Beans locusts. It is mainly the chlorophyll of the bean peas, which affects photosynthesis and causes poor growth of the beans and affects the results. Treatment method: use 40% dimethoate 800 times solution, or 4.5% beta-cypermethrin 1500 times solution, spray on the sunny morning after dew or in the afternoon until the sun sets.
Beans owl. The pest sucks the young juice of the beans with a sucking mouth device, so that the damaged beans are poorly grown, dry and thin, and the quality is inferior and unbearable. Artificial capture: You can use the fake sex of the bean owls. In the morning or evening, shake the bean stalks and kill them when the beans are dead. Drug treatment: use non-toxic to human and animal safety, high-efficiency and low-toxic pesticides 25% in the United States and the United States Bell 1000 ~ 1500 times liquid, sprayed in the evening on a sunny day. It can also be sprayed with 4.5% beta-cypermethrin 1500 times solution on a sunny afternoon to dusk.
Bean zebra. This pest specializes in eating beans and making the beans unreal. Artificial killing: Wear rubber gloves to kill before the morning dew or dusk. When killing the zebra zebra, don't let your juice splash on your skin. Otherwise, it will cause skin irritation and blisters. Drug treatment: use 25% of the medium-sized beauty bell 1000 ~ 1500 times liquid or 90% trichlorfon 800 times liquid, after the dry morning dew or dry in the evening.
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