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Sticker of Marbled cellar spider
Bug card No. 2749 of 4,939

Marbled cellar spider

Holocnemus pluchei
Eats: Other bugs and small animalsSpidersHouses and farms8 legsNot an insect, but a bug cousin

The marbled cellar spider is a small spider with very long, thin legs ringed with black and white at the joints. It is a kind of daddy long-legs spider. It lives in basements, attics and under the edges of roofs, often sharing webs with other spiders of its kind.

Fun fact: spiders are not insects. Insects have six legs, spiders have eight. Everyone calls them bugs anyway!
Lives in
From the Mediterranean, now also the western USA and southern Western Australia, often in buildings
Length
5 to 7.5 mm (0.2 to 0.3 in)
Top speed
about 1 km/h (0.62 mph)
On foot, estimate
What does it eat?
It catches insects such as fruit flies, houseflies and damselflies in its web.
For real!Photo of Marbled cellar spider
Picture by Sesamehoneytart. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Marbled cellar spider about 7.5 mm long (0.3 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)
small enough to sit on your fingernailcould run across a dinner table in 3.6 secondsmoves 37 times its own body length every second

How big is Marbled cellar spider compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Both males and females can make sounds by rubbing parts of their mouths together. In most spiders only males do this.

2

Many of them live together in groups and move to new webs several times in their lives.

3

Mothers with eggs build a round dome web that wraps all around them.

4

When a group catches food, the biggest spider usually wins it.

you asked

Most asked questions about Marbled cellar spider

?Where does the marbled cellar spider live?

In basements, attics, eaves of houses, under rocks and in caves.

For bug experts

Scientific name
Holocnemus pluchei
Group
Spiders
Family
Pholcidae
Classification
Arachnida > Araneae > Pholcidae
Lives on
Europe, Africa, North America, Australia and Oceania

Where the facts come from

  1. Holocnemus pluchei (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 Sesamehoneytart. 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: Houses and farms

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