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Sticker of Obscure root weevil
Bug card No. 3091 of 4,939

Obscure root weevil

Sciopithes obscurus
Eats: PlantsBeetlesGardens and meadows6 legs

The obscure root weevil is a small grey or brown beetle with a wavy line across its back. It has a short snout, and its feelers bend in the middle like little elbows. It comes out at night to munch on leaves.

Lives in
The Pacific Northwest of North America, in gardens and fields
Length
6 to 8 mm (0.24 to 0.31 in)
Top speed
about 0.12 km/h (0.07 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless to people. Gardeners just do not like it, because it eats their plants.
What does it eat?
The beetles nibble leaves at night, for example on rhododendrons and strawberries. The young ones live in the soil and eat roots.
For real!Photo of Obscure root weevil
Picture by Cougroyalty. CC0, via Wikimedia Commons.

How big is it?

How long is it?

Obscure root weevil about 8 mm long (0.31 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)
small enough to sit on your fingernailcould run across a dinner table in 30 seconds

How big is Obscure root weevil compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Most weevils like it hide in the soil during the day, but this one often stays up in the leaves.

2

One female can lay up to a hundred eggs, in folded leaves or in the soil.

3

As soon as the young ones hatch, they crawl down into the soil to eat roots.

4

Gardeners in the Pacific Northwest see it as a pest, because it nibbles rhododendrons and strawberries.

you asked

Most asked questions about Obscure root weevil

?Is the obscure root weevil harmful?

Not to people. It can damage garden plants like rhododendrons and strawberries.

?When is the obscure root weevil active?

At night. That is when it climbs up and eats leaves.

For bug experts

Scientific name
Sciopithes obscurus
Group
Beetles
Family
Curculionidae
Classification
Insecta > Coleoptera > Curculionidae
Lives on
North America

Where the facts come from

  1. Sciopithes obscurus (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 Cougroyalty. CC0, 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: Gardens and meadows

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