How to control locust aphids?
The control methods of Robinia pseudoacacia aphids are as follows: first, protect natural enemies such as ladybugs, aphid flies, lacewings and aphid cocoon wasps. Second, strengthen the pest situation prediction, when it is found that the number of winged aphids has increased suddenly, and the rate of aphids is up to 20% to 30%, it should be sprayed in time, such as when the proportion of ladyaphids reaches 1: 100, the number of aphids has a downward trend, stop spraying control and protect natural enemies. Third, spray 1500 times of 50% aphid spray wettable powder, 10% imidacloprid wettable powder 1500 times, or spray EB-82 to kill aphids.
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How to control Robinia pseudoacacia seed wheat moth?
The methods to control the wheat moth of Robinia pseudoacacia seeds are as follows: first, remove the remaining pod horn after defoliation and eliminate the overwintering larvae. Second, during the peak period, 50% fenitrothion EC can be sprayed 1000 to 1500 times, or 40% dimethoate EC 800 to 1000 times. Third, protect and utilize natural enemies. Fourth, select the seeds with 20% salt water before sowing, float up and remove the insect seeds and burn them.
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How to control Robinia pseudoacacia moth?
The control methods of Robinia pseudoacacia moth are as follows: first, light traps and kills adults. Second, protect and utilize natural enemies, such as cocoon wasps. Third, spray 50% fenitrothion EC 1000 to 1500 times, 2.5% deltamethrin EC 2000 to 3000 times, or 90% trichlorfon crystals 800 to 2000 times and other insecticides.
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