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Sticker of Peppered moth
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Peppered moth

Biston betularia
Eats: PlantsMothsForests and woods6 legs

The peppered moth is white with black speckles, as if someone sprinkled pepper over its wings. It flies at night and rests high up in trees during the day. Some peppered moths are so dark that they look almost black.

Lives in
Europe, much of Asia and North America
Wingspan
4.5 to 6.2 cm (1.8 to 2.4 in)
Top speed
about 17 km/h (11 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It does not bite or sting.
What does it eat?
Its caterpillar eats the leaves of trees and bushes.
For real!Photo of Peppered moth
Picture by Cyndy Sims Parr. CC BY-SA 2.0, via Wikimedia Commons.

How big is it?

How wide are its wings?

Peppered moth wings about 6.2 cm tip to tip (2.4 in)A toy building brick about 3.2 cm (1.3 in)A crayon about 9 cm (3.5 in)A banana about 18 cm (7.1 in)
wings as wide as 2 toy building brickscould fly across a whole football pitch in 22 seconds

How big is Peppered moth compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Its caterpillar looks exactly like a little twig, green or brown.

2

The caterpillar can feel the colour of the twig with its skin and slowly change its own colour to match.

3

Males fly every night of their lives looking for a female, but females fly only on their first night.

4

A female lays about 2,000 tiny pale green eggs in cracks in the bark.

5

Scientists all over the world study the light and dark peppered moths to learn how animals change over many generations.

you asked

Most asked questions about Peppered moth

?Why is it called the peppered moth?

Because its white wings are sprinkled with black speckles, like pepper.

?How big is a peppered moth?

Its wings are about 4.5 to 6 centimetres across.

?Why are some peppered moths black?

Moths can be lighter or darker. Light ones hide best on trees covered in pale lichen, and dark ones hide best on plain dark bark.

For bug experts

Scientific name
Biston betularia
Group
Moths
Family
Geometridae
Classification
Insecta > Lepidoptera > Geometridae
Lives on
Europe, Asia, North America

Where the facts come from

  1. Peppered moth (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 Cyndy Sims Parr. CC BY-SA 2.0, 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: Moths

Also at home here: Forests and woods