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Sticker of Missing sector orb-weaver
Bug card No. 0932 of 1,500

Missing sector orb-weaver

Zygiella x-notata
Name means: “marked with an x”
Eats: Other bugs and small animalsSpidersHouses and farms8 legsNot an insect, but a bug cousin

The missing sector orb-weaver builds a round web with one slice left empty, like a pizza with a piece missing. Through that empty slice runs a single thread to its hiding place. It loves window frames, walls and fences.

Fun fact: spiders are not insects. Insects have six legs, spiders have eight. Everyone calls them bugs anyway!
Lives in
Europe, and also New Zealand and some coasts of the Americas, around houses
Length
0.5 to 1.1 cm (0.2 to 0.43 in)
females; males are smaller
Top speed
about 1.3 km/h (0.81 mph)
On foot, estimate
What does it eat?
It catches flies and other small flying insects in its sticky round web.
For real!Photo of Missing sector orb-weaver
Picture by Alexis Lours. CC BY 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Missing sector orb-weaver about 1.1 cm long (0.43 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 grains of rice in a rowcould run across a dinner table in 2.8 secondsmoves 33 times its own body length every second

How big is Missing sector orb-weaver compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

When an insect gets stuck, the spider feels the signal thread shake and runs down it to grab its meal.

2

Up to 25 of these spiders can live on one square metre of wall, each in its own web.

3

Young spiders build a brand new web every single day.

4

Its belly shines silver because of tiny crystals under its skin.

5

It is often found on boats and docks too.

you asked

Most asked questions about Missing sector orb-weaver

?Why is there a gap in the spider web?

The missing sector orb-weaver leaves one slice of its web empty, with only a signal thread running through it.

?Where can I find a missing sector orb-weaver?

On window frames, walls, fences and bushes near houses.

For bug experts

Scientific name
Zygiella x-notata
Named by
Clerck, 1757
Group
Spiders
Family
Araneidae
Classification
Arachnida > Araneae > Araneidae
Lives on
Europe, Australia and Oceania, North America, South America, Africa
Also known as
Silver-sided sector spider

Where the facts come from

  1. Zygiella x-notata (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 Alexis Lours. CC BY 4.0, 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: Houses and farms