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Sticker of Feather-legged fly
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Feather-legged fly

Trichopoda pennipes

The feather-legged fly is a bright fly with a velvety black head and an orange tummy. Its back legs have a fringe of flat hairs that look like little feathers. It helps farmers, because its babies get rid of stink bugs that harm crops.

Lives in
North and South America and Hawaii, and now also in southern Europe, in grasslands, hedges and fields
Length
1.1 cm (0.41 in)
Top speed
about 9.2 km/h (5.7 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless to people. It does not bite or sting.
What does it eat?
The grown-up fly drinks nectar from flowers like Queen Anne's lace. Its larvae grow inside stink bugs and squash bugs.
For real!Photo of Feather-legged fly
Picture by Stetocefalo. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Feather-legged fly about 1.1 cm long (0.41 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)
as long as 2 grains of rice in a rowcould fly across a whole football pitch in 41 secondsmoves 240 times its own body length every second

How big is Feather-legged fly compared to YOU?

Just maths in your browser. Nothing is saved or sent anywhere.

How fast is it?

cool stuff

Fun facts

1

The mother lays tiny eggs on big stink bugs and squash bugs.

2

When the eggs hatch, the larvae dig into the bug. If several get in, only one survives.

3

Stink bugs make a smelly juice that keeps birds away, but it does not bother this fly at all.

4

Farmers use it to help control pests, and in some places it finds most of the stink bugs.

5

It is about the size of a large housefly.

you asked

Most asked questions about Feather-legged fly

?Is the feather-legged fly good for gardens?

Yes. Its larvae grow inside stink bugs and squash bugs, which helps protect crops.

?Why is it called feather-legged?

Its back legs have a fringe of flat hairs that look like small feathers.

?Does the feather-legged fly bite?

No. It is harmless to people.

For bug experts

Scientific name
Trichopoda pennipes
Group
Flies and mosquitoes
Family
Tachinidae
Classification
Insecta > Diptera > Tachinidae
Lives on
North America, South America, Australia and Oceania, Europe

Where the facts come from

  1. Trichopoda pennipes (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 Stetocefalo. 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 [email protected] and we will fix it.

More from the same group: Flies and mosquitoes

Also at home here: Gardens and meadows