Control methods of jujube inchworm

Control of jujube inchworm: ⑴ turns the garden in autumn to pick up pupae; ⑵ film poison rope method, when the adult is about to Eclosion in early spring, scrape off the old rough skin in the middle and lower part of the tree trunk, tie the fan-shaped film 20 cm wide, soak the grass rope with 2.5% deltamethrin 1: 1000 times solution, air-dry, bind the middle of the film, roll the film down into a cough trumpet shape, to prevent and kill the female moth and larva. ⑶ rod hitting method: larval occurrence period, using its pseudo-death, hitting branches with poles, larvae falling to the ground and artificial killing; ⑷ chemical control: larval occurrence period, according to the population density, determine the control period. When the population density is high, pyrethroids, diflubenzuron and other agents can be used to control.