Why do silkworms break eggs when they hit spring thunder?

Silkworm is the larva of silkworm moth and the main source of silk raw materials, which plays an important role in human economic life and cultural history. Originated in northern China, the main food is mulberry leaves, and goose dishes can also be supplemented. Cocoon is made of continuous silk with a length of 300 ~ 900 meters (1000 ~ 3000 feet). Silkworms and pupae are edible and have therapeutic effects. Adult moths cannot fly. They are also called "silkworm moths". They are only used to spawn and reproduce, and die after spawning. Because of its long history and important economic value, silkworm genes have become an important research object of modern science.

Silkworm is a deformed insect, the most common one is silkworm, also called silkworm, which is one of the economic insects that spin silk and cocoon on mulberry leaves. Silkworm originated in China, its development temperature is 7 ~ 40℃, and its suitable feeding temperature is 20 ~ 30℃. Silkworm babies feed on mulberry leaves After eating mulberry leaves continuously, the body turned white and began to peel after a period of time. When peeling, they don't eat or move like sleeping for about one day. This is called "dormancy". Once skinned, it is the second instar larva. Even if it is peeled once, it will increase by one year, and the larvae will be peeled four times to become fifth instar larvae. After eating mulberry leaves for 8 days, they will become mature silkworms and start spinning and cocooning.