Control methods: larvae damage period in the evening spraying 200 of the chlordiazepoxide 1 6000 ~ 8000 times liquid or Bt emulsion 500 ~ 600 times liquid, but also can be sprayed with bitter saxifrage 1000 times liquid and other prevention and control. Adults can be used to lure adults to lay eggs during the period of occurrence of adult insects, change 1 time in 5 days, and then burned.