白色または灰色の柔らかい翅を持つ蛾。蛹の時期に作る繭は絹糸の原料になる。幼虫の時は桑の葉のみを食べ、長年にわたり人の手で飼育されてきた。
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.