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Sticker of Cape rainspider
Bug card No. 0789 of 4,939

Cape rainspider

Palystes castaneus
Eats: Other bugs and small animalsSpidersForests and woods8 legsNot an insect, but a bug cousin

The Cape rainspider is a big huntsman spider from South Africa. It does not spin a web to catch food. It hunts on plants, and it often walks into houses just before it starts to rain.

Fun fact: spiders are not insects. Insects have six legs, spiders have eight. Everyone calls them bugs anyway!
Lives in
South Africa, Mozambique and Zimbabwe, in forests and gardens
Length
1.7 to 2.2 cm (0.67 to 0.87 in)
Top speed
about 2.8 km/h (1.7 mph)
On foot, estimate
What does it eat?
It hunts insects on plants. Inside houses it sometimes even catches small geckos.
For real!Photo of Cape rainspider
Picture by Britfan97. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Cape rainspider about 2.2 cm long (0.87 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 4 grains of rice in a rowcould run across a dinner table in 1.3 secondsmoves 35 times its own body length every second

How big is Cape rainspider compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

It often comes indoors just before rain, which is how it got its name.

2

The mother makes a round egg sac as big as an orange, with twigs and leaves woven into the silk.

3

The baby spiders hatch inside the sac and chew their way out after about three weeks.

4

A big wasp hunts this spider and drags it away to feed its baby.

you asked

Most asked questions about Cape rainspider

?Why is it called a rain spider?

Because it often comes into houses just before it rains.

For bug experts

Scientific name
Palystes castaneus
Named by
Latreille, 1819
Group
Spiders
Family
Sparassidae
Classification
Arachnida > Araneae > Sparassidae
Lives on
Africa
Also known as
Rain spider, Lizard-eating spider

Where the facts come from

  1. Palystes castaneus (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 Britfan97. CC BY-SA 4.0, 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: Forests and woods

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