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Sticker of Marbled orb-weaver
Bug card No. 0880 of 1,500

Marbled orb-weaver

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

The marbled orb-weaver is a spider with a big round tummy that is often orange with dark swirly marks, like marble. Because of that orange belly, some people call it the pumpkin spider. It spins round webs in trees, bushes and tall grass.

Fun fact: spiders are not insects. Insects have six legs, spiders have eight. Everyone calls them bugs anyway!
Lives in
North America, Europe and Asia as far as Japan, in damp woods and along streams
Length
0.7 to 1.4 cm (0.28 to 0.55 in)
females are bigger than males
Top speed
about 1.4 km/h (0.87 mph)
On foot, estimate
What does it eat?
It catches flying insects in its round web.
For real!Photo of Marbled orb-weaver
Picture by PiccoloNamek. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Marbled orb-weaver 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 Marbled orb-weaver compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

A special signal thread runs from the middle of the web to its hiding place, so it feels when something is caught.

2

It hides beside its web in a little tent made of folded leaves and silk.

3

In October the mother wraps several hundred eggs in a white silk ball. The babies come out in spring.

4

Grown-ups can be seen from midsummer until the first hard frost in autumn.

5

In Europe many of them are pale with just one dark mark at the back, instead of being bright orange.

you asked

Most asked questions about Marbled orb-weaver

?Why is it called a pumpkin spider?

Because the female's big round orange belly looks like a little pumpkin.

?How big is the marbled orb-weaver?

Females are up to about 14 millimetres long. Males are about half that size.

For bug experts

Scientific name
Araneus marmoreus
Named by
Clerck, 1757
Group
Spiders
Family
Araneidae
Classification
Arachnida > Araneae > Araneidae
Lives on
North America, Europe, Asia
Also known as
Pumpkin spider, Marbled orbweaver

Where the facts come from

  1. Araneus marmoreus (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 PiccoloNamek. CC BY-SA 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 [email protected] and we will fix it.

More from the same group: Spiders

Also at home here: Forests and woods