Linyphiidae  Blackwall, 1859 / Bathyphantes  Menge, 1866   13 species

Bathyphantes approximatus  (O. Pickard-Cambridge, 1871)

Description

Embolus forming a very large loop, longitudinal to cymbium. Epigyne with large scapus, ± as long as wide. Prosoma brown, with darkened margin. Sternum blackish. Chelicerae light brown, with 3 denticles on anterior and 4 denticles on posterior cheliceral furrow margin. Opisthosoma black, mostly with bright pattern dorsally consisting of transverse bands or chevrons.

Body length male: 2-3 mm
Body length female: 2-3.5 mm
Additional information

in very damp and shadowed localities

Character states from linyphiid key
Distribution
  Presence
  No data
Global distribution (WSC 2019): Europe, Caucasus, Russia (Europe to Middle Siberia)
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Maximum: May to July
Figures
References

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

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

Locket G H, Millidge A F (1953) British Spiders 2. Ray Soc London

Løvbrekke H (unpubl.)

Otto S (2019) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 10.2019. Internet: caucasus-spiders.info.

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. [Old pdf-version: Checklist of the Italian spiders (version June 2018). online at Pantini_&_Isaia_- _Checklist_of_the_Italian_spiders._June_2018.] Fragmenta Entomologica 51: 127-152 pdf

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

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

Roberts M J (1995) Spiders of Britain and Northern Europe. Collins Field Guide Bath

Roberts M J (1998) Spinnengids. Tirion Natuur Baarn, Netherlands

Wiehle H (1956) Spinnentiere oder Arachnoidea, X. 28: Familie Linyphiidae-Baldachinspinnen. Tierwelt Deutschlands 44: 1-337

World Spider Catalog (2019) World Spider Catalog, version 20.5. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.09.2019) doi: 10.24436/2