Linyphiidae  Blackwall, 1859 / Nusoncus  Wunderlich, 2008   1 species

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 mm
Female

Clypeus with small nose-like protruding

Body length female: 1.8-2.1 mm
Additional 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
  Presence
  No data
Global distribution (WSC 2020): Europe
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
Distribution List
Austria   (no references) ||| Belgium   (no references) ||| Bulgaria   (Blagoev et al., 2018) ||| Czechia   (no references) ||| Denmark   (no references) ||| Estonia   (no references) ||| Finland   (Koponen et al., 2016) ||| Germany   (no references) ||| Italy   (Pantini & Isaia, 2019) ||| Latvia   (Cera, 2018) ||| Lithuania   (no references) ||| Luxembourg   (Kreuels et al., 2019) ||| Norway   (no references) ||| Poland   (no references) ||| Romania   (no references) ||| Russia, Central   (no references) ||| Slovakia   (no references) ||| Slovenia   (Kostanjšek & Kuntner, 2015) ||| Sweden   (no references) ||| Switzerland   (no references) |||
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

Cera I (2009) Four spider (Araneae) species new to the fauna of Latvia. Latvijas Entomologs 47: 93-94 pdf

Cera I (2018) The checklist of Latvian spiders (Arachnida: Araneae). Environmental and Experimental Biology 16: 139-152 pdf

Fjellberg A (unpubl.)

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

Helsdingen P J van (2010a) Araneae. In: Fauna Europaea Database (Version 2010.1), online at www.european-arachnology.org

Kolosváry G (1934a) 21 neue Spinnenarten aus Slovensko, Ungarn und aus der Banat. Folia Zoologica et Hydrobiologica, Rigā 6: 12-17 pdf

Komposch C, Natmessnig I (2001) Ein Massenauftreten der Zwergspinne Troxochrus nasutus in Kärnten. Carinthia II 191/111: 497-516 pdf

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 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

Løvbrekke H (unpubl.)

Pantini P, Isaia M (2019) Araneae.it: the online catalog of Italian spiders, with addenda on other arachnid orders occurring in Italy (Arachnida: Araneae, Opiliones, Palpigradi, Pseudoscorpionida, Scorpiones, Solifugae). http://araneae.it. Fragmenta Entomologica 51: 127-152 pdf

Schenkel E (1925) Beitrag zur Kenntnis der schweizerschen Spinnenfauna. Revue Suisse de Zoologie 32: 253-318 pdf

Staręga W (1972) Nowe dla fauny Polski i rzadsze gatunki pajakow (Aranei), z opisem Lepthyphantes milleri sp. n.. Fragmenta Faunistica 18: 55-98 pdf

Staudt A, Weber D, Nährig D (2013) Webspinnen (Arachnida,  Araneae) aus Höhlen des Großherzogtums Luxemburg. Ferrantia 69: 115-157 pdf

Wiehle H (1963b) Beiträge zur Kenntnis der deutschen Spinnenfauna III. Zoologische Jahrbücher, Abteilung für Systematik, Geographie und Biologie der Tiere 90: 227-298 pdf

World Spider Catalog (2020) World Spider Catalog. Version 21.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.03.2020) doi: 10.24436/2 pdf

Updates
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