“Sericulture is the culture of the silk worm — Latin sericum (silk) took its name from the Seres, the people of silk, the Romans' name for the Chinese, and sericulture is the full civilization of practices that surrounds the silk thread's production.”
Latin sericum (silk) came from Greek sērikon (silk), from Sēres — the name Greeks and Romans gave to the people of the Far East who produced silk. The Seres were understood as living at the edge of the world: Ptolemy placed them east of India. The Romans imported silk from China via the Parthian and later Sasanian empires along the Silk Roads, paying for it in gold at prices that concerned Roman moralists — Pliny the Elder complained in 77 CE that silk cost Rome 100 million sesterces annually, draining Roman gold to China.
The secret of silk production — that it came from the cocoon of the silkworm moth Bombyx mori, fed on white mulberry leaves — was China's most jealously guarded technology for approximately three thousand years. Chinese tradition attributes the discovery to Lady Leizu, wife of the Yellow Emperor, around 2700 BCE: a cocoon fell into her hot tea, the filament unwound, and she had the idea of weaving it. Silk production was a state secret; exporting silkworm eggs or mulberry seeds was a capital offense.
Emperor Justinian of Byzantium solved the problem in 552 CE when two Nestorian Christian monks, having lived in China, smuggled silkworm eggs out concealed in hollow walking staves. Byzantine silk production began immediately, breaking the Chinese monopoly. By the 12th century, Italian city-states — especially Lucca, then Florence and Genoa — had established silk industries that made them fabulously wealthy. The silk weavers of Spitalfields in London, many of them French Huguenot refugees after 1685, created one of England's most skilled artisan traditions.
Sericulture today continues in East Asia (China produces about 70% of the world's silk), India, Uzbekistan, and Brazil. The silk worm, Bombyx mori, is now entirely domesticated — it cannot survive in the wild. Three thousand years of selective breeding for silk production have produced an insect that cannot fly, cannot find its own food, and dies immediately after laying eggs. The moth that made possible the most lucrative trade in the ancient world exists now only in service to human production.
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Today
The silkworm's story is a parable of domestication taken to its logical extreme. Bombyx mori began as a wild moth. Three thousand years of selection for silk yield, docility, and dense cocoon production have created an organism that cannot survive outside human care. It produces the most valuable textile fiber in human history, and it cannot exist without humans any more than humans can produce its product without it.
This mutual dependency is what domestication actually means. The dog that cannot survive in the wild and the human who cannot imagine life without its companionship are in the same relationship as the silkworm and the sericulturist. We shaped them; they shaped us. The silk thread that connected China to Rome and funded the Italian Renaissance is also a thread of interdependence that neither party can cut.
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