Bug Wiki
Sticker of McCook's split wolf spider
Bug card No. 2793 of 4,939

McCook's split wolf spider

Schizocosa mccooki
Eats: Other bugs and small animalsSpidersDeserts and dry places8 legsNot an insect, but a bug cousin

McCook's split wolf spider is a big, hairy wolf spider from western North America. It is grey to light brown with stripes on its front and white spots on its back. It does not build a web but runs after its food.

Fun fact: spiders are not insects. Insects have six legs, spiders have eight. Everyone calls them bugs anyway!
Lives in
Western North America, from Canada through the United States to Mexico, in grasslands, chaparral and deserts
Length
0.9 to 2.3 cm (0.36 to 0.89 in)
Top speed
about 2.8 km/h (1.7 mph)
On foot, estimate
What does it eat?
Like other wolf spiders, it hunts insects and other small animals on the ground.
For real!Photo of McCook's split wolf spider
Picture by Eugene Zelenko. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How long is it?

McCook's split wolf spider about 2.3 cm long (0.89 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 4 grains of rice in a rowcould run across a dinner table in 1.3 secondsmoves 34 times its own body length every second

How big is McCook's split wolf 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 females can be more than twice as long as the smallest males.

2

Some of these spiders dig burrows to live in.

3

It looks almost exactly like a bigger cousin, and scientists think they might even be the same spider.

you asked

Most asked questions about McCook's split wolf spider

?How big is McCook's split wolf spider?

Its body is about 1 to 2.3 centimetres long, and females are bigger than males.

For bug experts

Scientific name
Schizocosa mccooki
Group
Spiders
Family
Lycosidae
Classification
Arachnida > Araneae > Lycosidae
Lives on
North America

Where the facts come from

  1. Schizocosa mccooki (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 Eugene Zelenko. 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.

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: Deserts and dry places

Honey jarfor grown-ups