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Sticker of Willow flea-beetle
Bug card No. 4805 of 4,939

Willow flea-beetle

Crepidodera aurata
Eats: PlantsBeetlesGardens and meadows6 legs

The willow flea beetle is a tiny, shiny oval beetle. The boys are black and the girls are green, and both have orange legs and feelers. Like all flea beetles, it can jump away like a flea.

Lives in
Europe and Asia, as far east as Korea, wherever willows grow
Length
2.5 mm (0.1 in)
Top speed
about 0.2 km/h (0.12 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless. It is a tiny leaf beetle that cannot hurt you.
What does it eat?
It eats the leaves of willows and poplars and leaves little round holes in them. Its larva eats the same leaves.
For real!Photo of Willow flea-beetle
Picture by URSchmidt. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Willow flea-beetle about 2.5 mm long (0.1 in)A grain of rice about 6 mm (0.24 in)
2.5 of them in a row are as long as one grain of ricecould run across a dinner table in 18 secondsmoves 22 times its own body length every second

How big is Willow flea-beetle compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

You can tell it has visited a willow by the small round holes it chews in the leaves.

2

It spends the winter asleep under tree bark, logs or old leaves.

3

Its larva is black and looks like a tiny slug.

4

A willow flea beetle lives for about 8 or 9 months.

5

The mother lays yellow, spindle-shaped eggs on leaves the beetles have already been nibbling.

you asked

Most asked questions about Willow flea-beetle

?What does the willow flea beetle eat?

Leaves of willows and poplars. It chews small round holes in them.

?How big is the willow flea beetle?

Tiny. It is only about 2.5 millimetres long, smaller than a grain of rice.

For bug experts

Scientific name
Crepidodera aurata
Named by
Marsham, 1802
Group
Beetles
Family
Chrysomelidae
Classification
Insecta > Coleoptera > Chrysomelidae
Lives on
Europe, Asia
Also known as
Willow flea beetle

Where the facts come from

  1. Crepidodera aurata (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 URSchmidt. 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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