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#4195 · 🕷️ spiders & kin

False Black Widow

🇳🇱 Grote steatoda ·Steatoda grossa

🕷️ Spiders & kin 📍 in the Netherlands
False Black Widow, photo 1 of 10
1/10 © Mike Lusk · CC BY-NC 4.0

what is it?

Steatoda grossa , commonly known as the cupboard spider , the dark comb-footed spider , the brown house spider (in Australia), or the false black widow (though several other species are known by these names), is a common species of spider in the genus Steatoda .

base stats

  • NL sightings 521iNaturalist, research grade
  • worldwide 39,650iNaturalist observations

Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).

fun facts

  • Spotted 521 times in the Netherlands on iNaturalist: the #10 most seen of the spiders & kin in NL.
  • 39,650 observations worldwide on iNaturalist.
  • Scientifically named by Carl Ludwig Koch in 1838 (188 years ago).

fact sheet

English
False Black Widow
Nederlands
Grote steatoda
scientific name
Steatoda grossa
class
Arachnida
order
Araneae
family
Theridiidae
sightings in NL
521
sightings in Europe
9,501
sightings worldwide
39,650
GBIF records in NL
21,335
weight
—
length
—
lifespan
—
named
1838 by Carl Ludwig Koch

relatives· Theridiidae

Sources: iNaturalist taxon 61997, Wikidata Q311833, GBIF 2157245, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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