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Sticker of Ladder-backed hover fly
Bug card No. 2476 of 4,939

Ladder-backed hover fly

Melanostoma scalare

The ladder-backed hover fly is a small, slim hoverfly with a shiny black chest. Its tummy has yellow markings in a row, a bit like the steps of a ladder. It is a very common fly in gardens and meadows.

Lives in
Most of Europe, North Africa, the Near East, parts of Africa and Asia to New Guinea
Length
0.7 to 1 cm (0.28 to 0.39 in)
Top speed
about 13 km/h (8.1 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. Hoverflies have no sting.
What does it eat?
The adults feed on flowers. The larvae eat aphids.
For real!Photo of Ladder-backed hover fly
Picture by Sandy Rae. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Ladder-backed hover fly 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 29 secondsmoves 360 times its own body length every second

How big is Ladder-backed hover fly compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

You can tell boys from girls by their spots: the males have round or diamond spots, the females have triangles.

2

The males are longer and slimmer than the females.

3

Adults can be seen flying from April all the way to November.

you asked

Most asked questions about Ladder-backed hover fly

?Is the ladder-backed hover fly a bee?

No. It is a fly. It cannot sting, even though it has yellow markings.

?What does the ladder-backed hover fly eat?

The adults visit flowers, and the larvae eat aphids.

For bug experts

Scientific name
Melanostoma scalare
Group
Flies and mosquitoes
Family
Syrphidae
Classification
Insecta > Diptera > Syrphidae
Lives on
Europe, Africa, Asia, Australia and Oceania
Also known as
Chequered hoverfly

Where the facts come from

  1. Melanostoma scalare (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 Sandy Rae. CC BY-SA 3.0, Wikimedia Commons. The sticker of this bug is drawn from this 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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