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Sticker of Puriri moth
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Puriri moth

Aenetus virescens
Name means: “it is named after the pūriri tree, where its caterpillars often live”
Eats: Nothing as a grown-upMothsForests and woods6 legs

The puriri moth is New Zealand's biggest moth, with bright green front wings and pink back wings. It spends five or six years as a caterpillar hidden inside a tree trunk. Then it lives as a moth for only about two days.

Lives in
The North Island of New Zealand, in forests
Wingspan
10 to 15 cm (3.9 to 5.9 in)
males are smaller than females
Top speed
about 27 km/h (17 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It cannot bite or sting, and it cannot even eat.
What does it eat?
The grown-up moth has no mouth and never eats. The caterpillar eats fungi at first, then lives in a tree and nibbles the soft new bark around its tunnel door.
For real!Photo of Puriri moth
Picture by Tony Wills. CC BY 2.5, via Wikimedia Commons.

How big is it?

How wide are its wings?

Puriri moth wings about 15 cm tip to tip (5.9 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 14 seconds

How big is Puriri moth compared to YOU?

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

How fast is it?

cool stuff

Fun facts

1

A female can lay about 2000 eggs, which she drops onto the forest floor.

2

The caterpillar digs a tunnel shaped like the number 7 into a tree and hides its door with silk and wood chips.

3

The caterpillar grows to about 10 centimetres long.

4

Long ago, so many moths flew to lamps that they could put the flames out.

5

Some moths are blue-green, yellow, brick-red or even white instead of green.

you asked

Most asked questions about Puriri moth

?What is the biggest moth in New Zealand?

The puriri moth. Females can have wings up to 15 centimetres across.

?What does the puriri moth eat?

The adult moth does not eat at all. The caterpillar eats fungi and the soft bark of trees.

?How long does a puriri moth live?

Up to six years as a caterpillar, but only about two days as a moth.

For bug experts

Scientific name
Aenetus virescens
Named by
Doubleday, 1843
Group
Moths
Family
Hepialidae
Classification
Insecta > Lepidoptera > Hepialidae
Lives on
Australia and Oceania
Also known as
Ghost moth, Pepetuna

Where the facts come from

  1. Pūriri 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 Tony Wills. CC BY 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