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Sticker of Domestic silk moth
Bug card No. 0417 of 1,500

Domestic silk moth

Bombyx mori
Eats: PlantsMothsHouses and farms6 legs

The domestic silk moth is a pale moth that cannot fly. Its caterpillar is called the silkworm, and it spins a cocoon from one very long silk thread. People have kept silk moths for at least 5,000 years to make soft, shiny silk cloth.

Lives in
First from China, now kept by people in many countries
Top speed
about 14 km/h (8.7 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It cannot bite or sting, and the grown-up moth cannot even fly away.
What does it eat?
The silkworm eats almost only the leaves of mulberry trees, and white mulberry is its favourite.
For real!Photo of Domestic silk moth
Picture by Oakenking at en.wikipedia. CC BY-SA 2.5, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

One cocoon is made from a single silk thread that can be 300 to 900 metres long.

2

The silk comes out of special glands near the silkworm's mouth.

3

It can no longer live in the wild. It needs people to help it have babies.

4

Its wild cousin, the wild silk moth, still lives in China, Korea, Japan and Russia.

5

The silkworm sheds its skin four times before it wraps itself in its cocoon.

you asked

Most asked questions about Domestic silk moth

?What does a silkworm eat?

Mulberry leaves, especially from the white mulberry tree.

?Can the silk moth fly?

No. After thousands of years of living with people, it has lost the ability to fly.

?How is silk made?

The silkworm spins a cocoon from one long silk thread, and people unwind the thread to make cloth.

For bug experts

Scientific name
Bombyx mori
Group
Moths
Family
Bombycidae
Classification
Insecta > Lepidoptera > Bombycidae
Lives on
Asia
Also known as
Silkworm

Where the facts come from

  1. Bombyx mori (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 Oakenking at en.wikipedia. CC BY-SA 2.5, 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: Moths

Also at home here: Houses and farms