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

Robertus kuehnae  Bauchhenss & Uhlenhaut, 1993

Description

Bulbus laterally with apophysis. Epigyne inconspicuous, on a bulge of epigastric furrow. Entrance ducts approximately as long as diameter of receptacula seminis. Prosoma yellowish orange-brown, eyes relatively small. Sternum yellowish brown. Chelicerae yellowish brown. Opisthosoma grey.

Body length male: 1.5-1.7 mm
Body length female: 1.5-1.7 mm
Additional information

Lives probably in stone crevices and mammal dens in dry and warm meadows

Frequency: rarely found as yet

Distribution
  Presence
  No data
Global distribution (WSC 2024): Belgium, Switzerland, Germany, Austria
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   (no references) ||| Belgium   (Bosmans & Van Keer, 2017) ||| Germany   (no references) ||| Switzerland   (no references) |||
References

Bauchhenss E, Uhlenhaut H (1993) Robertus kuehnae n.sp., eine neue Kleintheridiide aus Mitteleuropa (Arachnida, Araneae, Theridiidae). Entomologische Nachrichten und Berichte 37: 25-28 pdf

Bosmans R, Van Keer K (2017) Een herziene soortenlijst van de Belgische spinnen (Araneae). Nieuwsbrief van de Belgische Arachnologische Vereniging 32: 39-69 pdf

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

WSC (2024) World Spider Catalog. Version 25.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (22.01.2024) doi: 10.24436/2 pdf

Wunderlich J (1973b) Zur Spinnenfauna Deutschlands, XV. Weitere seltene und bisher unbekannte Arten sowie Anmerkungen zur Taxonomie und Synonymie (Arachnida: Araneae). Senckenbergiana Biologica 54: 405-428 pdf

Updates
18-12-2014 Image insert