The leaves of hibiscus flowers are covered with small white honey bugs. What should I do?

1. The whitefly under hibiscus leaves is whitefly, and it can be used with 10% imidacloprid 2000 times, 2.5% Uranus 3000 times, 18% avermectin 2000 times, 20% mirex 2000 times or 25% propafenone.

2. In the early stage of trapping and repelling whiteflies, you can set up a 30-40 cm square board in the greenhouse and apply 10 engine oil on it to trap and kill adults. When the oil is not sticky, try to change it in time.

Extended data:

Harmful characteristics of whitefly;

1, direct harm, continuous sucking makes plants lack carbohydrates and reduces yield;

2, injecting toxins, and injecting toxins into plants when sucking juice;

3, causing mold, and the honey dew secreted by it is suitable for mold growth and pollutes leaves and fruits;

4, affecting the quality of products, fungi lead to the blackening of general fruits;

5. spread viral diseases. Whitefly is the vector of many crop virus diseases. The excreta of adult whitefly not only affects the respiration of plants, but also causes diseases such as soot disease. Whitefly secretes a lot of honey dew on the back of plant leaves, which leads to the proliferation of fungi and affects the normal respiration and photosynthesis of plants, thus reducing the quality of vegetables and fruits and affecting their commercial value.

Baidu encyclopedia-whitefly