Asian oak weevil
Cyrtepistomus castaneus

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
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.

How fast is it?
A garden snail about 0.05 km/h (0.03 mph)
Asian oak weevil about 0.1 km/h (0.06 mph)
A tortoise about 0.3 km/h (0.19 mph)
A person walking about 5 km/h (3.1 mph)
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
- 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.
- 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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