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Sticker of Red wood ant
Bug card No. 1135 of 1,500

Red wood ant

Formica rufa
Eats: A bit of everythingAntsForests and woods6 legs

The red wood ant is a big ant with a red head and middle and a dark brown back end. It builds huge dome-shaped hills out of pine needles, grass and twigs in sunny forest clearings. Hundreds of thousands of ants can live in one nest.

Lives in
Europe and Asia, from Britain and Spain to Lake Baikal, in forests
Length
4.5 to 9 mm (0.18 to 0.35 in)
Top speed
about 0.4 km/h (0.25 mph)
On foot, estimate
Can it hurt you?
Can bite or sting
What does it eat?
Its favourite food is honeydew, the sweet juice that aphids make. It also hunts insects and spiders and eats dead animals it finds.
For real!Photo of Red wood ant
Picture by Richard Bartz, Munich Makro Freak. CC BY-SA 2.5, via Wikimedia Commons.

How big is it?

How long is it?

Red wood ant about 9 mm long (0.35 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)
small enough to sit on your fingernailas long as 1.5 grains of rice in a rowcould run across a dinner table in 9 seconds

How big is Red wood ant compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

A big colony can have up to 400,000 workers and 100 queens.

2

Its ant hills can be several metres tall and wide.

3

Its foraging trails can stretch 100 metres from the nest, about as long as a football field.

4

Foresters sometimes bring these ants into a forest on purpose, because they eat lots of pests.

you asked

Most asked questions about Red wood ant

?What do red wood ants eat?

Mostly sweet honeydew from aphids, plus insects, spiders and dead animals.

?Why do wood ants build such big hills?

The ant hill is their home. It is built in a sunny spot and has lots of rooms for the queens, eggs and babies.

For bug experts

Scientific name
Formica rufa
Named by
Linnaeus
Group
Ants
Family
Formicidae
Classification
Insecta > Hymenoptera > Formicidae
Lives on
Europe, Asia
Also known as
Southern wood ant, Horse ant

Where the facts come from

  1. Formica rufa (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 Richard Bartz, Munich Makro Freak. CC BY-SA 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: Forests and woods