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Sticker of Lily borer
Bug card No. 2616 of 4,939

Lily borer

Brithys crini
Eats: PlantsMothsGardens and meadows6 legs

The lily borer is a dark brown moth with almost white back wings. Its caterpillars are boldly coloured in pale yellow on black and brown. They eat lilies and can even bore into the bulbs.

Lives in
Coasts of southern Europe, Africa down to South Africa, India, Sri Lanka, Japan and northern Australia
Wingspan
4 cm (1.6 in)
Top speed
about 14 km/h (8.7 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless to touch, but its caterpillars are poisonous to eat. Never put one in your mouth.
What does it eat?
Its caterpillars eat the leaves, stems and bulbs of crinum lilies, clivias and other lilies.
For real!Photo of Lily borer
Picture by JMK. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How wide are its wings?

Lily borer wings about 4 cm tip to tip (1.6 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 7 grains of rice in a rowcould fly across a whole football pitch in 27 seconds

How big is Lily borer compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

The caterpillars eat poisonous plants, so they become poisonous too. Their bright colours warn birds to stay away.

2

Young caterpillars live in groups and tunnel inside the leaves.

3

In cool weather the caterpillars may spend the winter inside a lily bulb.

4

The caterpillars grow to about 4 centimetres long.

5

Its legs have black and white stripes.

you asked

Most asked questions about Lily borer

?What does the lily borer eat?

Its caterpillars eat lilies such as crinum and clivia, including the bulbs.

?Is the lily borer caterpillar poisonous?

Yes, to animals that eat it. It is safe to look at, but never put one in your mouth.

For bug experts

Scientific name
Brithys crini
Group
Moths
Family
Noctuidae
Classification
Insecta > Lepidoptera > Noctuidae
Lives on
Europe, Africa, Asia, Australia and Oceania
Also known as
Amaryllis borer, Crinum borer, Kew arches

Where the facts come from

  1. Brithys crini (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 JMK. 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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