Linyphiidae  Blackwall, 1859 / Trichoncus  Simon, 1884   21 species

Trichoncus auritus (L. Koch, 1869)

Description
Male

Tibial apophysis with large ± quadrangular process beside the long bent process.
Prosoma red-brown, with dark pattern, unmodified. Opisthosoma blackish.

Body length male: 2.4-2.6 mm
Female

Epigyne with strongly protruding posterior margin. 

Body length female: 2.0-2.7 mm
Distribution
  Presence
  No data
Global distribution (WSC 2026): France to Ukraine and Bulgaria, Russia (Europe)
Figures
Distribution List
Austria   (Thaler, 1999b) ||| Bulgaria   (Blagoev et al., 2018) ||| Czechia   (Růžička & Řezáč, 2022a) ||| France   (Le Peru, 2007) ||| Germany   (Blick et al., 2016) ||| Hungary   (Samu & Szinetár, 1999) ||| Italy   (Pantini et al., 2016; Isaia et al., 2025) ||| Liechtenstein   (Arnold, 2001) ||| Romania   (Weiss & Petrișor, 1999) ||| Russia, Eastern   (Esyunin & Efimik, 1996a) ||| Slovakia   (Gajdoš et al., 1999) ||| Slovenia   (Gregorič & Kuntner, 2009) ||| Switzerland   (Maurer & Hänggi, 1990) ||| Ukraine   (Polchaninova & Prokopenko, 2019) |||
References

Arnold K (2001) Beitrag zur Spinnenfauna (Arachnida, Araneae) des Fürstentums Liechtenstein. Berichte der Botanisch-Zoologischen Gesellschaft Liechtenstein-Sargans-Werdenberg 28: 211-244 pdf

Blagoev G, Deltshev C, Lazarov S, Naumova M (2018) The spiders (Araneae) of Bulgaria. Version: August 2018. National Museum of Natural History, Bulgarian Academy of Sciences. Online at http://www.nmnhs.com/spiders-bulgaria/ (accessed on 10.9.2018) pdf

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

Esyunin S L, Efimik V E (1996a) Catalogue of the spiders (Arachnida, Aranei) of the Urals. KMK Scientific Press, Moscow, 228 pp. pdf

Gajdoš P, Svatoň J, Sloboda J (1999) Katalóg pavúkov Slovenska. Catalogue of Slovakian spiders. Ústav kr. ekol. SAV, Bratislava, 337 pp.

Gregorič M, Kuntner M (2009) Epigean spider diversity in the classical karst. Hacquetia 8: 67-78 pdf

Heimer S, Nentwig W (1991) Spinnen Mitteleuropas. Paul Parey Berlin 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

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

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

Pantini P, Isaia M, Mazzoleni F, Oneto C (2016) Nuovi dati sui ragni di Lombardia (Arachnida, Araneae). Rivista del Museo Civico di Scienze Naturali "E. Caffi", Bergamo 29: 21-44 pdf

Polchaninova N, Prokopenko E (2019) An updated checklist of spiders (Arachnida: Araneae) of Left-Bank Ukraine. Arachnologische Mitteilungen 57: 60-64 & App pdf

Růžička V, Řezáč M (2022a) Seznam pavouků České republiky. List of spiders of the Czech Republic. Online at https://www.arachnology.cz/seznam-pavouku-cr-26.html and https://www.arachnology.cz/en/seznam-pavouku-cr-26.html pdf

Samu F, Szinetár C (1999) Bibliographic check list of the Hungarian spider fauna. Bulletin of the British Arachnological Society 11: 161-184 pdf

Thaler K (1991a) Über wenig bekannte Zwergspinnen aus den Alpen-VIII (Arachnida: Aranei, Linyphiidae: Erigoninae). Revue Suisse de Zoologie 98: 165-184 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

Weiss I, Petrișor A (1999) List of the spiders (Arachnida: Araneae) from Romania. Travaux du Muséum National d’Histoire Naturelle “Grigore Antipa” 41: 79-107 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
22-10-2025 Distribution update Detail
15-01-2023 Distribution update Detail
06-02-2019 Distribution update Detail
04-02-2019 Distribution update Detail
08-11-2017 Image insert
08-11-2017 Distribution update Detail