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Sticker of Asian oak weevil
Bug card No. 0181 of 4,939

Asian oak weevil

Cyrtepistomus castaneus
Eats: PlantsBeetlesForests and woods6 legs

The Asian oak weevil is a small weevil with a short, broad snout. It comes from Asia but now also lives in North America. The grown-up beetles nibble the leaves of oak and red maple trees.

Lives in
Asia, and now North America, in oak woods
Top speed
about 0.1 km/h (0.06 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless to people.
What does it eat?
The beetles eat oak and red maple leaves. Their larvae live in the soil and eat tiny root hairs.
For real!Photo of Asian oak weevil
Picture by Judy Gallagher. CC BY 2.0, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

It was first found in North America in 1933.

2

Its larvae live underground and feed on the tiny hairs on plant roots.

3

It belongs to the broad-nosed weevils, which have shorter, wider snouts than many other weevils.

you asked

Most asked questions about Asian oak weevil

?What does the Asian oak weevil eat?

The beetles eat oak and red maple leaves, and the larvae eat root hairs in the soil.

?Where does the Asian oak weevil come from?

From Asia. It arrived in North America in the 1930s.

For bug experts

Scientific name
Cyrtepistomus castaneus
Group
Beetles
Family
Curculionidae
Classification
Insecta > Coleoptera > Curculionidae
Lives on
Asia, North America
Also known as
Asiatic oak weevil

Where the facts come from

  1. Cyrtepistomus castaneus (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 Judy Gallagher. CC BY 2.0, 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: Beetles

Also at home here: Forests and woods

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