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Sticker of Southern festoon
Bug card No. 1253 of 1,500

Southern festoon

Zerynthia polyxena
Eats: Nectar and pollenButterfliesGardens and meadows6 legs

The southern festoon is a yellow butterfly covered in wiggly black lines, like a page of scribbles. Along the edge of its back wings it has little red and blue spots. Those bright spots tell birds: do not eat me, I taste bad.

Lives in
Southern and central Europe, east to Kazakhstan and the Urals
Wingspan
4.6 to 5.2 cm (1.8 to 2 in)
Top speed
about 14 km/h (8.7 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless to touch, but it tastes bad to animals that try to eat it. Just look at it.
What does it eat?
The butterfly visits flowers. Its caterpillars eat birthwort plants, which are poisonous, and keep the poison in their bodies.
For real!Photo of Southern festoon
Picture by Maurizio Carlini. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How wide are its wings?

Southern festoon wings about 5.2 cm tip to tip (2 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 1.5 toy building brickscould fly across a whole football pitch in 27 seconds

How big is Southern festoon compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Its caterpillar grows up to 3.5 centimetres long and is covered with six rows of orange and black spikes.

2

It is one of the first butterflies of spring and flies from April to June.

3

A grown-up butterfly lives only about three weeks.

4

The chrysalis spends the whole winter tied to a plant with a silk belt, and the butterfly comes out the next spring.

5

The poison from the caterpillar's food stays in the butterfly, so birds learn to leave it alone.

you asked

Most asked questions about Southern festoon

?Is the southern festoon poisonous?

It tastes bad to birds because its caterpillar eats poisonous plants. It is safe to look at.

?How big is the southern festoon?

Its wings are about 4.6 to 5.2 centimetres from tip to tip.

?When can you see a southern festoon?

In spring, from April to June.

For bug experts

Scientific name
Zerynthia polyxena
Group
Butterflies
Family
Papilionidae
Classification
Insecta > Lepidoptera > Papilionidae
Lives on
Europe, Asia

Where the facts come from

  1. Zerynthia polyxena (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 Maurizio Carlini. CC BY-SA 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: Butterflies

Also at home here: Gardens and meadows