Bug Wiki
Sticker of Bull ant
Bug card No. 0216 of 1,500

Bull ant

Myrmecia pyriformis
Eats: A bit of everythingAntsGardens and meadows6 legs

The bull ant is a giant Australian ant, about as long as the top part of your thumb. It is dark brown or black with big reddish jaws.

Lives in
Australia, mostly in the east, even in big cities
Length
1.4 to 2.6 cm (0.55 to 1 in)
Top speed
about 0.68 km/h (0.42 mph)
On foot, estimate
Can it hurt you?
Dangerous: look, do not touch
What does it eat?
Grown-up bull ants drink sweet plant juices, and they catch insects to feed to their babies.
For real!Photo of Bull ant
Picture by Narendra A, Reid SF, Raderschall CA (2013). CC BY 2.5, via Wikimedia Commons.

How big is it?

How long is it?

Bull ant about 2.6 cm long (1 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 5.3 seconds

How big is Bull ant compared to YOU?

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

How fast is it?

cool stuff

Fun facts

1

It is called the inch ant because it can be about an inch long, which is 2.5 centimetres.

2

A nest can keep going without a queen, because the workers can lay eggs too. One queenless colony kept making new workers for three years.

3

It was first described in 1858 from ants collected near Melbourne.

you asked

Most asked questions about Bull ant

?How big is a bull ant?

About 14 to 26 millimetres long, one of the biggest ants in the world.

?Where do bull ants live?

In Australia, mostly in the eastern states, including in many big cities.

For bug experts

Scientific name
Myrmecia pyriformis
Named by
Smith, 1858
Group
Ants
Family
Formicidae
Classification
Insecta > Hymenoptera > Formicidae
Lives on
Australia and Oceania
Also known as
Inch ant, Black bull-ant, Brown bulldog ant

Where the facts come from

  1. Myrmecia pyriformis (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 Narendra A, Reid SF, Raderschall CA (2013). CC BY 2.5, 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 [email protected] and we will fix it.

More from the same group: Ants

Also at home here: Gardens and meadows