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Sticker of Feathered thorn
Bug card No. 1644 of 4,939

Feathered thorn

Colotois pennaria
Name means: “named after the male's very feathery antennae; "penna" is Latin for feather”
Eats: PlantsMothsForests and woods6 legs

The feathered thorn is a brown night moth that flies late in the year, when the leaves are falling. The male has big, feathery antennae. Its colour can be anything from pale brown to rich reddish brown.

Lives in
All over Europe and the Near East, and east to Korea and Japan, in leafy woods and big gardens
Wingspan
4.6 to 5 cm (1.8 to 2 in)
Top speed
about 16 km/h (9.9 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It cannot bite or sting people, so you can watch it up close.
What does it eat?
Its caterpillars eat the leaves of many trees and shrubs, mostly at night.
For real!Photo of Feathered thorn
Picture by Hectonichus. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How wide are its wings?

Feathered thorn wings about 5 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 24 seconds

How big is Feathered thorn compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

It flies from September to November, when most other moths are gone.

2

Males fly actively at night, while females are slow and sluggish.

3

Its hairless caterpillar looks like a twig and grows up to 5 centimetres long.

4

It spends the winter as a cluster of eggs on a twig.

5

One subspecies lives only on the island of Cyprus.

you asked

Most asked questions about Feathered thorn

?Why is it called the feathered thorn?

Because the male has very feathery antennae.

?When does the feathered thorn fly?

In autumn, from September to November.

For bug experts

Scientific name
Colotois pennaria
Named by
Linnaeus, 1761
Group
Moths
Family
Geometridae
Classification
Insecta > Lepidoptera > Geometridae
Lives on
Europe, Asia

Where the facts come from

  1. Feathered thorn (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 Hectonichus. 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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More from the same group: Moths

Also at home here: Forests and woods

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