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March 8, 2014
Table of Contents
1 Introduction
Silkworm

Wikipedia

 
Taxobox_begin | color = pink | name = Silkworm
Taxobox_image | image = image:Silkworm.png|240px | caption = Prometheus silkworm
Taxobox_begin_placement | color = pink
Taxobox_regnum_entry | taxon = Animalia
Taxobox_phylum_entry | taxon = Arthropoda
Taxobox_classis_entry | taxon = Insecta
Taxobox_ordo_entry | taxon = Lepidoptera
Taxobox_familia_entry | taxon = Bombycidae
Taxobox_genus_entry | taxon = Bombyx
Taxobox_species_entry | taxon = B. mori
Taxobox_end_placement
Taxobox_section_binomial | color = pink | binomial_name = Bombyx mori | author = Carolus Linnaeus|Linnaeus | date = 1758
Taxobox_end
For the band named Silkworm, see Silkworm (band).

For the Silkworm cruise missile, see Silkworm missile.


The silkworm (Bombyx mori, lit. "raw silk of mulberry") is not a worm, but the larva of a moth that is very important economically as the producer of silk. A silkworm's diet consists solely of mulberry leaves. It is native to northern China.

The silkworm is so called because it spins its cocoon from raw silk. The cocoon is made of a single continuous thread of raw silk from 300 to 900 meters (1000 to 3000 feet) long.

Silkworms have good appetite. They eat mulberry leaves day and night continuously. Thus, they grow very fast. When the color of their heads turn darker, it means that it is time for them to molt. After they molt about four times, their bodies turn slightly yellow and their skin becomes tighter, which means they are going to cover themselves with a silky cocoon.
If the caterpillar is left to eat its way out of the cocoon naturally, the yarn|threads will be cut short and the silk will be useless, so silkworm cocoons are thrown into boiling water, which kills the silkworms and also makes the cocoons easier to unravel. The silkworm itself is often eaten.

The adult moth has been bred for silk production and cannot fly. It is also called the silkworm-moth or mulberry silkworm. Because of its long history and economic importance, the silkworm Genus|genome has been the object of considerable modern study.




In China, there is a legend that the discovery of the silkworm's silk was by an ancient empress called Lei Zu (嫘祖). She was walking around when she noticed the worms. She used her finger to touch it, and wonder of wonders, a strand of silk came out! As more came out and wrapped around her finger, she slowly felt a warm sensation. When the silk ran out, she saw a small cocoon. In an instant, she realized that this cocoon was the source of the silk. She taught this to the people and it became widespread.There are many more legends about the silkworm.




Silkworm is the source of the traditional Chinese medicine "bombyx batryticatus" or "stiff silkworm" (僵蠶). It is the dried body of the 4~5th stage larva of silkwork died of the white muscadine disease which is caused by the infection of a fungus Beauveria bassiana. Its uses are to dispel wind, dissolve phlegm and relieve spasm.

Category:Moths
Category:Silk

ca:Cuc de seda
de:Seidenspinnerfr:Ver ? soie
nl:Zijdevlinder
ja:カイコ

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Silkworm".


Last Modified:   2005-04-13


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