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Sticker of Ladybird spider
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Ladybird spider

Eresus sandaliatus
Eats: Other bugs and small animalsSpidersGardens and meadows8 legsNot an insect, but a bug cousin

The ladybird spider gets its name from the boy spider, who is bright orange with big black spots, just like a ladybird. The girl spider looks completely different: she is bigger and shiny jet black. It is rare and protected in many countries.

Fun fact: spiders are not insects. Insects have six legs, spiders have eight. Everyone calls them bugs anyway!
Lives in
Northern and central Europe
Length
0.6 to 1.6 cm (0.24 to 0.63 in)
females are bigger than males
Top speed
about 1.5 km/h (0.93 mph)
On foot, estimate
What does it eat?
It catches insects that wander near its web.
For real!Photo of Ladybird spider
Picture by Jørgen Lissner. CC BY 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Ladybird spider about 1.6 cm long (0.63 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)A crayon about 9 cm (3.5 in)
as long as 2.5 grains of rice in a rowcould run across a dinner table in 2.4 secondsmoves 26 times its own body length every second

How big is Ladybird spider compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

A boy becomes grown up in September, but he waits all winter in his web and only goes looking for a girl in May or June.

2

A mother lays 35 to 80 eggs and feeds her babies with a liquid from her mouth.

3

The mother gives everything for her babies and stays with them until the end of her life.

4

In 1993 only about 50 ladybird spiders were left in Britain, but thanks to people helping them there were over 600 by 2000.

5

The young spiders leave their mum's web the next spring and build their own webs close by.

you asked

Most asked questions about Ladybird spider

?Why is it called a ladybird spider?

Because the boy is bright orange with black spots, like a ladybird.

?Is the ladybird spider rare?

Yes. It is endangered in Britain and rare in several other European countries.

For bug experts

Scientific name
Eresus sandaliatus
Group
Spiders
Family
Eresidae
Classification
Arachnida > Araneae > Eresidae
Lives on
Europe

Where the facts come from

  1. Eresus sandaliatus (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 Jørgen Lissner. CC BY 3.0, 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 hello@bugwiki.app and we will fix it.

More from the same group: Spiders

Also at home here: Gardens and meadows