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Sticker of Australian sheep blowfly
Bug card No. 0084 of 1,500

Australian sheep blowfly

Lucilia cuprina

The Australian sheep blowfly is a shiny green fly with a coppery shine and reddish eyes. It is a big worry for sheep farmers. The mother lays her eggs in dirty or hurt sheep wool, and the maggots can make the sheep very sick.

Lives in
Australia, and also Africa and North America, in warm places with sheep and farms
Length
0.5 to 1 cm (0.18 to 0.39 in)
Top speed
about 8.9 km/h (5.5 mph)
Flying, estimate
Can it hurt you?
Harmless
It does not bite or sting people. It is a problem for sheep, so farmers work hard to protect their flocks.
What does it eat?
It feeds on rotting things, from old meat to decaying fruit. Its maggots also feed on sheep, which harms them.
For real!Photo of Australian sheep blowfly
Picture by Caroline Harding (MAF Plant Health & Environment Laboratory). CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Australian sheep blowfly about 1 cm long (0.39 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)
small enough to sit on your fingernailas long as 1.5 grains of rice in a rowcould fly across a whole football pitch in 42 secondsmoves 250 times its own body length every second

How big is Australian sheep blowfly compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Because of its shiny bronze colour, flies like it are called bronze bottle flies.

2

It can fly up to 16 kilometres looking for food.

3

Farmers call it fly strike when the maggots attack a sheep. It is a big problem for sheep farms.

4

From egg to grown-up fly takes about 11 to 21 days, faster when it is warm.

5

It likes warm, calm days and stays away when it is windy.

you asked

Most asked questions about Australian sheep blowfly

?Why is the Australian sheep blowfly a problem?

It lays eggs in the wool of sheep, and the maggots hurt the sheep. Farmers call this fly strike.

?How big is the Australian sheep blowfly?

It is about 4.5 to 10 millimetres long.

For bug experts

Scientific name
Lucilia cuprina
Group
Flies and mosquitoes
Family
Calliphoridae
Classification
Insecta > Diptera > Calliphoridae
Lives on
Australia and Oceania, Africa, North America

Where the facts come from

  1. Lucilia cuprina (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 Caroline Harding (MAF Plant Health & Environment Laboratory). 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.

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