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Sticker of Pied hoverfly
Bug card No. 1051 of 1,500

Pied hoverfly

Scaeva pyrastri

The pied hoverfly is a big black fly with three pairs of white comma marks on its back end. It can hang still in the air like a tiny helicopter. Its babies are hungry little helpers that eat the bugs that harm garden plants.

Lives in
Europe, Asia, North Africa and North America, in gardens, meadows and wasteland
Length
1.1 to 1.5 cm (0.43 to 0.59 in)
Top speed
about 16 km/h (9.9 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It is a fly, so it has no sting and does not bite.
What does it eat?
The grown-up fly visits flowers for nectar and pollen. Its larvae eat aphids, more than 500 each while they grow.
For real!Photo of Pied hoverfly
Picture by Alvesgaspar. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Pied hoverfly about 1.5 cm long (0.59 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)A crayon about 9 cm (3.5 in)
as long as 2.5 grains of rice in a rowcould fly across a whole football pitch in 24 secondsmoves 300 times its own body length every second

How big is Pied hoverfly compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Its eyes are covered in tiny hairs.

2

The male's eyes touch in the middle of its head, but the female's eyes have a gap between them.

3

Its larva looks like a little slug, light green or sometimes pink, with a white stripe down its back.

4

In Britain it is a traveller. Some years lots of them fly in, and other years almost none come.

5

It likes flat flower heads like cow parsley, and also honeysuckle and daisies.

you asked

Most asked questions about Pied hoverfly

?Can a pied hoverfly sting?

No. Hoverflies are flies and have no sting at all.

?What do pied hoverflies eat?

The grown-ups drink nectar from flowers. The larvae eat aphids, which helps gardeners.

?How big is a pied hoverfly?

It is about 11 to 15 millimetres long, a big fly for a hoverfly.

For bug experts

Scientific name
Scaeva pyrastri
Group
Flies and mosquitoes
Family
Syrphidae
Classification
Insecta > Diptera > Syrphidae
Lives on
Europe, Asia, Africa, North America

Where the facts come from

  1. Scaeva pyrastri (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