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Sticker of Australian leaf insect
Bug card No. 0218 of 4,939

Australian leaf insect

Walaphyllium monteithi
Eats: PlantsStick and leaf insectsRainforests and jungles6 legs

The Australian leaf insect looks just like a leaf, right down to the little lines of the veins. It lives in the rainforests of tropical Queensland. When it sways gently from side to side, it looks like a leaf moving in the wind.

Lives in
Only the rainforests of Far North Queensland in Australia
Length
6.1 to 7.6 cm (2.4 to 3 in)
females are bigger than males
Top speed
about 0.1 km/h (0.06 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless. If it is scared it can let out a smell that is said to be like old potatoes, but it cannot hurt you.
What does it eat?
It eats leaves, for example of lilly pilly, guava, eucalyptus, bramble and even roses.
For real!Photo of Australian leaf insect
Picture by Cumming RT, Thurman JH, Youngdale S, Tirant SL (2020) Walaphyllium subgen. nov., the dancing leaf insects from Australia and Papua New Guinea with description o. CC BY 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Australian leaf insect about 7.6 cm long (3 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)
as long as 2.5 toy building bricks in a rowcould run across a dinner table in 36 seconds

How big is Australian leaf insect compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Females are big, broad and flat like a leaf, while males are slimmer and have proper wings to fly.

2

Its colour can be anything from bright green to orange, so it matches the leaves around it.

3

Leaf insects that eat golden penda leaves often turn orange or red.

4

A female can lay eggs that hatch even without a male.

5

Insect fans keep it as a pet, but it needs plenty of room to hang down when it changes its skin.

you asked

Most asked questions about Australian leaf insect

?What does the Australian leaf insect eat?

Leaves of many plants, such as lilly pilly, guava, eucalyptus, bramble and roses.

?How big is the Australian leaf insect?

Males are about 6 centimetres long and females up to about 7.5 centimetres.

?Is the Australian leaf insect dangerous?

No. Its only tricks are hiding, swaying like a leaf and making a funny smell.

For bug experts

Scientific name
Walaphyllium monteithi
Group
Stick and leaf insects
Family
Phylliidae
Classification
Insecta > Phasmatodea > Phylliidae
Lives on
Australia and Oceania

Where the facts come from

  1. Walaphyllium monteithi (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 Cumming RT, Thurman JH, Youngdale S, Tirant SL (2020) Walaphyllium subgen. nov., the dancing leaf insects from Australia and Papua New Guinea with description o. CC BY 4.0, Wikimedia Commons. The sticker of this bug is drawn from this 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.

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More from the same group: Stick and leaf insects

Also at home here: Rainforests and jungles

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