CreatureData

Noble false widow

Steatoda nobilis (Thorell, 1875)

Status not recordedspiders

The noble false widow (Steatoda nobilis) is a species in the family Theridiidae, order Araneae. Recorded adults reach 8.91 mm in length.

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Quick facts about the noble false widow

Weight
Not recorded
Length
8.91 mm
Lifespan
Not recorded
Main food
Not recorded
Habitat
Not recorded
Young per litter or clutch
Not recorded
Active
At night (nocturnal)
Conservation status
Not recorded
Countries on record
Not recorded

How big is the noble false widow?

NOBLE FALSE WIDOW · LENGTH 8.91 MMADULT HUMAN · HEIGHT 1.7 M
At 8.91 mm, the recorded maximum length of the noble false widow is about 0.5% of the height of an adult human (1.7 m, a fixed reference used for scale).

Where does the noble false widow live?

Not recorded

Where has it been introduced?

The Global Register of Introduced and Invasive Species lists the noble false widow as introduced in 4 countries, and flagged as invasive in 1 of them.

  1. Italyinvasive
  2. Belgium
  3. United Kingdom
  4. United States

Introduced means brought by people and now present; invasive means the country's checklist records an impact. A species can be native to one part of a country and introduced in another. Source: Global Register of Introduced and Invasive Species (CC BY 4.0).

Is the noble false widow endangered?

No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.

How is the noble false widow classified?

  1. kingdomAnimalia
  2. phylumArthropoda
  3. classArachnida
  4. orderAraneae
  5. familyTheridiidae
  6. genusSteatoda
  7. SpeciesSteatoda nobilis (Thorell, 1875)

Synonyms Lithyphantes nobilis

Other names and names in other languages (14)
  • snovačka ostrovníCzech
  • Den falske enkeDanish
  • Noble FettspinneGerman
  • Falsa viuda negra mordedoraSpanish
  • Stéatode nobleFrench
  • bhaintreach bhréagach uasalIrish
  • Falsa vedovaItalian
  • Pouaru tahuperaMāori
  • ReuzensteatodaDutch
  • Falsa-viúvaPortuguese
  • Стеатода благороднаяRussian
  • Nobel FedtedderkopDanish
  • Fausse veuve noireFrench
  • Viúva-de-patas-vermelhasPortuguese

Catalogue of Life

Relatives of the noble false widow

Other species in the same genus Steatoda.

CompareNoble false widow vs Cupboard spiderNoble false widow vs Common false-widowNoble false widow vs Triangulate CombfootNoble false widow vs Mediterranean false black widow

Common questions

Answered only where our data holds the answer.

How big is the noble false widow?

An adult noble false widow measures 8.91 mm long, according to values recorded on Wikidata.

Is the noble false widow an invasive species?

In some places. The Global Register of Introduced and Invasive Species flags the noble false widow as invasive in 1 country: Italy. It lists it as introduced in 4 in all.

What kind of animal is the noble false widow?

The noble false widow (Steatoda nobilis) belongs to the family Theridiidae in the order Araneae.

Sources and how to cite this page

Data as of 2026-11-14. How this page is put together.

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APA

CreatureData. (2026). Noble false widow (Steatoda nobilis). Retrieved from https://creaturedata.com/animals/noble-false-widow

MLA

“Noble false widow (Steatoda nobilis).” CreatureData, 2026, https://creaturedata.com/animals/noble-false-widow.

BibTeX
@misc{noble_false_widow_2026,
  title = {Noble false widow (Steatoda nobilis)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/noble-false-widow},
  note = {Data as of 2026-11-14}
}