Daqingyeye Folium Isatidis occurs in 3 generations in 1 year, and the egg is wintered under the dry epidermis of the fruit tree branches, and is transferred to the fruit trees for spawning from mid-October to November. The main damage is apples, pears, peaches, hawthorn and other fruit trees. Control methods are: Agricultural control to remove orchard crops and reduce habitat conditions. Before the relocation to the fruit trees, the leafhoppers on the young orchard crop (autumn vegetables) are promptly eliminated and the population density of the orchard is reduced. In conjunction with orchard management, spawning sticks were found, and wintering eggs could be squeezed with wooden sticks to reduce the wintering rate of egg masses. Before the physical control of adult egg laying (early October), the young tree trunk was painted white to prevent its upper tree spawning (whitening formula: 1 kg of quick lime, 50 g of flour and salt, 50% of 50 % phoxim EC, Waste oil 30 ml, add appropriate amount of water, and prevent freezing damage. Using the phototaxis of adults, during the prosperous period of adults, black light, high-pressure mercury lamp, frequency-vibration lamp, etc. are trapped and killed at the top of the orchard crown to reduce the number of insect populations. Pharmaceutics control the age of adults, alternating 20% ​​fenpropathrin (Fenprotin) EC 1500~2000 times, 2.5% cyfluthrin (PAS) EC 2000~3000 times, 1.8% avermectin EC 2000 ~ 2500 times, 10% imidacloprid WP 2000 times spray. It is also possible to spray 15% fenone (Ethanone) EC from 2000 to 2500 times and 80% DDVP 1500 times when the fruit sprouts and eggs hatch. Grape yellow leafhopper The yellow-spotted spider mites pass adult winter in the hidden place of the vineyard, under the weeds, etc., and begin to move from March to April the following year. The last adult takes place from September to October until the grape leaves fall and the hidden place is overwintering. Adults feed on the morning, and when the sunlight is strong at noon, they lie quietly in the hidden place on the back of the leaves, but flee to him when disturbed. Specific prevention methods are as follows: During the period of grape growth, agricultural control made the branches and leaves of the grapes evenly distributed, with good ventilation and light transmission. Remove defoliation and withered grass in the orchard, eliminate its wintering sites, and reduce the number of pests. There are three application phases for chemical control. Overwintering adults during the prosperous period, with 25% Aktai water dispersible granules 5000 times spray; also in the hatching of eggs, alternating use of 10% cypermethrin (An Lubao) EC 2000 times, 25% of insecticidal water 600 to 800 times the agent mixed detergent 200 ~ 300 times spray; when hatching nymph damage, use 20% imidacloprid (Confododo) concentrated solvent 5000 times, 0.9% avermectin (injured extinction) Emulsion spray 2500 times. Best Electric Face Brush,Best Facial Cleansing Brush,Electric Silicone Face Brush,Best Facial Cleansing Device Shenzhen Jie Zhong Lian Investment Co., Ltd. , https://www.szmeizons.com