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Sticker of Noble false widow
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Noble false widow

Steatoda nobilis
Eats: Other bugs and small animalsSpidersHouses and farms8 legsNot an insect, but a bug cousin

The noble false widow is a shiny brown spider with a round body and reddish-orange legs. On its back it has cream-coloured markings that some people say look like a little skull. It looks a bit like a black widow, but it is a different spider.

Fun fact: spiders are not insects. Insects have six legs, spiders have eight. Everyone calls them bugs anyway!
Lives in
First from Madeira and the Canary Islands, now in Europe, North Africa, the Americas and New Zealand
Length
0.7 to 1.4 cm (0.28 to 0.55 in)
females 9.5 to 14, males 7 to 11
Top speed
about 1.4 km/h (0.87 mph)
On foot, estimate
Can it hurt you?
Can bite or sting
What does it eat?
It catches insects and other small creatures, and sometimes even tiny lizards, by quickly wrapping them in silk with its back legs.
For real!Photo of Noble false widow
Picture by Alexis Lours. CC BY 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Noble false widow about 1.4 cm long (0.55 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)
as long as 2.5 grains of rice in a rowcould run across a dinner table in 2.6 secondsmoves 28 times its own body length every second

How big is Noble false widow compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

It is one of the fastest spreading spiders in the world.

2

It can be found all year round, both indoors and outdoors.

3

It likes seaside towns with mild weather.

4

Even spiders from the same egg sac can look very different from each other.

5

It was first seen in England in 1879.

you asked

Most asked questions about Noble false widow

?How do you recognise a noble false widow?

It is shiny brown with a round body, reddish-orange legs and cream markings on its back.

?How big is a noble false widow?

Females are about 9.5 to 14 millimetres long, males 7 to 11 millimetres.

For bug experts

Scientific name
Steatoda nobilis
Group
Spiders
Family
Theridiidae
Classification
Arachnida > Araneae > Theridiidae
Lives on
Europe, Africa, North America, South America, Australia and Oceania
Also known as
False widow

Where the facts come from

  1. Steatoda nobilis (Wikipedia, CC BY-SA 4.0): what it looks like, where it lives, what it eats, sizes and fun facts, retold in simple words.
  2. Picture by Alexis Lours. CC BY 4.0, Wikimedia Commons. The round sticker of this bug is cut from the same picture.

If we got something wrong, sorry, we are bug fans, not a science journal. Tell us at [email protected] and we will fix it.

More from the same group: Spiders

Also at home here: Houses and farms