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Sticker of South American palm weevil
Bug card No. 1249 of 1,500

South American palm weevil

Rhynchophorus palmarum
Eats: PlantsBeetlesRainforests and jungles6 legs

The South American palm weevil is a big black beetle with a long snout, like a tiny elephant's trunk. It sniffs out palm trees that are hurt. Its fat larvae then tunnel right into the soft heart of the palm.

Lives in
South and Central America, Mexico and the Caribbean, and now also southern California
Length
3.8 cm (1.5 in)
Top speed
about 0.25 km/h (0.16 mph)
On foot, estimate
Can it hurt you?
Harmless
It is harmless to people. It is only dangerous for palm trees.
What does it eat?
The larvae eat the soft heart of palm trees like coconut, date and oil palms. Sometimes they also eat sugar cane.
For real!Photo of South American palm weevil
Picture by Didier Descouens. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

South American palm weevil about 3.8 cm long (1.5 in)A toy building brick about 3.2 cm (1.3 in)A crayon about 9 cm (3.5 in)A banana about 18 cm (7.1 in)
as long as 6 grains of rice in a rowcould run across a dinner table in 14 seconds

How big is South American palm weevil compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Its larvae can grow even longer than the grown-up beetle, about 5 centimetres.

2

One mother can lay almost 700 eggs.

3

It can carry a tiny worm that makes palm trees sick with red ring disease.

4

The larva builds its cocoon out of palm fibres, like a little woven basket.

5

In South America, people have eaten the larvae for hundreds of years as a healthy snack.

you asked

Most asked questions about South American palm weevil

?What does the South American palm weevil eat?

Its larvae eat the inside of palm trees, like coconut and date palms, and sometimes sugar cane.

?Can you eat palm weevil larvae?

Yes. People in South America have eaten them for centuries because they are full of protein and vitamins.

?How big is the South American palm weevil?

The beetle is about 4 centimetres long, and its larvae can grow to about 5 centimetres.

For bug experts

Scientific name
Rhynchophorus palmarum
Named by
Linnaeus, 1758
Group
Beetles
Family
Curculionidae
Classification
Insecta > Coleoptera > Curculionidae
Lives on
South America, North America

Where the facts come from

  1. Rhynchophorus palmarum (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 Didier Descouens. CC BY-SA 3.0, Wikimedia Commons. The round sticker of this bug is cut from the same picture.

If we got something wrong, sorry, we are bug fans, not a science journal. Tell us at hello@bugwiki.app and we will fix it.

More from the same group: Beetles

Also at home here: Rainforests and jungles