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Sticker of Juniper shield bug
Bug card No. 2429 of 4,939

Juniper shield bug

Cyphostethus tristriatus
Eats: PlantsTrue bugs and cicadasGardens and meadows6 legs

The juniper shield bug is a green shield bug with pretty pinkish red markings on its wings. Its favourite plant is juniper, and its young feed on juniper berries. Because people plant juniper and cypress in their gardens, it has moved into gardens too.

Lives in
Europe, including southern and central England, on juniper and cypress in gardens and woods
Length
0.9 to 1.1 cm (0.35 to 0.41 in)
Top speed
about 0.19 km/h (0.12 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless to people. It does not bite or sting.
What does it eat?
It feeds on juniper, and its young eat juniper berries. It has also learned to use cypress trees.
For real!Photo of Juniper shield bug
Picture by Robert Flogaus-Faust. CC BY 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Juniper shield bug 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 run across a dinner table in 19 seconds

How big is Juniper shield bug compared to YOU?

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

How fast is it?

cool stuff

Fun facts

1

In England it used to be rare, but now it is common thanks to garden juniper and cypress.

2

It has recently been found in northern England and Scotland, so it may still be spreading.

3

It spends the winter as a grown-up and comes out to find a mate in early spring.

4

It is active for most of the year, except in the coldest months.

you asked

Most asked questions about Juniper shield bug

?What does the juniper shield bug eat?

Juniper, especially the berries, and also cypress trees.

?How big is the juniper shield bug?

About 1 centimetre long.

For bug experts

Scientific name
Cyphostethus tristriatus
Group
True bugs and cicadas
Family
Acanthosomatidae
Classification
Insecta > Hemiptera > Acanthosomatidae
Lives on
Europe

Where the facts come from

  1. Juniper shield bug (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 Robert Flogaus-Faust. CC BY 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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