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Sticker of Speckled longhorn beetle
Bug card No. 4070 of 4,939

Speckled longhorn beetle

Judolia cerambyciformis
Eats: PlantsBeetlesGardens and meadows6 legs

The speckled longhorn beetle is a small, chunky beetle with a black head and black legs. Its wing cases are light yellowish brown with black bands and a black tip. In summer you can find it sitting on flowers.

Lives in
Most of Europe and western Asia, mostly in hills and mountains, but not in the far north
Length
0.7 to 1.2 cm (0.28 to 0.47 in)
Top speed
about 0.28 km/h (0.17 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless. It does not bite people or sting.
What does it eat?
Its larvae live in the ground and eat the roots of trees like fir, spruce and willow. The grown-up beetles sit on flowers.
For real!Photo of Speckled longhorn beetle
Picture by Hectonichus. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Speckled longhorn beetle about 1.2 cm long (0.47 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 13 seconds

How big is Speckled longhorn beetle compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

No two look the same. The black markings change a lot, and some beetles have almost none.

2

In Central Europe it is one of the most common longhorn beetles.

3

Its life from egg to beetle takes two years.

4

In spring the grown larva leaves the roots and turns into a pupa in the soil.

you asked

Most asked questions about Speckled longhorn beetle

?Where does the speckled longhorn beetle live?

In most of Europe and western Asia, especially in hilly and mountain areas, on flowers in summer.

?Is the speckled longhorn beetle dangerous?

No. It is a harmless beetle.

For bug experts

Scientific name
Judolia cerambyciformis
Group
Beetles
Family
Cerambycidae
Classification
Insecta > Coleoptera > Cerambycidae
Lives on
Europe, Asia

Where the facts come from

  1. Pachytodes cerambyciformis (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 Hectonichus. 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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