Mosquito bugs are polyphagous insects, causing common damage on industrial crops such as cashew, pepper, tea, coffee ..., fruit trees such as green-skinned grapefruit, custard apple, avocado, etc. In addition to causing direct damage caused by  sucking bugs .The sting will cause the leaves and flowers to dry, the young fruit to fall.., the sting also creates conditions for the growth of fungi, especially the fungus that causes anthracnose to invade, which will cause more serious damage and make prevention and treatment difficult,costly.