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Sticker of Trivittate marsh fly
Bug card No. 4435 of 4,939

Trivittate marsh fly

Helophilus trivittatus
Name means: “marsh friend with three stripes”
Eats: Nectar and pollenFlies and mosquitoesPonds, rivers and shores6 legs

The trivittate marsh fly is a hoverfly with yellow and dark stripes. Its belly is patterned like a wasp's, but it is really a harmless fly. It loves wet places and visits lots of flowers.

Lives in
Europe and Asia, from Ireland to the Pacific, near wetlands and rivers
Top speed
about 14 km/h (8.7 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It looks a bit like a wasp, but it cannot sting.
What does it eat?
The grown-ups drink from many kinds of flowers. The babies live in wet mud and eat rotting plant roots.
For real!Photo of Trivittate marsh fly
Picture by unknown author. CC BY-SA 4.0, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

Its name means marsh friend with three stripes, because it likes wet places and has three dark stripes on its back.

2

Looking like a wasp helps keep birds away, even though it has no sting.

3

It has been seen migrating in Sweden, flying long distances.

4

It flies from May to October.

you asked

Most asked questions about Trivittate marsh fly

?Can the trivittate marsh fly sting?

No. It only looks like a wasp. It is a fly and has no sting.

?What does the trivittate marsh fly eat?

The grown-ups drink nectar from flowers. The babies eat rotting plant roots in wet mud.

For bug experts

Scientific name
Helophilus trivittatus
Group
Flies and mosquitoes
Family
Syrphidae
Classification
Insecta > Diptera > Syrphidae
Lives on
Europe, Asia

Where the facts come from

  1. Helophilus trivittatus (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 unknown author. CC BY-SA 4.0, 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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More from the same group: Flies and mosquitoes

Also at home here: Ponds, rivers and shores

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