Robertus lividus (Blackwall, 1836)
Description
Tips of bulbal apophysis ± of same size and parallel. Prosoma yellowish red-brown. Sternum yellowish red-brown. Chelicerae yellowish red-brown. Femur and patella light yellowish. Tibia red-brown. Metatarsus and tarsus red-brown. Opisthosoma yellowish grey to almost black.
Body length male: 2.5-4 mmBody length female: 2.5-4.5 mm
Additional information
In moss and fallen leaves of forests
Frequency: Frequent, widely distributed
Distribution
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
 |  |
Figures
Pedipalp
(Knoflach 1992)
Pedipalp
(Miller 1967)
Pedipalp, ventral view
(Knoflach 1992)
Pedipalp
(Knoflach 1992)
Pedipalp
(Roberts 1995)
Pedipalp
(Wiehle 1937)
Pedipalp
(Locket & Millidge 1953)
Pedipalp, retrolateral view
(Løvbrekke unpubl.)
Pedipalp, dorsal view
(Løvbrekke unpubl.)
Embolus
(Knoflach 1992)
Conductor
(Knoflach 1992)
Conductor
(Knoflach 1992)
Conductor
(Knoflach 1992)
Palpal claw
(Wunderlich 1976)
Epigyne
(Roberts 1995)
Epigyne
(Wiehle 1937)
Epigyne
(Locket & Millidge 1953)
Epigyne
(Løvbrekke unpubl.)
Vulva, ventral view
(Knoflach 1992)
Vulva, ventral view
(Knoflach 1992)
Vulva, ventral view
(Knoflach 1992)
Vulva, dorsal view
(Knoflach 1992)
Vulva
(Miller 1967)
Vulva
(Wiehle 1937)
Vulva
(Løvbrekke unpubl.)
Prosoma, dorsal view
(Løvbrekke unpubl.)
Sternum
(Locket & Millidge 1953)
Distribution List
References
Aakra K, Hauge E (2003) Checklist of Norwegian spiders (Arachnida: Araneae), including Svalbard and Jan Mayen. Norwegian Journal of Entomology 50: 109-129 
Barrientos J A, Febrer J B (1986) Arañas de Menorca. I. Agelenidae (Araneae). Descripción del macho de Malthonica balearica Brignoli, 1978. Orsis 2: 121-129
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)
Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). Zootaxa 4614: 201-254
Cera I (2018) The checklist of Latvian spiders (Arachnida: Araneae). Environmental and Experimental Biology 16: 139-152
Ivanov V V (2013) The checklist of Belarusian spiders (Arachnida, Araneae). Zoology and Ecology 4: 293-311
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
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
Kostanjšek R, Kuntner M (2015) Araneae Sloveniae: a national spider species checklist. ZooKeys 474: 1-91
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
Kronestedt T (2001) Checklist of Spiders (Araneae) in Sweden [Preliminary version February 2001]
Lissner J, Jensen J-K, Hansen L J, Simonsen W, Kelduni R, Nissen K (2016b) An updated checklist of spiders (Araneae) of the Faroe Islands. Norwegian Journal of Entomology 63: 197-240
Locket G H, Millidge A F (1953) British spiders. Vol. II. Ray Society, London, 449 pp.
Løvbrekke H (unpubl.)
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
Otto S (2020) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 03.2020. 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). Fragmenta Entomologica 51: 127-152
Polchaninova N, Prokopenko E (2019) An updated checklist of spiders (Arachnida: Araneae) of Left-Bank Ukraine. Arachnologische Mitteilungen 57: 60-64 & App
Roberts M J (1995) Collins Field Guide: Spiders of Britain & Northern Europe. HarperCollins, London, 383 pp.
Samu F, Szinetár C (1999) Bibliographic check list of the Hungarian spider fauna. Bulletin of the British Arachnological Society 11: 161-184
Wiehle H (1937) Spinnentiere oder Arachnoidea, VIII. 26: Familie Theridiidae oder Haubennetzspinnen (Kugelspinnen). Die Tierwelt Deutschlands 33: 119-222
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
Wunderlich J (1976) Zur Kenntnis der mitteleuropäischen Arten der Gattung Enoplognatha Pavesi und Robertus O. Pick. Cambridge Senckenbergiana Biologica 57: 97-112