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Sticker of Common carpet beetle
Bug card No. 1008 of 4,939

Common carpet beetle

Anthrenus scrophulariae
Eats: Nectar and pollenBeetlesHouses and farms6 legs

The common carpet beetle is a tiny round beetle, only about 3 millimetres long. It is black, sprinkled with white and orange scales. The grown-up beetle visits flowers, but its hairy babies like to munch on wool, carpets and fur.

Lives in
First from Europe and Asia, now in most of the world, often in houses
Length
2.5 to 3.8 mm (0.1 to 0.15 in)
Top speed
about 0.25 km/h (0.16 mph)
On foot, estimate
Can it hurt you?
Harmless
It does not bite or sting. The hairy old skins its babies leave behind can make skin itchy, so do not touch them.
What does it eat?
The grown-up beetle eats pollen and nectar, mostly from white flowers. Its larvae chew wool, fur, feathers and other animal hairs.
For real!Photo of Common carpet beetle
Picture by No machine-readable author provided. Kulac assumed (based on copyright claims).. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Common carpet beetle about 3.8 mm long (0.15 in)A grain of rice about 6 mm (0.24 in)
small enough to sit on your fingernailcould run across a dinner table in 14 seconds

How big is Common carpet beetle compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Its babies can eat holes in carpets and clothes, and even nibble insect collections in museums.

2

The mother lays 30 to 60 tiny white eggs at a time, and they have little hooks that stick to carpet fibres.

3

As the beetle gets older, its coloured scales rub off, so it slowly changes how it looks.

4

The fully grown hairy larva is bigger than the grown-up beetle.

5

Outdoors, it lays its eggs in bird nests and bee hives, where there are hairs and feathers.

you asked

Most asked questions about Common carpet beetle

?Do carpet beetles bite?

No. But the shed skins of their larvae can make some people's skin itchy.

?How do I keep carpet beetles away?

Vacuuming often and keeping woollen things in closed boxes helps a lot.

For bug experts

Scientific name
Anthrenus scrophulariae
Group
Beetles
Family
Dermestidae
Classification
Insecta > Coleoptera > Dermestidae
Lives on
Europe, Asia, Africa, North America, South America, Australia and Oceania
Also known as
Buffalo carpet beetle

Where the facts come from

  1. Anthrenus scrophulariae (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 No machine-readable author provided. Kulac assumed (based on copyright claims).. 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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