Bug Wiki
Sticker of Arizona black hole spider
Bug card No. 0143 of 4,939

Arizona black hole spider

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

The Arizona black hole spider is a black spider with a soft, velvety look. It lives in a silk tube hidden in a crack, often in the wall of a house. From the dark entrance, silk threads spread out like rays of the sun.

Fun fact: spiders are not insects. Insects have six legs, spiders have eight. Everyone calls them bugs anyway!
Lives in
Arizona, New Mexico, Nevada and California in the United States
Length
1.3 cm (0.51 in)
the female, without legs
Top speed
about 1.4 km/h (0.87 mph)
On foot, estimate
What does it eat?
It catches insects that bump into the silk threads around its hiding hole.
For real!Photo of Arizona black hole spider
Picture by Tamberly Conway. CC BY 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Arizona black hole spider about 1.3 cm long (0.51 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 2.6 secondsmoves 30 times its own body length every second

How big is Arizona black hole spider compared to YOU?

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

How fast is it?

cool stuff

Fun facts

1

The female can live for several years.

2

The male looks very different, with much longer legs and a thinner body.

3

Its name comes from the dark hole in its silk tube.

you asked

Most asked questions about Arizona black hole spider

?Where does the black hole spider live?

In Arizona and nearby states, often in cracks in the walls of buildings.

For bug experts

Scientific name
Kukulcania arizonica
Group
Spiders
Family
Filistatidae
Classification
Arachnida > Araneae > Filistatidae
Lives on
North America

Where the facts come from

  1. Kukulcania arizonica (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 Tamberly Conway. CC BY 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.

Bug Wiki honey jar For grown-ups: Bug Wiki is free, with no ads and no tracking. A small tip helps keep it online.Leave a tip

More from the same group: Spiders

Also at home here: Houses and farms

Honey jarfor grown-ups