Linyphiidae  Blackwall, 1859 / Trichoncus  Simon, 1884   21 species

Trichoncus affinis Kulczyński, 1894

Description
Male

Cymbium with clearly visible bulge on base. Prosoma brown to dark brown, with black-brown margin, median spot and radial stripes. Legs yellow to yellow-brown. Opisthosoma black.

Body length male: 2.2 mm
Female

Epigynal plate more than two times as wide as long. Vulva: receptaculum thick-walled. Colouration as in males.

Body length female: 2.4-2.5 mm
Additional information

in dry and warm localities amongst low vegetation

Character states from linyphiid key
Distribution
  Presence
  No data
Global distribution (WSC 2026): Europe, Caucasus (Russia, Georgia)
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
Distribution List
Albania   (Deltshev et al., 2011b) ||| Austria   (Komposch & Steinberger, 1999) ||| Bulgaria   (Blagoev et al., 2018) ||| Croatia   (Grbac et al., 2019) ||| Czechia   (Růžička & Řezáč, 2022a) ||| France   (Le Peru, 2007) ||| Georgia   (Otto, 2022) ||| Germany   (Blick et al., 2016) ||| Greece   (Buchholz, 2007) ||| Hungary   (Samu & Szinetár, 1999) ||| Italy   (Isaia et al., 2025) ||| Kosovo   (Vrenozi & Jäger, 2013) ||| Liechtenstein   (Frick, unpubl.) ||| Luxembourg   (Kreuels et al., 2019) ||| Moldova   (Vasiliev & Mikhailov, 2023) ||| Netherlands   (van Helsdingen, 2025a) ||| North Macedonia   (Komnenov, 2014) ||| Norway  Removed (Farlund, 2019; Løvbrekke, unpubl.) ||| Poland   (Rozwałka & Stanska, 2008) ||| Romania   (Weiss & Petrișor, 1999) ||| Russia, Central   (Ponomarev, 2022) ||| Russia, Eastern   (Esyunin & Efimik, 1996a) ||| Russia, Southern   (Ponomarev et al., 2021b; Ponomarev, 2022) ||| Russia, Western   (no references) ||| Serbia   (Grbić et al., 2015) ||| Slovakia   (Gajdoš et al., 1999) ||| Slovenia   (Kostanjšek & Kuntner, 2015) ||| Spain   (Branco et al., 2019) ||| Switzerland   (Maurer & Hänggi, 1990) ||| Turkey (Europe)   (Türkeş, 2019; Demircan Aksan & Topçu, 2022c) ||| Ukraine   (Polchaninova & Prokopenko, 2019) ||| United Kingdom   (Lavery, 2019) |||
References

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

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

Buchholz S (2007) A first contribution to the arachnofauna (Arachnida: Araneae) of the Nestos Delta (NE Greece). Acta Zoologica Bulgarica 59: 241-252 pdf

Deltshev C, Vrenozi B, Blagoev G, Lazarov S (2011b) Spiders of Albania – faunistic and zoogeographical review (Arachnida: Araneae). Acta Zoologica Bulgarica 63: 125-144 pdf

Demircan Aksan N, Topçu A (2022c) A preliminary checklist of the spider fauna of European Türkiye. Serket 19: 39-56 pdf

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

Farlund M (2019) Norwegian Spiders - Norske edderkopper. Siste oppdatering for funn av nye arter 10. oktober, 2019. Online at http://crocea.wordpress.com/norsk-artsliste/ pdf

Frick H (unpubl.) .

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

Grbac I, Katušić L, Lukić M (2019) Catalogue of spiders (Araneae) deposited in the Croatian Natural History Museum. Natura Croatica 28: 185-269 pdf

Grbić G, Hänggi A, Savić D (2015) New faunistic records of spiders (Arachnida, Areneae [sic]) from the Fruška Gora mountain, northern Serbia. Acta Zoologica Bulgarica 67: 479-486 pdf

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

Helsdingen P J van (2025a) Catalogus van de Nederlandse spinnen. Versie 2025.1. 249 pp. pdf

Höfer H, Meyer F, Bauer T, Bayer S, Harry I, Kastner L (2019) Überraschende Erstnachweise und neue Daten zu seltenen Spinnenarten (Arachnida: Araneae) aus Blockhalden in Baden-Württemberg. Arachnologische Mitteilungen 58: 62-84 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 (2014) Spider fauna of the Osogovo Mt. Range, Northeastern Macedonia. Fauna Balkana 2: 1-267 pdf

Komposch C, Steinberger K-H (1999) Rote Liste der Spinnen Kärntens (Arachnida: Araneae). Naturschutz in Kärnten 15: 567-616 pdf

Kostanjšek R, Kuntner M (2015) Araneae Sloveniae: a national spider species checklist. ZooKeys 474: 1-91 pdf

Kreuels M, Staudt A, Christian S (2019) Die Spinnenfauna von Luxemburg – eine Zusammenstellung der Nachweise aus den Jahren 1906-2018 (Arachnida: Araneae). Bulletin de la Société des naturalistes luxembourgeois 121: 203-230 pdf

Lavery A (2019) A revised checklist of the spiders of Great Britain and Ireland. Arachnology 18: 196-212 pdf

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

Locket G H, Millidge A F (1953) British spiders. Vol. II. Ray Society, London, 449 pp. pdf

Locket G H, Millidge A F, Merrett P (1974) British Spiders, Volume III. Ray Society, London, 315 pp. pdf

Løvbrekke H (unpubl.)

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

Otto S (2022) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 02.2022. Internet: caucasus-spiders.info.

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

Ponomarev A V (2022) Spiders (Arachnida: Araneae) of the southeast of the Russian Plain: catalogue, the fauna specific features. SSC RAS Publishers, Rostov-on-Don, 640 pp. pdf

Ponomarev A V, Alekseev S K, Komarov Y E, Shmatko V Y (2021b) Spiders (Aranei) of the Terek River valley in Mozdok District of the Republic of North Ossetia–Alania, Russia. Caucasian Entomological Bulletin 17: 351-374 pdf

Roberts M J (1987) The spiders of Great Britain and Ireland. Volume 2: Linyphiidae and checklist. Harley Books Colchester, England, 204 pp. pdf

Rozwałka R, Stanska M (2008) Check-list of spiders (Araneae) of Poland. 1. December 2008. online at http://www.arachnologia.edu.pl/en/species/8-spiders-of-poland.html 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

Türkeş T (2019) New records of Linyphiidae (Araneae) for Turkish araneo-fauna. Serket 16: 170-172 pdf

Vasiliev A I, Mikhailov K G (2023) Annotated checklist of spiders (Araneae) of the Republic of Moldova. Invertebrate Zoology 20: 307-342 pdf

Vrenozi B, Jäger P (2013) Spiders (Araneae) from Albania and Kosovo in the collection of Carl Friedrich Roewer. Arachnologische Mitteilungen 46: 17-26 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

Wiehle H (1960a) Spinnentiere oder Arachnoidea (Araneae). XI. Micryphantidae-Zwergspinnen. Die Tierwelt Deutschlands 47: 1-620 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

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