一种拥有白色或灰色柔软翅膀的蛾类。蛹期所结的茧是蚕丝的原料。幼虫时期只食桑叶，数千年来一直被人类饲养。
A moth with soft wings that are white or gray in color. During its pupal stage, it spins a cocoon that serves as the raw material for silk thread. Its larva feeds exclusively on mulberry leaves and has been domesticated by humans for centuries.