Theridiidae  Sundevall, 1833 / Robertus  O. Pickard-Cambridge, 1879   19 species

Robertus truncorum  (L. Koch, 1872)

Description

Epigynal groove ± square or round, distant from epigastric furrow. Prosoma yellowish red-brown. Sternum yellowish red-brown. Chelicerae yellowish red-brown. Opisthosoma yellowish grey to almost black.

Body length male: 2.5-4 mm
Body length female: 2.5-4 mm
Additional information

Near the ground in mountainous forests, in subalpine region.

Frequency: Rarely found, widely distributed

Distribution
  Presence
  No data
Global distribution (WSC 2021): France to Ukraine
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Adults of both sexes probably all the year.
Figures
Distribution List
Austria   (no references) ||| Czechia   (no references) ||| France   (no references) ||| Germany   (no references) ||| Italy   (Pantini & Isaia, 2019) ||| Liechtenstein   (no references) ||| Poland   (no references) ||| Romania   (no references) ||| Slovakia   (no references) ||| Slovenia   (Kostanjšek & Kuntner, 2015) ||| Switzerland   (no references) ||| Ukraine   (no references) |||
References

Knoflach B (1992) Neue Robertus-Funde in den Alpen: R. mediterraneus Eskoiv und Robertus sp.. Berichte des Naturwissenschaftlich-Medizinischen Vereins in Innsbruck 79: 161-171 pdf

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

Le Peru B (2011) The spiders of Europe, a synthesis of data: Volume 1 Atypidae to Theridiidae. Mémoires de la Société Linnéenne de Lyon 2: 1-522 pdf

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

Miller F (1967) Studien über die Kopulationsorgane der Spinnengattung Zelotes, Micaria, Robertus und Dipoena nebst Beschreibung einiger neuen oder unvollkommen bekannten Spinnenarten. Přírodovědné práce ústavů Československé Akademie Věd v Brně (N.S.) 1: 251-298 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). Fragmenta Entomologica 51: 127-152 pdf

Wiehle H (1937) Spinnentiere oder Arachnoidea, VIII. 26: Familie Theridiidae oder Haubennetzspinnen (Kugelspinnen). Die Tierwelt Deutschlands 33: 119-222 pdf

WSC (2021) World Spider Catalog. Version 22.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (29.05.2021) doi: 10.24436/2 pdf

Wunderlich J (1976) Zur Kenntnis der mitteleuropäischen Arten der Gattung Enoplognatha Pavesi und Robertus O. Pick. Cambridge Senckenbergiana Biologica 57: 97-112 pdf

Updates
04-03-2016 Distribution update Detail
18-12-2014 Image insert