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Sticker of New Zealand nursery web spider
Bug card No. 2994 of 4,939

New Zealand nursery web spider

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

The New Zealand nursery web spider is a big, fast, pale brown or grey spider. Its colours match the stones it lives among. The mother builds a big white silk nursery at the tips of plants to keep her babies safe.

Fun fact: spiders are not insects. Insects have six legs, spiders have eight. Everyone calls them bugs anyway!
Lives in
All over New Zealand, from the coast up into the mountains
Length
1.8 cm (0.71 in)
Top speed
about 1.6 km/h (0.99 mph)
On foot, estimate
What does it eat?
It hunts at night, waiting at the water's edge and among stones to catch its prey.
For real!Photo of New Zealand nursery web spider
Picture by Bryce McQuillan. CC BY 2.0, via Wikimedia Commons.

How big is it?

How long is it?

New Zealand nursery web spider about 1.8 cm long (0.71 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 3 grains of rice in a rowcould run across a dinner table in 2.2 secondsmoves 25 times its own body length every second

How big is New Zealand nursery web spider compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

The mother carries her egg sac in her jaws for at least five weeks.

2

Its nursery web is not for catching food. It is a home for the babies, and can be 15 centimetres long or more.

3

The mother guards the nursery at night.

4

With its legs spread out, a grown-up female can be more than 6 centimetres across.

5

After about two weeks the babies leave the nest, probably by floating away on silk threads in the wind.

you asked

Most asked questions about New Zealand nursery web spider

?What are the big white webs on bushes in New Zealand?

They are nursery webs made by mother nursery web spiders to protect their babies.

For bug experts

Scientific name
Dolomedes minor
Group
Spiders
Family
Dolomedidae
Classification
Arachnida > Araneae > Dolomedidae
Lives on
Australia and Oceania
Also known as
Nursery web spider

Where the facts come from

  1. Dolomedes minor (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 Bryce McQuillan. CC BY 2.0, 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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