Resources:
Theridiidae  Sundevall, 1833 / Robertus  O. Pickard-Cambridge, 1879   18 species

Robertus insignis O. Pickard-Cambridge, 1908

Description
Male

Lateral bulbus apophysis broad and ending blunt. Prosoma brown, eye region almost black. Sternum brown. Chelicerae and legs dark brown. Opisthosoma grey, sometimes almost black

Body length male: 2.5 mm
Female

Prosoma length: 1.3-1.5 mm.

Body length female: 2.5 mm
Additional information

In very dump meadows.

Distribution
  Presence
  No data
Global distribution (WSC 2026): Europe
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
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.

Austria   (Milasowszky et al., 2015) ||| Belarus   (Ivanov, 2013) ||| Estonia   (Vilbaste, 1987) ||| France   (Le Peru, 2007) ||| Germany   (Blick et al., 2016) ||| Italy   (Isaia et al., 2025) ||| Latvia   (Cera, 2018) ||| Poland   (Rozwałka & Stanska, 2008) ||| Russia, Northern   (Osipov, 2019) ||| Russia, Western   (no references) ||| Sweden   (Kronestedt, 2001) ||| Switzerland   (Hänggi, 2003) ||| United Kingdom   (Lavery, 2019) |||
References

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

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

Hänggi A (2003) Nachträge zum "Katalog der schweizerischen Spinnen" - 3. Neunachweise von 1999 bis 2002 und Nachweise synanthroper Spinnen Arachnologische Mitteilungen 26: 36-54 pdf

Isaia M, Tolve M, Pantini P (2025) Araneae.it: 2.0: the new updated version of the digital catalog of the Italian spiders and other arachnids (Arachnida: Araneae, Opiliones, Scorpiones, Pseudoscorpiones, Palpigradi, Solifugae). Fragmenta Entomologica 57: 197-204 pdf

Ivanov V V (2013) The checklist of Belarusian spiders (Arachnida, Araneae). Zoology and Ecology 4: 293-311 pdf

Kronestedt T (2001) Checklist of Spiders (Araneae) in Sweden [Preliminary version February 2001] pdf

Lavery A (2019) A revised checklist of the spiders of Great Britain and Ireland. Arachnology 18: 196-212 pdf

Le Peru B (2007) Catalogue et répartition des araignées de France. Revue Arachnologique 16: 1-468 pdf

Merrett P, Snazell R G (1975) New and rare British spiders. Bulletin of the British Arachnological Society 3: 106-112 pdf

Milasowszky N, Bauchhenss E, Freudenschuss M, Hepner M, Komposch C, Zulka K P (2015) Erstnachweise von Spinnen in Österreich (Araneae: Gnaphosidae, Linyphiidae, Lycosidae, Philodromidae, Theridiidae, Titanoecidae, Salticidae). Biodiversität und Naturschutz in Ostösterreich ‐ BCBEA 1/2: 296-303 pdf

Osipov D V (2019) [Spiders (Aranei) of the Lapland Nature Reserve] Works of the Lapland State Nature Biosphere Reserve 7: 119-194 pdf

Roberts M J (1985a) The spiders of Great Britain and Ireland. Volume 1: Atypidae to Theridiosomatidae. Harley Books, Colchester, England, 229 pp. pdf

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 pdf

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 pdf

Wiehle H (1960b) Beiträge zur Kenntnis der deutschen Spinnenfauna. Zoologische Jahrbücher, Abteilung für Systematik, Geographie und Biologie der Tiere 88: 195-254 pdf

WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) 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
30-10-2025 Distribution insert Detail
30-10-2025 Distribution update Detail
29-10-2025 Distribution update Detail
19-01-2016 Distribution update Detail
24-06-2014 Image insert