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Sticker of Black-punctured leaf beetle
Bug card No. 0474 of 4,939

Black-punctured leaf beetle

Galeruca tanaceti
Eats: PlantsBeetlesGardens and meadows6 legs

This leaf beetle is matt black all over and covered in tiny dents, like the skin of an orange. It loves dry, sunny meadows. When the female is full of eggs, her belly gets so big that her wing cases cover only half of it.

Lives in
From Portugal to Japan, the Near East and North Africa, and brought to North America
Length
0.6 to 1.1 cm (0.24 to 0.43 in)
Top speed
about 0.43 km/h (0.27 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless. It cannot bite or sting people.
What does it eat?
Both the beetles and their larvae eat plants, like tansy, yarrow, thistles and many others.
For real!Photo of Black-punctured leaf beetle
Picture by Hectonichus. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Black-punctured leaf beetle about 1.1 cm long (0.43 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 8.4 seconds

How big is Black-punctured leaf beetle compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Females are longer than males.

2

Eggs are laid in autumn on dry grass stems and covered with a protective goo.

3

The larvae wait until after winter and hatch in late April and May.

4

Its larvae are dark and covered with bristles.

5

It was named by Carl Linnaeus in 1758.

you asked

Most asked questions about Black-punctured leaf beetle

?What does the black-punctured leaf beetle eat?

Many plants, such as tansy, yarrow, thistles and silverweed.

?How big is the black-punctured leaf beetle?

About 6 to 11 millimetres long.

For bug experts

Scientific name
Galeruca tanaceti
Named by
Linnaeus, 1758
Group
Beetles
Family
Chrysomelidae
Classification
Insecta > Coleoptera > Chrysomelidae
Lives on
Europe, Asia, Africa, North America

Where the facts come from

  1. Galeruca tanaceti (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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More from the same group: Beetles

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