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Theridiidae  Sundevall, 1833 / Theridion  Walckenaer, 1805   63 species

Theridion italiense  Wunderlich, 1995

WSC LSID urn:lsid:nmbe.ch:spidersp:008449

Key to genera | Key to species

Description
Male

Prosoma 1-1.1 mm long. Clypeus with a pair of tubercles.

Body length male: 2.5-3.1 mm
Female

Prosoma yellowish, with a blackish median band on cephalic part, and blackish margin. Prosoma 0.9-1.2 mm long. Sternum yellowish, blackish on the edges. Legs yellowish, with dark annulations. Opisthosoma whitish, dorsally with a dark dentate median band, ventrally with a large blackish blotch in front of spinnerets, and a pair of large blotches on the sides.

Body length female: 2.4-3.0 mm
Additional information

In limestone mountains, on shrubs in sunny areas or in crevices of rocks. Altitude 350-1000 m.

Distribution
  Presence
  No data
Distribution comment: France: https://biodiv-occitanie.fr//espece/234138
Global distribution (WSC 2025): France, Italy, Romania, North Macedonia, Greece, Cyprus
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
species

male Pedipalp, ventral view
(Wunderlich 1995n)

species

male Pedipalp, prolateral view
(Wunderlich 1995n)

species

male Pedipalp, ventral view
(Duma 2009)

species

male Median apophysis
(Duma 2009)

species

male Chelicera, lateral view
(Duma 2009)

species

female Epigyne, ventral view
(Duma 2009)

species

female Vulva, ventral view
(Duma 2009)

species

female Vulva, dorsal view
(Duma 2009)

species

female Chelicerae, frontal view
(Duma 2009)

species

female Habitus, dorsal view
(Duma 2009)

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.

Cyprus   (Bosmans et al., 2019c) ||| France   (no references) ||| France / Corsica   (Canard et al., 2024) ||| Greece   (Van Keer et al., 2010) ||| Italy   (Pantini & Isaia, 2019) ||| North Macedonia   (Komnenov, 2014) ||| Romania   (Duma, 2009) |||
References

Bosmans R, Van Keer J, Russell-Smith A, Hadjiconstantis M, Komnenov M, Bosselaers J, Huber S, McCowan D, Snazell R, Decae A, Zoumides C, Kielhorn K-H, Oger P (2019c) Spiders of Cyprus (Araneae). A catalogue of all currently known species from Cyprus. Newsletter of the Belgian Arachnological Society 34, Suppl. 1: 1-173 pdf

Canard A, Rollard C, Villepoux O, Ysnel F (2024) Catalogue raisonné des espèces d’araignées de Corse (arrêté en 2018). Revue arachnologique 2 h.s., spécial Corse : 2-117 pdf

Duma I (2009) New data on Theridion italiense, with description of the unknown female. Journal of Arachnology 37: 383-387 pdf

Komnenov M (2014) Spider fauna of the Osogovo Mt. Range, Northeastern Macedonia. Fauna Balkana 2: 1-267 pdf

Pantini P, Isaia M (2019) Araneae.it: the online catalog of Italian spiders, with addenda on other arachnid orders occurring in Italy (Arachnida: Araneae, Opiliones, Palpigradi, Pseudoscorpionida, Scorpiones, Solifugae). Fragmenta Entomologica 51: 127-152 pdf

Van Keer J, Van Keer K, De Koninck H, Ramel G (2010) The arachnofauna (Araneae) of wetland Kerkini (Macedonia-Northern Central Greece). Acta Zoologica Bulgarica 62: 141-160 pdf

WSC (2025) World Spider Catalog. Version 26. Natural History Museum Bern, online at http://wsc.nmbe.ch (28.2.2025) doi: 10.24436/2 pdf

Wunderlich J (1995n) Beschreibung von drei bisher unbekannten west-paläarktischen Arten der Gattung Theridion Walckenaer 1805 (Arachnida: Araneae: Theridiidae). Beiträge zur Araneologie 4: 691-695 pdf

Updates
30-10-2025 Distribution update Detail
08-05-2024 Distribution insert Detail
08-05-2024 Distribution update Detail
09-11-2022 Distribution update Detail
24-09-2015 Distribution update Detail
23-10-2014 Image insert