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Sticker of Common castor butterfly
Bug card No. 1010 of 4,939

Common castor butterfly

Ariadne merione
Eats: Nectar and pollenButterfliesRainforests and jungles6 legs

The common castor is an orange-brown butterfly with thin, wavy brown lines across its wings. Its caterpillars eat almost nothing but the castor oil plant, which gave it its name. It looks paler in the dry season than in the rainy season.

Lives in
South and Southeast Asia, from India and the Himalayas to Myanmar, Cambodia and Malaysia
Top speed
about 15 km/h (9.3 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It does not bite or sting. The caterpillar is spiny, so just look at it.
What does it eat?
The butterflies drink sweet liquids. The caterpillars eat almost only the leaves of the castor oil plant.
For real!Photo of Common castor butterfly
Picture by Vinayaraj. CC BY-SA 4.0, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

Its two front legs are tiny, hairy and unused, so it walks on just four legs.

2

Butterflies born in the dry season are paler than those born in the rainy season.

3

Its caterpillar is green, slim and covered in branched spines that help keep enemies away.

4

Its chrysalis is pale green and has sharp corners.

you asked

Most asked questions about Common castor butterfly

?Why is it called the common castor?

Because its caterpillars feed almost only on the castor oil plant.

?How many legs does the common castor walk on?

Four. Like its relatives, its two front legs are tiny and not used for walking.

For bug experts

Scientific name
Ariadne merione
Group
Butterflies
Family
Nymphalidae
Classification
Insecta > Lepidoptera > Nymphalidae
Lives on
Asia
Also known as
Common castor

Where the facts come from

  1. Ariadne merione (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 Vinayaraj. CC BY-SA 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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Also at home here: Rainforests and jungles

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