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Sticker of Common fruit fly
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Common fruit fly

Drosophila melanogaster
Name means: “dew-loving black belly”

The common fruit fly is a teeny yellow-brown fly with big brick-red eyes. It loves rotting fruit, so you often see it buzzing around the fruit bowl. It is also one of the most important helpers for scientists all over the world.

Lives in
All over the world, first from Africa
Length
2.5 mm (0.1 in)
the female, males are a bit smaller
Top speed
about 4.5 km/h (2.8 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It does not bite or sting.
What does it eat?
It feeds on rotting fruit and drinks that are going sour. That is why it shows up near old bananas and juice.
For real!Photo of Common fruit fly
Picture by Sanjay Acharya. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Common fruit fly about 2.5 mm long (0.1 in)A grain of rice about 6 mm (0.24 in)
2.5 of them in a row are as long as one grain of ricecould fly across a whole football pitch in 84 secondsmoves 500 times its own body length every second

How big is Common 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

In 1946 it became the first animal ever sent into space.

2

Scientists have won six Nobel Prizes for studying fruit flies.

3

In warm weather it can grow from egg to grown-up fly in just seven days.

4

Its eyes are made of hundreds of tiny parts and cover most of its head.

5

Behind its wings it has two tiny knobs that help it keep its balance in the air.

you asked

Most asked questions about Common fruit fly

?Where do fruit flies come from?

They are drawn to ripe and rotting fruit and lay their eggs there, so they seem to appear out of nowhere around the fruit bowl.

?Are fruit flies harmful?

No. They do not bite or sting, they are just annoying around food.

?How long do fruit flies live?

About 50 days in warm conditions, from egg to old age.

For bug experts

Scientific name
Drosophila melanogaster
Group
Flies and mosquitoes
Family
Drosophilidae
Classification
Insecta > Diptera > Drosophilidae
Lives on
Africa, Europe, Asia, North America, South America, Australia and Oceania
Also known as
Lesser fruit fly, Vinegar fly, Pomace fly, Banana fly

Where the facts come from

  1. Drosophila melanogaster (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 Sanjay Acharya. CC BY-SA 4.0, 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.

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