A very large order of insects, including the butterflies and moths, the larvas of which are called caterpillars.

【动】鳞翅类(蝶、蛾等)。鳞翅目之特点是具有两对又薄又大的翅膀，而且翅膀上布满细细的鳞粉；其生活史是卵->幼虫->蛹->成虫。