Resources:
Theridiidae  Sundevall, 1833 / Theonoe  Simon, 1881   4 species

Theonoe sola  Thaler & Steinberger, 1988

Description
Male

Prosoma yellow-brownish, 0.44-0.48 mm long. Sternum pointed posteriorly. Eyes: AME smaller than the rest, lateral eyes contiguous, PME 2 diameters apart, median ocular quadrangle much wider behind than in front. Chelicerae with 3 teeth on anterior margin. Legs yellowish. Opisthosoma whitish.

Body length male: 0.9 mm
Female

Prosoma 0.49 mm long. Characters as in male, but opisthosoma grey.

Body length female: 0.9 mm
Additional information

Only single records in xerothermic block fields as yet in Austria, where the specimens live in the cleavage system and in pine forest. A single record from Germany in the scree of a limestone quarry (xerothermic biotop) (Bauchhenss, 1992). Altitude 280-1200 m.

Distribution
  Presence
  No data
Global distribution (WSC 2019): Germany, Austria
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Males in winter, spring and summer.
Figures
References

Bauchhenss E (1992) Epigäische Spinnen an unterfränkischen Muschelkalkstandorten. Abh Naturwiss Ver Würzburg 33: 51-73

Breuss W (2001) Bemerkenswerte Spinnen aus Vorarlberg (Österreich) - I (Arachnida: Araneae: Lycosidae, Theridiidae, Mysmenidae, Gnaphosidae, Salticidae). Ber Nat - Med Ver Innsbruck 88: 183-193

Helsdingen P J van (2010a) Araneae. In: Fauna Europaea Database (Version 2010.1), online at www.european-arachnology.org

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

Thaler K, Knoflach B (2000) Das Weibchen von Theonoe sola Thaler & Steinberger, 1988 (Arachnida: Araneae: Theridiidae). Ber Nat - Med Ver Innsbruck 87: 159-164

Thaler K, Steinberger K-H (1988) Zwei neue Zwerg-Kugelspinnen aus Österreich (Arachnida: Aranei, Theridiidae). Rev Suisse Zool 95: 997-1004

World Spider Catalog (2019) World Spider Catalog, version 20.5. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.09.2019) doi: 10.24436/2

Updates
27-10-2015 Datasheet update Old value