Silkworms first after about a day of sleep before you can molt, molt first from the head, the silkworm will stretch the body from the old silkworm skin a little bit crawling out of the skin after the molt of the silkworm's skin color will become whiter, the head has become larger, the skin has become loose, no sleep before the tautness of the feeling.
Silkworms are metamorphic insects, the most common is the mulberry silkworm, also known as the domestic silkworm, one of the economic insects that spit cocoons with mulberry leaves as food. Mulberry silkworms originated in China, its development temperature is 7 ~ 40 ℃, feeding moderate temperature of 20 ~ 30 ℃. Silkworms live on mulberry leaves, and after eating mulberry leaves continuously, their bodies become white, and after a period of time, they begin to shed their skin. When it sheds its skin, it will be asleep for about a day, not eating and not moving, which is called "hibernation".
Expanded Information
Silkworms breeding notes
One of the breeding temperature
Silkworms are a kind of very afraid of the cold creatures, so generally heard of the spring silkworms. The temperature, usually in April-May each year is the best time to raise silkworms, when the temperature is basically in the 20-25 degrees or so, do not need to bother a lot of effort to regulate the temperature of the breeding room, so later through the regulation of the temperature also slowly appeared in other seasons of raising silkworms.
Two, feeding mulberry leaves
When raising silkworms should pay attention to the mulberry leaves are best fresh, up to the home put a night of mulberry leaves can also be used to feed silkworms, but too long mulberry leaves are not fresh, silkworms will be handled after the diarrhea or will not eat at all,
Secondly, we should pay attention to is the mulberry leaves must be cleaned and can not be dusty, and at the same time can not be given to the silkworms feed have Dew or after cleaning is not yet dry mulberry leaves, because the silkworms will eat diarrhea and then die, and finally is sprayed pesticides soon mulberry leaves can not be picked back to feed silkworms, because silkworms are particularly sensitive to toxins.
Source of reference; Baidu Encyclopedia - Silkworm