Rice locusts in our city are dominated by stem borer and rice stem borer, which are more harmful than other pests. According to statistical data, the second generation of Sichuania occurs in our city for two generations a year, causing a loss of 4,000 to 5,000 tons per year. Sanhuan in our city has occurred in three generations a year. The year of heavy loss is between 5,000 and 6,000 tons. Reduce production by 30-40%. In order to better control the "two tricks", it is necessary to grasp the law of occurrence of the "two tricks" in order to better prevent them. The second generation of Sichuang has occurred in the city. The first generation of larvae occurred in the middle and late May, and the second generation of larvae occurred in the middle and late July. The three generations of Sanhuan in our city occurred in three generations a year. The first generation of larvae was incubated in the middle and late May, the second generation was in the middle and early July, and the third generation was in the middle and late August. At the same time, we must also understand the habits of Sichuanghua and Sanhuan. Adults of S. indica adulthood are nocturnal, with phototaxis and tending to leafiness. They are copulated on the night after emergence and lay eggs the next day. Eggs hatch at 6-12 in the morning. The adults of S. borealis are lurking during the day, have activities at night, have tropism, and have stronger phototaxis. They usually lay eggs before 12 o'clock in the evening. Only by mastering these laws can they effectively eliminate the two lice before they are harmed. . To achieve the purpose of increasing production and income. Beard Straight Comb,Straight Beard Comb,Men Hair Straightening Comb,Electric Straight Hair Beard Comb Shenzhen Jie Zhong Lian Investment Co., Ltd. , https://www.szmeizonscares.com