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Sticker of Invisible spider
Bug card No. 2366 of 4,939

Invisible spider

Drapetisca socialis
Name means: “it is so hard to see that it seems invisible”
Eats: Other bugs and small animalsSpidersForests and woods8 legsNot an insect, but a bug cousin

The invisible spider is a tiny spider that lives on tree trunks. Its body is only about 3 millimetres long. With its mottled body and stripy legs, it is very hard to spot.

Fun fact: spiders are not insects. Insects have six legs, spiders have eight. Everyone calls them bugs anyway!
Lives in
Europe and Asia, including Britain and northern Europe, on tree trunks
Length
3 mm (0.12 in)
Top speed
about 0.66 km/h (0.41 mph)
On foot, estimate
What does it eat?
It catches tiny insects on its web on tree trunks.
For real!Photo of Invisible spider
Picture by AfroBrazilian. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Invisible spider about 3 mm long (0.12 in)A grain of rice about 6 mm (0.24 in)
small enough to sit on your fingernailcould run across a dinner table in 5.5 secondsmoves 61 times its own body length every second

How big is Invisible spider compared to YOU?

Just maths in your browser. Nothing is saved or sent anywhere.

How fast is it?

cool stuff

Fun facts

1

Its web is made of silk so fine that you can only see it when light hits it at just the right angle.

2

It looks as if it is sitting on the bark, but really all eight legs are standing on its almost invisible web.

3

It usually sits very still on its web.

4

It belongs to a family of very small spiders, and even among them it is tiny.

you asked

Most asked questions about Invisible spider

?Is the invisible spider really invisible?

No, but it is very hard to see. It is tiny, its colours match the bark and its web is almost see-through.

For bug experts

Scientific name
Drapetisca socialis
Group
Spiders
Family
Linyphiidae
Classification
Arachnida > Araneae > Linyphiidae
Lives on
Europe, Asia

Where the facts come from

  1. Drapetisca socialis (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 AfroBrazilian. CC BY-SA 3.0, 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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