Bug Wiki
Sticker of Io moth
Bug card No. 0776 of 1,500

Io moth

Automeris io
Name means: “named after Io, a girl in old Greek stories”
Eats: Nothing as a grown-upMothsForests and woods6 legs

The Io moth has a big black and blue eye spot on each back wing. When a bird comes close, it flashes these eyes to scare it away. Boy moths are bright yellow and girl moths are reddish brown or purple.

Lives in
North America, from southern Canada down to Florida
Wingspan
6.3 to 8.8 cm (2.5 to 3.5 in)
Top speed
about 21 km/h (13 mph)
Flying, estimate
Can it hurt you?
Can bite or sting
What does it eat?
The grown-up moth has no working mouth and never eats. Its green caterpillar eats the leaves of many trees, like willow, oak and cherry.
For real!Photo of Io moth
Picture by Patrick Coin ( Patrick Coin ). CC BY-SA 2.5, via Wikimedia Commons.

How big is it?

How wide are its wings?

Io moth wings about 8.8 cm tip to tip (3.5 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 3 toy building brickscould fly across a whole football pitch in 18 seconds

How big is Io moth compared to YOU?

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

How fast is it?

cool stuff

Fun facts

1

Its name comes from Io, a girl in old Greek stories.

2

The baby caterpillars are orange and walk in a line, one behind the other, like a little train.

3

Older caterpillars turn bright green with a red and a white stripe along each side.

4

The grown-up moth lives only one or two weeks.

5

After it comes out of its cocoon, it pumps up its soft wings, which takes about twenty minutes.

you asked

Most asked questions about Io moth

?What does an Io moth eat?

The grown-up moth does not eat at all. The caterpillar eats leaves of many trees and bushes.

?How big is an Io moth?

Its wings are about 6 to 9 centimetres across.

For bug experts

Scientific name
Automeris io
Named by
Fabricius, 1775
Group
Moths
Family
Saturniidae
Classification
Insecta > Lepidoptera > Saturniidae
Lives on
North America
Also known as
Peacock moth

Where the facts come from

  1. Automeris io (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 Patrick Coin ( Patrick Coin ). 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: Moths

Also at home here: Forests and woods