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Theridiidae  Sundevall, 1833 / Theonoe  Simon, 1881   3 species

Theonoe sola  Thaler & Steinberger, 1988

WSC LSID urn:lsid:nmbe.ch:spidersp:008183

Key to genera | Key to species

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 2024): Germany, Austria
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Males in winter, spring and summer
Figures
species

male Pedipalp
(Thaler & Steinberger 1988)

species

male Pedipalp
(Thaler & Steinberger 1988)

species

male Pedipalp, ventral view
(Thaler & Knoflach 2000)

species

male Pedipalp, ventral view
(Thaler & Steinberger 1988)

species

male Prosoma, lateral view
(Thaler & Steinberger 1988)

species

male Prosoma, dorsal view
(Breuss 2001)

species

male Sternum
(Breuss 2001)

species

male Chelicera, frontal view
(Thaler & Steinberger 1988)

species

female Vulva
(Thaler & Knoflach 2000)

species

female Prosoma, lateral view
(Thaler & Knoflach 2000)

species

female Prosoma, dorsal view
(Thaler & Knoflach 2000)

species

female Sternum
(Thaler & Knoflach 2000)

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   (Thaler & Steinberger, 1988; Thaler & Knoflach, 2000; Breuss, 2001) ||| Germany   (Bauchhenss, 1992; Blick et al., 2016) |||
References

Bauchhenss E (1992) Epigäische Spinnen an unterfränkischen Muschelkalkstandorten. Abhandlungen des Naturwissenschaftlichen Vereins Würzburg 33: 51-73 pdf

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

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 pdf

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 pdf

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

WSC (2024) World Spider Catalog. Version 25.5. Natural History Museum Bern, online at http://wsc.nmbe.ch (31.10.2024) doi: 10.24436/2 pdf

Updates
06-02-2023 Distribution update Detail
27-10-2015 Datasheet update Detail