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Sticker of Cecropia moth
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Cecropia moth

Hyalophora cecropia
Eats: Nothing as a grown-upMothsForests and woods6 legs

The cecropia moth is the biggest moth that lives naturally in North America. Its furry wings are brown with red, white and pale bands, and each wing has a red half-moon spot. Its body is fluffy with red and white stripes.

Lives in
Eastern North America and much of Canada, around trees
Wingspan
13 to 18 cm (5.1 to 7.1 in)
Top speed
about 30 km/h (19 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It cannot bite or sting, and the grown-up moth cannot even eat.
What does it eat?
The grown-up moth has no working mouth, so it never eats. The caterpillar eats leaves of maple, cherry, birch and apple trees.
For real!Photo of Cecropia moth
Picture by (c) Christine Young, some rights reserved (CC BY). CC BY 4.0, via Wikimedia Commons.

How big is it?

How wide are its wings?

Cecropia moth wings about 18 cm tip to tip (7.1 in)A crayon about 9 cm (3.5 in)A banana about 18 cm (7.1 in)A house cat about 50 cm (20 in)
wings as wide as your handcould fly across a whole football pitch in 13 seconds

How big is Cecropia moth compared to YOU?

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

How fast is it?

cool stuff

Fun facts

1

Because it cannot eat, the grown-up moth lives only about two weeks.

2

A boy moth can smell a girl moth from more than a kilometre away with his big feathery antennae.

3

Its caterpillar changes colour as it grows: first black, then yellow green, then blue green with blue, yellow and orange bumps.

4

The caterpillar grows to about 10 or 11 centimetres, as long as your hand.

5

A female moth called Georgina had wings about 20 centimetres across.

you asked

Most asked questions about Cecropia moth

?How big is a cecropia moth?

Its wings are usually 13 to 18 centimetres across, about as wide as a big adult hand.

?What does a cecropia moth eat?

The adult moth eats nothing at all. The caterpillar eats leaves of trees like maple, birch and cherry.

?How long does a cecropia moth live?

The grown-up moth lives only about two weeks.

For bug experts

Scientific name
Hyalophora cecropia
Named by
Linnaeus, 1758
Group
Moths
Family
Saturniidae
Classification
Insecta > Lepidoptera > Saturniidae
Lives on
North America

Where the facts come from

  1. Hyalophora cecropia (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 (c) Christine Young, some rights reserved (CC BY). 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: Moths

Also at home here: Forests and woods