why does silk have different varieties
Answers
Answer:
Explanation:
Even though Eri is spun from the cocoons of domesticated silkworms, it is a “peace silk” because the silk caterpillars are not destroyed in the cocoon but are allowed to emerge as moths and live a full life cycle. Because the cocoons are damaged when the moth emerges, Eri silk is spun rather than reeled.
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Explanation:
Silk
This article is about an animal fiber and the textile woven from it. For other uses, see Silk (disambiguation).
"Pure silk" redirects here. For women's professional golf tournament, see Pure Silk-Bahamas LPGA Classic.
Four of the most important domesticated silk moths. Top to bottom:
Bombyx mori, Hyalophora cecropia, Antheraea pernyi, Samia cynthia.
From Meyers Konversations-Lexikon (1885–1892)
Silk is a natural protein fiber, some forms of which can be woven into textiles. The protein fiber of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons.[1] The best-known silk is obtained from the cocoons of the larvae of the mulberry silkworm Bombyx mori reared in captivity (sericulture). The shimmering appearance of silk is due to the triangular prism-like structure of the silk fibre, which allows silk cloth to refract incoming light at different angles, thus producing different colors.
Silk
Silk (Chinese characters).svg
"Silk" in seal script (top), Traditional (middle), and Simplified (bottom) Chinese
A silk-producing raspy cricket
Silk is produced by several insects; but, generally, only the silk of moth caterpillars has been used for textile manufacturing. There has been some research into other types of silk, which differ at the molecular level.[2] Silk is mainly produced by the larvae of insects undergoing complete metamorphosis, but some insects, such as webspinners and raspy crickets, produce silk throughout their lives.[3] Silk production also occurs in Hymenoptera (bees, wasps, and ants), silverfish, mayflies, thrips, leafhoppers, beetles, lacewings, fleas, flies, and midges.[2] Other types of arthropods produce silk, most notably various arachnids, such as spiders.