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Sticker of Bald-faced hornet
Bug card No. 0087 of 1,500

Bald-faced hornet

Dolichovespula maculata
Name means: “piebald face, after the white markings on its face”

The bald-faced hornet is a black wasp with a white face and three white stripes at the end of its body. It lives in a big family and builds a grey paper nest that hangs from trees and bushes. The nest can be as big as a basketball, or even bigger.

Lives in
The United States and Canada, in forests and in trees and bushes in towns
Length
1.9 cm (0.75 in)
Top speed
about 24 km/h (15 mph)
Flying, estimate
Can it hurt you?
Can bite or sting
What does it eat?
It hunts flies, caterpillars and spiders to feed its babies, which makes it helpful in gardens.
For real!Photo of Bald-faced hornet
Picture by Rhododendrites. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Bald-faced hornet about 1.9 cm long (0.75 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 3 grains of rice in a rowcould fly across a whole football pitch in 16 secondsmoves 350 times its own body length every second

How big is Bald-faced hornet compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

It makes paper by chewing wood fibres and mixing them with its spit.

2

Its nest can be up to 58 centimetres long, with many layers of six-sided rooms inside.

3

One nest can hold 400 to 700 workers.

4

A single queen starts each new nest in spring and raises the first workers all by herself.

5

Its nests have been found from just 30 centimetres up to 20 metres above the ground.

you asked

Most asked questions about Bald-faced hornet

?What does a bald-faced hornet nest look like?

It is a grey, egg-shaped paper ball hanging from a tree, a bush or the side of a building.

?How big is a bald-faced hornet?

About 19 millimetres long, bigger than its yellowjacket cousins.

Myth buster

Myth: It is a true hornet.

Truth: No. Even though it is called a hornet, it is really a kind of yellowjacket wasp. True hornets belong to a different group.

For bug experts

Scientific name
Dolichovespula maculata
Named by
Linnaeus, 1763
Group
Wasps and hornets
Family
Vespidae
Classification
Insecta > Hymenoptera > Vespidae
Lives on
North America
Also known as
White-faced hornet, Bald-faced aerial yellowjacket, Blackjacket, Bull wasp

Where the facts come from

  1. Dolichovespula maculata (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 Rhododendrites. CC BY-SA 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 [email protected] and we will fix it.

More from the same group: Wasps and hornets

Also at home here: Forests and woods