Nusoncus nasutus (Schenkel, 1925)
Description
Male
Terminal apophysis of male palp with several spikes. Embolus hook-shaped. Epigyne posteriorly with 2 cone-like protruding lobes. Prosoma brown, margin and weak radial stripes darker. Males: with nose-like protruding clypeus. Legs red-brown. Opisthosoma dark grey-black.
Body length male: 1.8-1.9 mmFemale
Clypeus with small nose-like protruding
Body length female: 1.8-2.1 mmAdditional information
On tree trunks in damp forests of the low mountain range, also on twigs of conifers as well as in the herbaceous layer. Spins occasionally aggregative webs of several dozen meters size, with densities of up to 100‘000 individuals per square meter, thus large webs can harbour several million individuals.
Frequency: sometimes mass occurrence (Komposch & Natmessnig 2001)
Character states from linyphiid key
Distribution
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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Figures
Pedipalp, ventral view
(Heimer & Nentwig 1991)
Pedipalp, retrolateral view
(Løvbrekke unpubl.)
Pedipalp with tibia, patella and femur, retrolateral view
(Løvbrekke unpubl.)
Tip of pedipalp, ventral view
(Løvbrekke unpubl.)
Tibial apophysis
(Wiehle 1963b)
Tibial apophysis, dorsal view
(Løvbrekke unpubl.)
Prosoma, lateral view
(Heimer & Nentwig 1991)
Prosoma, lateral view
(Løvbrekke unpubl.)
Habitus
(Schenkel 1925)
Habitus, dorsal view
(Løvbrekke unpubl.)
Epigyne
(Staręga 1972)
Epigyne
(Wiehle 1963b)
Epigyne, lateral view
(Kolosváry 1934a)
Epigyne, ventral view
(Kolosváry 1934a)
Epigyne
(Løvbrekke unpubl.)
Vulva
(Wiehle 1963b)
Vulva
(Løvbrekke unpubl.)
Vulva
(Fjellberg unpubl.)
Eyes, dorsal view
(Wiehle 1963b)
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.
References
Aakra K, Hauge E (2003) Checklist of Norwegian spiders (Arachnida: Araneae), including Svalbard and Jan Mayen. Norwegian Journal of Entomology 50: 109-129 
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)
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
Bosmans R, Van Keer K (2017) Een herziene soortenlijst van de Belgische spinnen (Araneae). Nieuwsbrief van de Belgische Arachnologische Vereniging 32: 39-69
Cera I (2009) Four spider (Araneae) species new to the fauna of Latvia. Latvijas Entomologs 47: 93-94
Cera I (2018) The checklist of Latvian spiders (Arachnida: Araneae). Environmental and Experimental Biology 16: 139-152
Fjellberg A (unpubl.) .
Gajdoš P, Svatoň J, Sloboda J (1999) Katalóg pavúkov Slovenska. Catalogue of Slovakian spiders. Ústav kr. ekol. SAV, Bratislava, 337 pp.
Gnelitsa V A (2005) [Preliminary data on spiders of the family Linyphiidae of the National Natural Park "Synevyr" (Carpathians, Ukraine)]. Nature Reserves in Ukraine 11: 54-59
Heimer S, Nentwig W (1991) Spinnen Mitteleuropas. Paul Parey Berlin
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
Kolosváry G (1934a) 21 neue Spinnenarten aus Slovensko, Ungarn und aus der Banat. Folia Zoologica et Hydrobiologica, Rigā 6: 12-17
Komposch C, Natmessnig I (2001) Ein Massenauftreten der Zwergspinne Troxochrus nasutus in Kärnten. Carinthia II 191/111: 497-516
Koponen S, Fritzén N R, Pajunen T (2016) Checklist of spiders in Finland (Araneae). 6th version, December 2016, online at http://biolcoll.utu.fi/arach/checklist_of_spiders_in_Finland.htm
Kostanjšek R, Kuntner M (2015) Araneae Sloveniae: a national spider species checklist. ZooKeys 474: 1-91
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
Kronestedt T (2001) Checklist of Spiders (Araneae) in Sweden [Preliminary version February 2001]
Løvbrekke H (unpubl.)
Maurer R, Hänggi A (1990) Katalog der schweizerischen Spinnen. Documenta Faunistica Helvetiae 12
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
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
Scharff N, Gudik-Sørensen O (2006) Katalog over Danmarks edderkopper (Araneae). Catalogue of the spiders of Denmark (Araneae). Entomologiske Meddelelser 74: 3-71
Schenkel E (1925) Beitrag zur Kenntnis der schweizerischen Spinnenfauna. Revue Suisse de Zoologie 32: 253-318
Staręga W (1972) Nowe dla fauny Polski i rzadsze gatunki pajakow (Aranei), z opisem Lepthyphantes milleri sp. n.. Fragmenta Faunistica 18: 55-98
Staudt A, Weber D, Nährig D (2013) Webspinnen (Arachnida, Araneae) aus Höhlen des Großherzogtums Luxemburg. Ferrantia 69: 115-157
Thaler K (1999b) Beiträge zur Spinnenfauna von Nordtirol - 6. Linyphiidae 2: Erigoninae (sensu Wiehle) (Arachnida: Araneida). Veröffentlichungen des Tiroler Landesmuseums Ferdinandeum 79: 215-264
Vilbaste A (1987) Eesti Ämblikud (Aranei). Annoteeritud nimestik. Estonian spiders (Aranei). An annotated check list. Valgus, Tallinn. 113 pp. & 512 maps on 67 unpag. pages
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
Wiehle H (1963b) Beiträge zur Kenntnis der deutschen Spinnenfauna III. Zoologische Jahrbücher, Abteilung für Systematik, Geographie und Biologie der Tiere 90: 227-298
WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) doi: 10.24436/2
Updates
| 03-10-2025 | Distribution update | Detail |
| 15-05-2025 | Distribution update | Detail |
| 16-02-2023 | Distribution insert | Detail |
| 23-10-2022 | Gallery image insert | |
| 04-01-2020 | Image insert | |
| 04-02-2019 | Distribution update | Detail |
| 22-10-2018 | Datasheet update | Detail |
| 04-02-2018 | Image insert | |
| 18-01-2018 | Image insert | |
| 30-09-2015 | Distribution update | Detail |
| 28-04-2013 | Distribution update | Detail |
| 09-04-2013 | Distribution update | Detail |