Encyclopedia article on silk moths (Seidenspinner) from Meyers Konversations-Lexikon, covering the mulberry silkworm Bombyx mori: its appearance, life cycle, spinning glands and cocoon formation. It describes silkworm rearing (egg incubation, feeding, bed changing, spinning huts, cocoon collection), the main diseases (pébrine, flacherie, muscardine, jaundice, wasting), and egg production including Pasteur's cell grainage. It ends with wild silk moths (tussah, oak, ailanthus silk moths) and a bibliography of German, French and Austrian sericulture literature.