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Sticker of Giant petaltail
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Giant petaltail

Petalura ingentissima
Name means: “Petalura means leaf tail, after the leaf-shaped tips on its tail; ingentissima means the most enormous”

The giant petaltail is a huge, heavy black dragonfly with yellow markings. It has been called the biggest dragonfly in the world. It lives in Queensland in Australia.

Lives in
Queensland in Australia, near rivers
Length
12 cm (4.9 in)
a female
Wingspan
16 to 16 cm (6.2 to 6.4 in)
Top speed
about 58 km/h (36 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless to people. Dragonflies do not sting.
What does it eat?
Like all dragonflies it catches other insects. Its larvae hunt too, grabbing animals that pass by their burrow.
For real!Photo of Giant petaltail
Picture by Summerdrought. CC BY 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Giant petaltail about 12 cm long (4.9 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)

How wide are its wings?

Giant petaltail wings about 16 cm tip to tip (6.4 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)
as long as 4 toy building bricks in a rowabout as long as your handwings as wide as your handcould fly across a whole football pitch in 6.5 secondsmoves 130 times its own body length every second

How big is Giant petaltail 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's wings can stretch about 16 centimetres from tip to tip.

2

Its larvae are about 6 centimetres long and live in burrows along the riverbank.

3

The larvae wait in their burrows and jump out at passing prey.

4

Its tail ends in little flaps shaped like leaves.

you asked

Most asked questions about Giant petaltail

?What is the biggest dragonfly in the world?

The giant petaltail from Australia is often called the biggest, with wings about 16 centimetres across.

?Is the giant petaltail dangerous?

No. Dragonflies are harmless and do not sting people.

For bug experts

Scientific name
Petalura ingentissima
Named by
Tillyard, 1908
Group
Dragonflies and damselflies
Family
Petaluridae
Classification
Insecta > Odonata > Petaluridae
Lives on
Australia and Oceania

Where the facts come from

  1. Petalura ingentissima (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 Summerdrought. 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 [email protected] and we will fix it.

More from the same group: Dragonflies and damselflies

Also at home here: Ponds, rivers and shores