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Sticker of Brown recluse
Bug card No. 0201 of 1,500

Brown recluse

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

The brown recluse is a shy brown spider. On its back, near the head, it has a dark mark shaped like a violin. Most spiders have eight eyes, but this one has only six, sitting in three pairs.

Fun fact: spiders are not insects. Insects have six legs, spiders have eight. Everyone calls them bugs anyway!
Lives in
The middle and south of the United States, often in and around houses
Length
0.6 to 2 cm (0.24 to 0.79 in)
Top speed
about 1.7 km/h (1.1 mph)
On foot, estimate
Can it hurt you?
Dangerous: look, do not touch
What does it eat?
Like other spiders, it catches small insects to eat. It can go for months without any food at all.
For real!Photo of Brown recluse
Picture by Rosa Pineda. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Brown recluse about 2 cm long (0.79 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)A crayon about 9 cm (3.5 in)
as long as 3 grains of rice in a rowcould run across a dinner table in 2.1 secondsmoves 24 times its own body length every second

How big is Brown recluse compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Recluse means someone who likes to hide away, and this spider really is shy.

2

It can survive up to six months with no food and very little water.

3

A mother makes several egg sacs, each with about 50 eggs, and the babies take about a year to grow up.

4

It does not float through the air on silk threads like many baby spiders do, so it spreads very slowly.

you asked

Most asked questions about Brown recluse

?How can you tell a brown recluse?

It has six eyes in three pairs and a dark violin shape on its front. Other spiders can have a violin mark too, so the eyes tell you more.

?How big is a brown recluse?

Usually 6 to 20 millimetres long.

Myth buster

Myth: The brown recluse lives all over America, even in California.

Truth: No. It only lives in the middle and south of the United States. Many spiders people think are brown recluses are other, harmless kinds.

For bug experts

Scientific name
Loxosceles reclusa
Group
Spiders
Family
Sicariidae
Classification
Arachnida > Araneae > Sicariidae
Lives on
North America
Also known as
Fiddleback spider, Brown fiddler, Violin spider

Where the facts come from

  1. Brown recluse spider (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 Rosa Pineda. CC BY-SA 3.0, 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 hello@bugwiki.app and we will fix it.

More from the same group: Spiders

Also at home here: Houses and farms