Citrus mandarin, commonly known as mandarin orange, is known as a mandarin fruit. Before 2009, it was a national phytosanitary pest that threatened the four citrus types of grapefruit, lime, navel orange, and broad-leaved citrus. The most affected were lime and orange. Heavy, its larvae in the fruit through the food flap, so that the fruit is unripe yellow, yellow with red, severely damaged fruit rot. In general years, the fruit drop rate of citrus is about 10%, and the fruit drop rate in severe years can reach more than 60%, which poses a serious threat to the citrus industry development in our county. In view of this, the following prevention and control opinions are proposed: In the middle and early May of May, ground extermination is the emergence period of adult emergence. It is generally concentrated at 9-12 in the morning, especially in sunny weather after the rain, when the temperature is high, the emergence is the highest. On May 5-8, the use of 90% crystals of trichlorfon 100 grams per mu, from May 13th to 16th per acre, 48% chlorpyrifos 100 ml of 50 kg of water on the ground spray to kill the unearthed adult. Pharmacy trapping and killing of adult worms with sweet and sour liquid from May 20th, using trapping and trapping, trapping agent formulation with orange juice + brown sugar and 90% trichlorfon solution, the ratio of the formula: trichlorfon: orange juice: brown sugar: water = 0.2 : 5:5:100. The trapping agent is placed in a disposable plastic cup and the wire is pulled through the edge of the plastic cup. The ends of the wire are tied to the branches of the orange tree. Disposable plastic cups should be hung on the shade surface or the north side of the orange tree canopy, and 20-25 plastic cups should be hung evenly per acre. Replace the trapping agent every 10 days. Note: Each application must be completed within 2-3 days, strengthen the management of livestock and poultry, and water, in order to avoid the occurrence of human, livestock, poultry, fish poisoning accidents. Where an orange orchard above the pesticide is applied, a signboard should be inserted in a prominent position. Automatic Precision Component Cleaning Machine Ultrasonic Cleaning Machine,Used Ultrasonic Cleaner,Digital Ultrasonic Cleaner,Ultrasonic Cleaner Bunnings Dongguan Jinwang Ultrasonic Equipment Co.,Ltd , https://www.jwultrasonic.com