Bug Wiki
Sticker of Black carpenter ant
Bug card No. 0118 of 1,500

Black carpenter ant

Camponotus pennsylvanicus
Eats: A bit of everythingAntsForests and woods6 legs

The black carpenter ant is one of the biggest ants in North America. It is dull black with soft yellowish hairs on its tummy. It makes its home by chewing tunnels in dead, damp wood, like a tiny carpenter.

Lives in
Eastern North America, east of the Rocky Mountains, in woods and around houses
Length
1.4 to 2.1 cm (0.55 to 0.83 in)
the biggest workers and the queens
Top speed
about 0.61 km/h (0.38 mph)
On foot, estimate
What does it eat?
It eats dead insects and plant juices, and it drinks sweet honeydew from aphids that it looks after. It goes looking for food mostly at night.
For real!Photo of Black carpenter ant
Picture by April Nobile. CC BY 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Black carpenter ant about 2.1 cm long (0.83 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 5.9 seconds

How big is Black carpenter ant compared to YOU?

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

How fast is it?

cool stuff

Fun facts

1

Workers in the same nest can be very different sizes, from small ones to super big ones.

2

It can walk about 90 metres from its nest to find food, leaving a smelly trail so it can find the way back.

3

A big nest inside wood can make a quiet cracking sound that people can hear.

4

Small workers collect honeydew and hand it over to bigger workers, who carry it home.

5

In the forest it helps old dead trees rot away and turn back into soil.

you asked

Most asked questions about Black carpenter ant

?Do carpenter ants eat wood?

No. They chew tunnels in wood to live in, but they do not eat it.

?How big is a black carpenter ant?

The biggest workers are about 14 to 17 millimetres long, and queens reach about 2 centimetres.

Myth buster

Myth: Carpenter ants eat wood.

Truth: They do not. They only chew wood to make tunnels to live in, and they throw the bits away.

For bug experts

Scientific name
Camponotus pennsylvanicus
Group
Ants
Family
Formicidae
Classification
Insecta > Hymenoptera > Formicidae
Lives on
North America

Where the facts come from

  1. Black carpenter ant (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 April Nobile. CC BY 4.0, 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: Ants

Also at home here: Forests and woods