggi, 1990) |||
References

Blick T, Finch O-D, Harms K H, Kiechle J, Kielhorn K-H , Kreuels M, Malten A, Martin D, Muster C, Nährig D, Platen R, Rödel I, Scheidler M, Staudt A, Stumpf H, Tolke D (2016) Rote Liste und Gesamtartenliste der Spinnen (Arachnida: Araneae) Deutschlands. 3. Fassung, Stand April 2008, einzelne Änderungen und Nachträge bis August 2015. Naturschutz und Biologische Vielfalt 70/4: 383-510 pdf

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

Komnenov M (2018) Spiders (Arachnida: Araneae) of the floodplains of the Vjosa river, south Albania. Acta ZooBot Austria 155: 197-212 pdf

Komposch C (2004) Die Spinnenfauna (Araneae). Naturdach Kraftwerk Friesach. Sukzessionsstudie. Forschung im Verbund 87: 24-43 pdf

Maurer R, Hänggi A (1990) Katalog der schweizerischen Spinnen. Documenta Faunistica Helvetiae 12 pdf

Michaud A (2021) Découverte en France de Janetschekia monodon (O. Pickard-Cambridge, 1873) (Araneae, Linyphiidae). Revue Arachnologique (2) 8: 2-5 pdf

Thaler K (1969) Über einige wenig bekannte Zwergspinnen aus Tirol (Arachn., Araneae, Erigonidae). Berichte des Naturwissenschaftlich-Medizinischen Vereins in Innsbruck 57: 195-219 pdf

Thaler K (1999b) Beiträge zur Spinnenfauna von Nordtirol - 6. Linyphiidae 2: Erigoninae (sensu Wiehle) (Arachnida: Araneida). Veröffentlichungen des Tiroler Landesmuseums Ferdinandeum 79: 215-264 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
29-09-2025 Distribution update Detail
24-11-2021 Distribution update Detail
24-11-2021 Distribution insert Detail
24-11-2021 Image insert
02-12-2018 Image insert
02-12-2018 Distribution update Detail