Life Cycle of Silkworm

Silkworms are native in China.

They spin cocoons of fine, strong and lustrous fiber which can be used to produce raw silk.

Silkworms are domesticated insects which means they cannot survive in the wild by themselves.  

The practice of breeding silkworms for silk production has existed for at least 5,000 years in China.

Silkworm Life Cycle

One of the best ways to learn about something such as an insect is by watching and observing them.

In this experiment, we observed silkworms go through its life cycle.

5 stages of Silkworm and Silkmoth Life Cycle STEM Activity: silkworm (larva), spin cocoon (pupal skin), cocoon (pupa), silkmoth (adult) and eggs.

With a few exceptions, all insects’ lives begin as eggs. After leaving the egg, an insect grows and transforms, usually multiple times, until it reaches adulthood. The adult insect then mates, reproduces and creates eggs which start another life cycle.

The physical transformation of an insect from one stage of its life cycle to another is called metamorphosis. There are several types of metamorphosis. In our case, the insect goes through complete metamorphosis in which each stage of its life cycle looks different, has different behavior and lives in a different habitat from the others:

eggs -> larva (silkworm) -> pupa (cocoon) -> adult (silkmoth, Bombyx mori)> eggs

Life Cycle of Silk Worms in 5 stages

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