The teacup is also known as the orange bifurcation. It belongs to the order Homoptera, Aphididae. When the tea tree is seriously damaged, the young shoots are atrophic and curled. The growth stops, affecting the yield and reducing the quality. The dry brown tea made from the damaged bud leaves is dark, and the soup is turbid and has a stench, color, and fragrance. Both the taste and the taste are extremely low, and the "meat dew" of the mite's excrement contaminates the bud, causing the coal disease to breed. The wings of the teacup are about 2 mm long, brownish and shiny. The base of each antennae is pale yellow. The forewing midrib is bifurcated. There are 4 pairs of dark spots on the back of the abdomen. Wings are brownish and their wings are milky white. Wingless crickets are nearly ovoid, slightly hypertrophied, tan, with fine, pale yellow lines on the surface of the body. The bases of the antennae are milky white and black at the ends. Wingless if light brown or light yellow. There are many kinds of natural enemies in tea aphids, such as ladybugs, grasshoppers, food flies, cockroach wasps and so on. In the spring, with the accumulation of tea aphids, natural enemies also occur accordingly, and the peak number of natural enemies will increase sharply during the peak period of the tea aphid population, resulting in a sharp decline in insect populations. For example, each beak fly larvae or ladybug larvae may eat tea a day. 80-117 heads, therefore, as long as the natural enemies are well protected, the tea pots in the tea garden do not need to be sprayed, but the number of enemies on the day is small, the rate of shoots in the tea gardens is more than 10%, and the average insect population of the lobe leaves has reached 30 heads. At that time, it is necessary to consider the use of chemical agents for prevention and treatment.
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