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Sticker of Khapra beetle
Bug card No. 0810 of 1,500

Khapra beetle

Trogoderma granarium
Eats: PlantsBeetlesHouses and farms6 legs

The khapra beetle is a tiny brown and reddish beetle, only about 2 to 3 millimetres long. Its babies are hairy little larvae. They eat stored grain and seeds and are among the worst food pests in the world.

Lives in
First from India and southern Asia, now in many warm countries in Asia, Africa and around the Mediterranean
Length
1.6 to 3 mm (0.06 to 0.12 in)
Top speed
about 0.22 km/h (0.14 mph)
On foot, estimate
Can it hurt you?
Harmless
It does not bite or sting. Do not eat or play with grain that has these beetles in it, as it can upset your tummy or make your skin itchy.
What does it eat?
The larvae eat stored grain, seeds and flour. They like rye best.
For real!Photo of Khapra beetle
Picture by CBP Photography. CC BY-SA 2.0, via Wikimedia Commons.

How big is it?

How long is it?

Khapra beetle about 3 mm long (0.12 in)A grain of rice about 6 mm (0.24 in)
small enough to sit on your fingernailcould run across a dinner table in 16 secondsmoves 20 times its own body length every second

How big is Khapra beetle compared to YOU?

Just maths in your browser. Nothing is saved or sent anywhere.

How fast is it?

cool stuff

Fun facts

1

A larva usually takes four to six weeks to grow up, but it can stay a larva for up to seven years.

2

It can survive a very long time without any food, which makes it very hard to get rid of.

3

It is on the list of the 100 worst invasive animals and plants in the world.

4

A grown-up beetle lives only five to ten days.

5

It often travels around the world hidden in shipping containers.

you asked

Most asked questions about Khapra beetle

?Why is the khapra beetle a problem?

Its larvae eat stored grain and seeds and spoil food, and they are very hard to get rid of.

?How big is a khapra beetle?

Tiny, only about 1.6 to 3 millimetres long.

?Is the khapra beetle dangerous to people?

It does not bite or sting, but food spoiled by it can make people feel ill.

For bug experts

Scientific name
Trogoderma granarium
Group
Beetles
Family
Dermestidae
Classification
Insecta > Coleoptera > Dermestidae
Lives on
Asia, Africa, Europe
Also known as
Cabinet beetle

Where the facts come from

  1. Khapra beetle (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 CBP Photography. CC BY-SA 2.0, 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 [email protected] and we will fix it.

More from the same group: Beetles

Also at home here: Houses and farms