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Sticker of Olive fruit fly
Bug card No. 0988 of 1,500

Olive fruit fly

Bactrocera oleae
Eats: PlantsFlies and mosquitoesGardens and meadows6 legs

The olive fruit fly is a tiny fly that only cares about one thing: olives. It lays its eggs inside olives, and the little maggots eat the olive from the inside. It has a small dark spot at the tip of each wing.

Lives in
Around the Mediterranean Sea, in Africa, western Asia and India, and now also in California, wherever olive trees grow
Length
4 to 5 mm (0.16 to 0.2 in)
Top speed
about 6.3 km/h (3.9 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless to people. It does not bite or sting, but it is bad news for olive farmers.
What does it eat?
Its larvae live inside olives and eat the soft fruit around the stone.
For real!Photo of Olive fruit fly
Picture by Alvesgaspar. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Olive fruit fly about 5 mm long (0.2 in)A grain of rice about 6 mm (0.24 in)
small enough to sit on your fingernailcould fly across a whole football pitch in 60 secondsmoves 350 times its own body length every second

How big is Olive fruit fly compared to YOU?

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

How fast is it?

cool stuff

Fun facts

1

It is the worst pest of olive trees in the places where it lives.

2

It was first found in the United States in 1998, in Los Angeles. Now it lives all over California.

3

The female has bluish-green eyes.

4

More than 200 years ago, an Italian scientist already wrote tips for farmers on how to get rid of it.

5

A fully grown maggot is only about 6 to 7 mm long.

you asked

Most asked questions about Olive fruit fly

?What does the olive fruit fly eat?

Its maggots eat olives from the inside.

?Is the olive fruit fly dangerous?

Not to people. It does not bite or sting, but it can ruin olive harvests.

?How big is the olive fruit fly?

The grown-up fly is only about 4 to 5 mm long.

For bug experts

Scientific name
Bactrocera oleae
Group
Flies and mosquitoes
Family
Tephritidae
Classification
Insecta > Diptera > Tephritidae
Lives on
Europe, Africa, Asia, North America

Where the facts come from

  1. Olive fruit fly (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 Alvesgaspar. 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 [email protected] and we will fix it.

More from the same group: Flies and mosquitoes

Also at home here: Gardens and meadows