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Theridiidae  Sundevall, 1833 / Theridion  Walckenaer, 1805   63 species

Theridion innocuum Thorell, 1875

WSC LSID urn:lsid:nmbe.ch:spidersp:008440

Key to genera | Key to species

Description
Male

Prosoma 1.2 mm long. Legs yellowish, with annulations.

Body length male: 2.7 mm
Female

Prosoma yellowish, darker on margins, and with a longitudinal median dark stripe. Sternum blackish, lighter in the middle. Opisthosoma whitish, reticulated with yellowish.

Body length female: 4.0 mm
Distribution
  Presence
  No data
Global distribution (WSC 2026): Ukraine, Russia (Europe to South Siberia), Iran, Kazakhstan, China
Figures
species

male Pedipalp
(Azheganova 1968)

species

male Pedipalp, prolateral view
(Zamani et al. 2021)

species

male Pedipalp, retrolateral view
(Zamani et al. 2021)

species

male Pedipalp, ventral view
(Zamani et al. 2021)

species

female Epigyne/vulva
(Azheganova 1968)

species

female Epigyne
(Zamani et al. 2021)

species

female Vulva, dorsal view
(Zamani et al. 2021)

species

female Vulva, dorsal view
(Zamani et al. 2021)

species

female Vulva, ventral view
(Zamani et al. 2021)

species

female Vulva, dorsal view
(Zhong et al. 2022)

species

female Vulva, ventral view
(Zhong et al. 2022)

Distribution List
Russia, Central   (Ponomarev, 2022) ||| Russia, Eastern   (Esyunin & Efimik, 1996a) ||| Russia, Southern   (Ponomarev, 2022) ||| Ukraine   (Polchaninova & Prokopenko, 2019) |||
References

Azheganova N S (1968) Kratkii opredelitel' paukov (Aranei) lesnoi i lesostepnoi zony SSSR. Akademia Nauk SSSR, 149pp. pdf

Esyunin S L, Efimik V E (1996a) Catalogue of the spiders (Arachnida, Aranei) of the Urals. KMK Scientific Press, Moscow, 228 pp. pdf

Mikhailov K G (2013) The spiders (Arachnida: Aranei) of Russia and adjacent countries: a non-annotated checklist. Arthropoda Selecta, Supplement 3: 1-262 pdf

Polchaninova N, Prokopenko E (2019) An updated checklist of spiders (Arachnida: Araneae) of Left-Bank Ukraine. Arachnologische Mitteilungen 57: 60-64 & App pdf

Ponomarev A V (2022) Spiders (Arachnida: Araneae) of the southeast of the Russian Plain: catalogue, the fauna specific features. SSC RAS Publishers, Rostov-on-Don, 640 pp. pdf

WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.5.2026) doi: 10.24436/2 pdf

Zamani A, Nadolny A A, Esyunin S L, Marusik Y M (2021) New data on the spider fauna of Iran (Arachnida: Araneae), part VIII. Zoosystematica Rossica 30: 279-297 pdf

Zhong R, Liu J, Zhu Y (2022) Two new synonyms in the subfamily Theridiinae (Araneae, Theridiidae). ZooKeys 1120: 95-104 pdf

Updates
24-10-2025 Distribution update Detail
06-09-2022 Image insert
05-12-2021 Image insert
11-11-2015 Image insert