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Sticker of Black-beaked green weevil
Bug card No. 0452 of 4,939

Black-beaked green weevil

Hypera nigrirostris
Eats: PlantsBeetlesGardens and meadows6 legs

The black-beaked green weevil is a tiny beetle with a long snout. Its body is black, but tiny scales make its back shine green and gold. It loves clover more than anything.

Lives in
Europe and North Africa, and now also North America and Japan, in clover fields and meadows
Length
3 to 4 mm (0.12 to 0.16 in)
Top speed
about 0.08 km/h (0.05 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless. It is a tiny weevil that does not bite or sting people.
What does it eat?
Grown-ups chew holes in clover leaves and stems. Its babies eat the clover buds and flowers.
For real!Photo of Black-beaked green weevil
Picture by Janet Graham. CC BY 2.0, via Wikimedia Commons.

How big is it?

How long is it?

Black-beaked green weevil about 4 mm long (0.16 in)A grain of rice about 6 mm (0.24 in)
small enough to sit on your fingernailcould run across a dinner table in 45 seconds

How big is Black-beaked green weevil compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Its snout, or beak, is three times as long as it is wide.

2

Its legs and feelers are reddish.

3

The mother lays her eggs right inside clover shoots and leaves.

4

Each baby can spoil three or four clover flowers while it grows.

5

It spends the winter as a grown-up beetle in the clover field.

you asked

Most asked questions about Black-beaked green weevil

?Is the black-beaked green weevil dangerous?

Not to people. It is tiny and does not bite or sting, but it can harm clover crops.

?What does the black-beaked green weevil eat?

Clover and a few related plants such as peas, alfalfa and vetch.

?How big is a black-beaked green weevil?

Very small, only 3 to 4 mm long.

For bug experts

Scientific name
Hypera nigrirostris
Group
Beetles
Family
Curculionidae
Classification
Insecta > Coleoptera > Curculionidae
Lives on
Europe, Africa, North America, Asia
Also known as
Lesser clover leaf weevil

Where the facts come from

  1. Hypera nigrirostris (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 Janet Graham. 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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