论文部分内容阅读
The diamondback moth Plutella xylostella (Linnaeus) (Lepidoptera: Plutellidae) is one of the most destructive insect pests of cruciferous plants worldwide.Biological, ecological and genetic studies have indicated that this moth is migratory in many regions around the world.Although outbreaks of this pest occur annually in China and cause heavy damage, little is known concerning its migration.