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Sticker of Black-headed bull ant
Bug card No. 0462 of 4,939

Black-headed bull ant

Myrmecia nigriceps
Name means: “black head (nigriceps in Latin)”
Eats: Nectar and pollenAntsForests and woods6 legs

The black-headed bull ant is a big Australian ant with a black head, a red middle and yellow legs. Its jaws are longer than its head and have 13 teeth. It goes out looking for food in the evening and at night.

Lives in
Most of Australia, except the centre and the far north coast
Length
1.9 to 2.3 cm (0.75 to 0.91 in)
Top speed
about 0.64 km/h (0.4 mph)
On foot, estimate
What does it eat?
The grown-up ants drink sweet liquids from plants. They catch insects and other ants to feed their hungry larvae.
For real!Photo of Black-headed bull ant
Picture by patrickkavanagh. CC BY 2.0, via Wikimedia Commons.

How big is it?

How long is it?

Black-headed bull ant about 2.3 cm long (0.91 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 5.6 seconds

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cool stuff

Fun facts

1

It decorates its nest mound with little pebbles, soil crumbs and bits of plants.

2

The workers start looking for food about an hour before sunset.

3

Some cockroaches can squirt a liquid that confuses the ants so they can escape.

4

Echidnas like to eat its larvae and pupae.

5

The queen is the biggest in the nest, up to about 2.6 centimetres long.

you asked

Most asked questions about Black-headed bull ant

?How big is the black-headed bull ant?

A worker is about 2 centimetres long, which is huge for an ant.

?What does the black-headed bull ant eat?

The adults drink sweet plant juices and catch insects for their larvae.

For bug experts

Scientific name
Myrmecia nigriceps
Named by
Mayr, 1862
Group
Ants
Family
Formicidae
Classification
Insecta > Hymenoptera > Formicidae
Lives on
Australia and Oceania

Where the facts come from

  1. Myrmecia nigriceps (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 patrickkavanagh. CC BY 2.0, 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.

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More from the same group: Ants

Also at home here: Forests and woods

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