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 mmFemale
Prosoma 0.49 mm long. Characters as in male, but opisthosoma grey.
Body length female: 0.9 mmAdditional 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
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
 |  |
Figures
Pedipalp
(Thaler & Steinberger 1988)
Pedipalp
(Thaler & Steinberger 1988)
Pedipalp, ventral view
(Thaler & Knoflach 2000)
Pedipalp, ventral view
(Thaler & Steinberger 1988)
Prosoma, lateral view
(Thaler & Steinberger 1988)
Prosoma, dorsal view
(Breuss 2001)
Sternum
(Breuss 2001)
Chelicera, frontal view
(Thaler & Steinberger 1988)
Vulva
(Thaler & Knoflach 2000)
Prosoma, lateral view
(Thaler & Knoflach 2000)
Prosoma, dorsal view
(Thaler & Knoflach 2000)
Sternum
(Thaler & Knoflach 2000)
Distribution List
References
Bauchhenss E (1992) Epigäische Spinnen an unterfränkischen Muschelkalkstandorten. Abhandlungen des Naturwissenschaftlichen Vereins Würzburg 33: 51-73 
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
Breuss W (2001) Bemerkenswerte Spinnen aus Vorarlberg (Österreich) - I (Arachnida: Araneae: Lycosidae, Theridiidae, Mysmenidae, Gnaphosidae, Salticidae). Berichte des Naturwissenschaftlich-Medizinischen Vereins in Innsbruck 88: 183-193
Thaler K, Knoflach B (2000) Das Weibchen von Theonoe sola Thaler & Steinberger, 1988 (Arachnida: Araneae: Theridiidae). Berichte des Naturwissenschaftlich-Medizinischen Vereins in Innsbruck 87: 159-164
Thaler K, Steinberger K-H (1988) Zwei neue Zwerg-Kugelspinnen aus Österreich (Arachnida: Aranei, Theridiidae). Revue Suisse de Zoologie 95: 997-1004
WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.5.2026) doi: 10.24436/2