Linyphiidae  Blackwall, 1859 / Thyreosthenius  Simon, 1884   2 species

Thyreosthenius biovatus  (O. Pickard-Cambridge, 1875)

Description

Male palp with 2 ± equally long tibial apophyses. Epigyne ± quadrangular, reaching beyond epigastric furrow. Prosoma yellow-brown, male: with very high bipartite spheroidal cephalic lobe. Legs yellow-orange. Opisthosoma light grey.

Body length male: 1.6-1.9 mm
Body length female: 1.8-2.2 mm
Additional information

living together with ants

Character states from linyphiid key
Distribution
  Presence
  No data
Global distribution (WSC 2020): Europe, Russia (Europe to Far North East)
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) ||| France   (no references) ||| Germany   (no references) ||| Hungary   (Samu & Szinetár, 1999) ||| Italy   (Ballini et al., 2015) ||| Latvia   (Cera, 2018) ||| Liechtenstein   (no references) ||| Netherlands   (no references) ||| Norway   (Aakra & Hauge, 2003) ||| Poland   (no references) ||| Russia, Eastern   (no references) ||| Slovakia   (no references) ||| Sweden   (Kronestedt, 2001) ||| Switzerland   (no references) ||| Ukraine   (no references) ||| United Kingdom   (no references) |||
References

Aakra K, Hauge E (2003) Checklist of Norwegian spiders (Arachnida: Araneae), including Svalbard and Jan Mayen. Norwegian Journal of Entomology 50: 109-129 pdf

Ballini S, Stauder F, Steinberger K-H (2015) Webspinnen (Arachnida: Araneae). In: Schatz H & Wilhalm T (Eds). Tag der Artenvielfalt 2014 in St. Felix (Gemeinde Unsere Liebe Frau im Walde St. Felix, Südtirol, Italien). Gredleriana 15: 168-171 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

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

Kronestedt T (2001) Checklist of Spiders (Araneae) in Sweden [Preliminary version February 2001] pdf

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

Løvbrekke H (unpubl.)

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

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

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

Wiehle H (1960a) Spinnentiere oder Arachnoidea (Araneae). XI. Micryphantidae-Zwergspinnen. Die Tierwelt Deutschlands 47: 1-620 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
01-05-2020 Distribution insert Detail
12-07-2018 Image insert
13-03-2018 Image insert