中文摘要：

小菜蛾Plutella xylostella（L．）是重要的十字花科蔬菜害虫。生物测定是进行害虫抗药性监测及筛选有效防治药剂的重要技术。本文对小菜蛾的生物测定技术进行了详细总结，以期为小菜蛾等鳞翅目害虫幼虫生物测定方法的规范提供依据。

英文摘要：

The diamondback moth, Plutella xylostella （L.）, is a notorious pest insect of cruciferous vegetables. Bioassays are an important technique for insecticide resistance monitoring and for screening the effectiveness of insecticides. This paper describes in detail the extensively used leaf dipping method in the DBM bioassay so as to provide a standard bioassay method for DBM and other lepidopterous pest insects.