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Sticker of Museum beetle
Bug card No. 0944 of 1,500

Museum beetle

Anthrenus museorum

The museum beetle is a tiny, round beetle with dark wing cases sprinkled with bright spots. The grown-up beetle lives outside on flowers. Its hairy little larvae are the troublemakers: they nibble dry skin and fur, even on stuffed animals in museums.

Lives in
Europe, Asia, North Africa, North America and Australia, in houses, museums and on flowers outside
Length
2 to 4 mm (0.08 to 0.16 in)
Top speed
about 0.26 km/h (0.16 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless to people. It is only a pest for fur, wool and museum collections.
What does it eat?
Its larvae eat dry skin, fur and hair, and sometimes dry cheese, flour or cocoa. The grown-up beetles visit flowers.
For real!Photo of Museum beetle
Picture by URSchmidt. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Museum beetle about 4 mm long (0.16 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 Museum beetle compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Its larvae can damage stuffed polar bears and big cats in museums. That is how it got its name.

2

The larva is yellowish and hairy and only about 4.5 millimetres long.

3

A grown-up beetle lives only one or two weeks.

4

The mother lays about forty eggs in hidden places like carpets, cracks in the floor or wool, so her babies have food.

you asked

Most asked questions about Museum beetle

?Why is it called the museum beetle?

Because its larvae eat the skin and fur of stuffed animals in museums.

?Is the museum beetle harmful?

Not to people, but its larvae can damage wool, fur and museum collections.

?How big is the museum beetle?

Only 2 to 4 millimetres, about as big as a sesame seed.

For bug experts

Scientific name
Anthrenus museorum
Group
Beetles
Family
Dermestidae
Classification
Insecta > Coleoptera > Dermestidae
Lives on
Europe, Asia, Africa, North America, Australia and Oceania

Where the facts come from

  1. Anthrenus museorum (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 URSchmidt. CC BY-SA 4.0, Wikimedia Commons. The round sticker of this bug is cut from the same 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.

More from the same group: Beetles

Also at home here: Houses and farms