Linyphiidae  Blackwall, 1859 / Trichoncus  Simon, 1884   21 species

Trichoncus vasconicus Denis, 1944

Description
Male

Tibial apophysis with 2 strikingly long processes, appearing parallel (in lateral view).
Prosoma brown, median spot and radial stripes darker. Legs yellow-brown. Tibia I and II dark brown to black. Opisthosoma black.

Body length male: 1.9-2.0 mm
Female

Epigyne with quadrangular to roundish epigynal region. Epigyne wider or equally wide than two times the length of epigyne. Epigynal median part ± pentagonal. 

Body length female: 1.9-2.3 mm
Additional information

Amongst low vegetation in dry and warm localities.

Maybe a synonym of T. affinis (siehe Wunderlich 2011a: 283).

Character states from linyphiid key
Distribution
  Presence
  No data
Distribution comment: Record from Norway removed (Løvbrekke pers. comm.)
Global distribution (WSC 2026): Europe, Russia (Europe to South Siberia), Kazakhstan
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
Distribution List

"No references" does not mean that the species does not occur in this country, but that we have not yet inserted the reference for it. We are working on it.

Austria   (Thaler, 1999b) ||| Bulgaria   (Naumova et al., 2021) ||| Estonia   (Mikhailov, 2013) ||| France   (Le Peru, 2007) ||| Greece   (Buchholz, 2007) ||| Poland   (Rozwałka & Stanska, 2008) ||| Romania   (Weiss & Petrișor, 1999) ||| Russia, Eastern   (Esyunin & Efimik, 1996a) ||| Russia, Southern   (Otto, 2022) ||| Spain   (Branco et al., 2019) ||| Ukraine   (Polchaninova & Prokopenko, 2019) |||
References

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

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

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

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

Mikhailov K G (2013) The spiders (Arachnida: Aranei) of Russia and adjacent countries: a non-annotated checklist. Arthropoda Selecta, Supplement 3: 1-262 pdf

Naumova M, Blagoev G, Deltshev D (2021) Fifty spider species new to the Bulgarian fauna, with a review of some dubious species (Arachnida: Araneae). Zootaxa 4984: 228-257 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

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

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

Wunderlich J (2011a) Extant and fossil spiders (Araneae). Heutige und fossile Spinnen. Beiträge zur Araneologie 6: 1-640 pdf

Updates
22-10-2025 Distribution update Detail
05-12-2024 Distribution update Detail
10-06-2021 Distribution insert Detail
18-09-2014 Distribution update Detail