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Sticker of Thoas swallowtail
Bug card No. 4353 of 4,939

Thoas swallowtail

Heraclides thoas
Eats: Nectar and pollenButterfliesGardens and meadows6 legs

The Thoas swallowtail is a very big butterfly with brown wings and bright yellow bands. Its back wings end in long tails with a yellow spot in the middle. Even its body is yellow. It is a bold flyer that often soars high in the air.

Lives in
From the southern tip of the United States through Mexico and Central America to Argentina
Wingspan
12 to 14 cm (4.7 to 5.5 in)
Top speed
about 23 km/h (14 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It cannot bite or sting.
What does it eat?
The butterfly drinks nectar from flowers like lantana and bougainvillea. Its caterpillar eats citrus leaves.
For real!Photo of Thoas swallowtail
Picture by Tubifex. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How wide are its wings?

Thoas swallowtail wings about 14 cm tip to tip (5.5 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 16 seconds

How big is Thoas swallowtail compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Its wings can be up to 14 centimetres across, wider than a grown-up's hand.

2

It looks so much like the giant swallowtail that people often mix them up.

3

In the tropics it flies all year round.

4

It lives in open country, gardens and plantations.

you asked

Most asked questions about Thoas swallowtail

?How big is the Thoas swallowtail?

Its wings measure about 12 to 14 centimetres from tip to tip.

?What does the Thoas swallowtail caterpillar eat?

Mostly the leaves of citrus plants, like lemon and orange trees.

For bug experts

Scientific name
Heraclides thoas
Named by
Linnaeus, 1771
Group
Butterflies
Family
Papilionidae
Classification
Insecta > Lepidoptera > Papilionidae
Lives on
North America, South America
Also known as
King swallowtail

Where the facts come from

  1. Papilio thoas (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 Tubifex. CC BY-SA 3.0, 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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Also at home here: Gardens and meadows

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