Amaurobiidae  Thorell, 1870 / Amaurobius  C. L. Koch, 1837   38 species

Amaurobius obustus  L. Koch, 1868

Description

Tibial apophysis dorsally with a slender lateral process, median process long and slender. Epigyne with long lateral parts, reaching end of median part. Prosoma yellow-brown. Sternum yellow-brown. Chelicerae red-brown. Legs yellow-brown, with darker spots. Opisthosoma light grey-yellow, dorsally in the anterior half a black square marking becoming a dark longitudinal stripe posteriorly.

Body length male: 3-4 mm
Body length female: 4.5-5.5 mm
Additional information

Under stones.

Frequency: Rare

Distribution
  Presence
  No data
Distribution comment: Germany: records not confirmed, therefore deleted (Blick et al., 2016)
Global distribution (WSC 2021): Europe
Figures
Distribution List
Austria   (no references) ||| Bulgaria   (Blagoev et al., 2018) ||| Croatia   (no references) ||| Italy   (Pantini & Isaia, 2019) ||| Romania   (no references) ||| Slovenia   (Kostanjšek & Kuntner, 2015) ||| Ukraine   (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

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 pdf

Denis J (1963) Araignées des Dolomites. Atti del Reale Istituto Veneto di Scienze, Lettere ed Arti 121: 253-271 pdf

Kostanjšek R, Kuntner M (2015) Araneae Sloveniae: a national spider species checklist. ZooKeys 474: 1-91 pdf

Loksa I (1969) Pokok I-Araneae I. Fauna Hungariae 97: 1-133 pdf

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

Pesarini C (1991) The Amaurobiidae of Northern Italy (Araneae). Atti della Società Italiana di Scienze Naturali e del Museo Civico di Storia Naturale di Milano 131: 261-276 pdf

Thaler K (1990b) Amaurobius ruffoi n.sp., eine weitere Reliktart der Südalpen ? mit Bemerkungen über die Amaurobiidae der Alpen (Arachnida: Aranei). Zoologischer Anzeiger 225: 241-252 pdf

Wiehle H (1953) Spinnentiere oder Arachnoidea (Araneae), IX. Orthognatha-Cribellata-Haplogynae, Entelegynae (Pholcidae, Zodariidae, Oxyopidae, Mimetidae, Nesticidae). Die Tierwelt Deutschlands 42: 1-150 pdf

WSC (2021) World Spider Catalog. Version 21.5. Natural History Museum Bern, online at http://wsc.nmbe.ch (03.01.2021) doi: 10.24436/2 pdf

Updates
02-03-2015 Distribution update Detail