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Sticker of Sow-thistle aphid
Bug card No. 4048 of 4,939

Sow-thistle aphid

Uroleucon sonchi
Eats: PlantsTrue bugs and cicadasGardens and meadows6 legs

The sow-thistle aphid is a tiny bug that sucks juice from plants. It first came from Europe, but now it lives in many countries around the world. Its favourite plant is the sow thistle, but it also likes lettuce.

Lives in
First from Europe and Asia, now on almost every continent
Top speed
about 0.01 km/h (0.01 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless to people. It does not bite or sting.
What does it eat?
It drinks sap from plants of the daisy family, like sow thistles, lettuce and endive.
For real!Photo of Sow-thistle aphid
Picture by Jesse Rorabaugh. CC0, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

Gardeners do not like it much, because it also feeds on lettuce. That is why it is also called the brown lettuce aphid.

2

It has spread to the Americas, Africa, India, Japan, China, Korea and New Zealand.

3

It reached Australia only in 1995.

4

A tiny wasp sometimes lays its egg inside it, and a new wasp later grows out of the aphid.

you asked

Most asked questions about Sow-thistle aphid

?What does the sow-thistle aphid eat?

It sucks sap from sow thistles, lettuce, endive and other plants of the daisy family.

?Where does the sow-thistle aphid live?

It first came from Europe and Asia, but now it lives in many countries all over the world.

For bug experts

Scientific name
Uroleucon sonchi
Named by
Linnaeus, 1767
Group
True bugs and cicadas
Family
Aphididae
Classification
Insecta > Hemiptera > Aphididae
Lives on
Europe, Asia, Africa, North America, South America, Australia and Oceania
Also known as
Large sow-thistle aphid, Brown lettuce aphid

Where the facts come from

  1. Uroleucon sonchi (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 Jesse Rorabaugh. CC0, 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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