Robertus ungulatus Vogelsanger, 1944
Description
Male
Cymbium distally with 2 robust denticles. Prosoma yellow-brown, shiny, darker margin only vague. Sternum dark brown. Chelicerae yellow-brown, robust. Legs brown, unicoloured, short and robust. Opisthosoma yellowish grey to almost black.
Body length male: 2.0-2.5 mmFemale
Epigyne with flat, strongly sclerotised groove. Vulva with very short entrance ducts.
Body length female: 2.0-2.5 mmAdditional information
In sunny, but very damp localities under stones and leaves
Distribution
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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Figures
Pedipalp
(Miller 1967)
Pedipalp, ventral view
(Wunderlich 1976)
Pedipalp
(Miller 1967)
Pedipalp, retrolateral view
(Wunderlich 1976)
Pedipalp, dorsal view
(Løvbrekke unpubl.)
Pedipalp, retrolateral view
(Løvbrekke unpubl.)
Pedipalp, ventro-retrolateral view
(Aadland unpubl.)
Palpal claw
(Wunderlich 1976)
Epigyne
(Miller 1967)
Epigyne, ventral view
(Wunderlich 1976)
Epigyne
(Løvbrekke unpubl.)
Epigyne
(Aadland unpubl.)
Vulva
(Miller 1967)
Vulva, dorsal view
(Løvbrekke unpubl.)
Vulva, ventral view
(Løvbrekke unpubl.)
Opisthosoma, ventral view
(Løvbrekke unpubl.)
Prosoma, dorsal view
(Miller 1967)
Distribution List
"No references" does not mean that the species does not occur in this country, but that we have not yet inserted the reference for it. We are working on it.
References
Aadland B (unpubl.) .
Biteniekytė M, Rėlys V (2012) The checklist of Lithuanian spiders (Arachnida: Araneae). Biologija 57: 148-158 
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
Farlund M (2019) Norwegian Spiders - Norske edderkopper. Siste oppdatering for funn av nye arter 10. oktober, 2019. Online at http://crocea.wordpress.com/norsk-artsliste/
Gajdoš P, Svatoň J, Sloboda J (1999) Katalóg pavúkov Slovenska. Catalogue of Slovakian spiders. Ústav kr. ekol. SAV, Bratislava, 337 pp.
Glime J M, Lissner 2013 (2013) Chapter 7-5. Arthropods: spiders of peatlands in Denmark and tundra. In: Glime J M (ed.) Bryophyte Ecology. Volume 2. Bryological Interaction. 26 pp.
https://digitalcommons.mtu.edu/bryophyte-ecology2/7/
Knoflach B, Thaler K (1998) Kugelspinnen und verwandte Familien von Österreich: ökofaunistische Übersicht (Araneae: Theridiidae, Anapidae, Mysmenidae, Nesticidae). Stapfia 667-712
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
Løvbrekke H (unpubl.)
Maurer R, Hänggi A (1990) Katalog der schweizerischen Spinnen. Documenta Faunistica Helvetiae 12
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
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
Rozwałka R, Stanska M (2008) Check-list of spiders (Araneae) of Poland. 1. December 2008. online at http://www.arachnologia.edu.pl/en/species/8-spiders-of-poland.html
Růžička V, Řezáč M (2022a) Seznam pavouků České republiky. List of spiders of the Czech Republic. Online at https://www.arachnology.cz/seznam-pavouku-cr-26.html and https://www.arachnology.cz/en/seznam-pavouku-cr-26.html
Schikora H-B (1997) Wachsende Regenmoorflächen im Zehlaubruch (Kaliningrad-Region): Extremlebensraum für epigäische Spinnen (Arachnida: Araneae)? Verhandlungen der Gesellschaft für Ökologie 27: 447-452
Vilbaste A (1987) Eesti Ämblikud (Aranei). Annoteeritud nimestik. Estonian spiders (Aranei). An annotated check list. Valgus, Tallinn. 113 pp. & 512 maps on 67 unpag. pages
WSC (2025) World Spider Catalog. Version 26. Natural History Museum Bern, online at http://wsc.nmbe.ch (28.2.2025) 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