1. Artificial control Because of its loose shell, the insect body on the host branch can be brushed with a hard brush or a fine wire brush. Combined with plastic pruning, cut off severely damaged branches.

2. Chemical control According to the investigation and prediction, it is necessary to implement chemical control during the crawling period of newly hatched nymphs. It is suggested to use 0.2% clay diesel oil emulsion mixed with 80% dichlorvos emulsion, 50% mirex emulsion, 50% cartap wettable powder, or 50% malathion emulsion 1000 times. (Preparation of clay diesel oil emulsion: 1 part of light diesel oil, 2 parts of dry clay fine powder and 2 parts of water. Pour diesel oil into clay powder in proportion, stir it into paste after it is completely wetted, slowly add water, stir vigorously until there is no floating oil on the surface, and then make the emulsified stock solution of clay diesel oil with oil content of 20%. In addition, 700 times of 40% quick-killing emulsion is also efficient.

3. The natural parasitism rate of protecting and utilizing natural enemies is high, sometimes reaching 70 ~ 80%; In addition, there are ladybugs, beetles, lacewings and so on. It is predatory and should be protected.