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Sticker of Harvestman cellar spider
Bug card No. 2191 of 4,939

Harvestman cellar spider

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

The harvestman cellar spider is a small spider with very long, thin legs. With those legs it looks a lot like a harvestman. But look closely: its body has two parts, so it is a real spider.

Fun fact: spiders are not insects. Insects have six legs, spiders have eight. Everyone calls them bugs anyway!
Lives in
Europe, Egypt and the Caucasus, in and around buildings and among rocks
Length
3 to 5 mm (0.12 to 0.2 in)
Top speed
about 0.85 km/h (0.53 mph)
On foot, estimate
What does it eat?
It catches small insects and other little creatures in its loose, messy web.
For real!Photo of Harvestman cellar spider
Picture by Ivo Antušek. Public domain, via Wikimedia Commons.

How big is it?

How long is it?

Harvestman cellar spider about 5 mm long (0.2 in)A grain of rice about 6 mm (0.24 in)
small enough to sit on your fingernailcould run across a dinner table in 4.2 secondsmoves 47 times its own body length every second

How big is Harvestman cellar spider compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Its body is only 3 to 5 millimetres long, but its legs are much longer.

2

Its front body part is round and light brown, with a darker stripe down the middle.

3

It is easy to mix up with its bigger cousin, the long-bodied cellar spider that often lives in houses.

you asked

Most asked questions about Harvestman cellar spider

?Is the harvestman cellar spider a harvestman?

No. It only looks like one. Its body has two parts, like all spiders.

For bug experts

Scientific name
Pholcus opilionoides
Group
Spiders
Family
Pholcidae
Classification
Arachnida > Araneae > Pholcidae
Lives on
Europe, Africa, Asia

Where the facts come from

  1. Pholcus opilionoides (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 Ivo Antušek. Public domain, 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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