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Sticker of Giant house spider
Bug card No. 1863 of 4,939

Giant house spider

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

The giant house spider is a big, long-legged brown spider that often lives in and around houses. It builds a flat sheet web with a tunnel at the back, where it waits hidden. When something lands on the web, it rushes out.

Fun fact: spiders are not insects. Insects have six legs, spiders have eight. Everyone calls them bugs anyway!
Lives in
From Europe, also in western Canada and the northwestern USA, often in houses and sheds
Top speed
about 1.2 km/h (0.75 mph)
On foot, estimate
What does it eat?
It catches insects and other small creatures that walk onto its web.
For real!Photo of Giant house spider
Picture by John Blackwall. Public domain, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

It is a funnel weaver, which means its web has a funnel-shaped tunnel to hide in.

2

Until 2018 scientists thought it was the same species as two other giant house spiders. Then they noticed small differences.

3

It came from Europe and now also lives in British Columbia, Washington and Oregon.

you asked

Most asked questions about Giant house spider

?Why do giant house spiders come into houses?

Houses have lots of quiet corners for their webs and plenty of insects to eat.

For bug experts

Scientific name
Eratigena duellica
Group
Spiders
Family
Agelenidae
Classification
Arachnida > Araneae > Agelenidae
Lives on
Europe, North America

Where the facts come from

  1. Eratigena duellica (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 John Blackwall. Public domain, Wikimedia Commons. The sticker of this bug is drawn from this 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.

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More from the same group: Spiders

Also at home here: Houses and farms

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