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近20年来,茶树主要害虫发展趋势是由体型大的食叶类虫种、虫群向体型小的吸食类的螨类、叶蝉类、蚧类、蓟马等的虫种、虫群发展。等高带状、集中成片的新式茶园大量出现,又为这些害虫吸食茶树枝叶汁液和大量繁殖,造成有利条件,对茶叶保产增收带来严重影响。其中尤以茶半跗线螨的危害面宽
In the recent 20 years, the development trend of tea tree pests mainly consists of the large-scale leaf-eating insects, the swarm of insects and insects such as mites, leafhoppers, scale, thrips and the like with small body size. Contour ribbons, concentrated into a new piece of tea plantation appeared in large numbers, but also for these pests eat tea tree leaf juice and mass propagation, resulting in favorable conditions for the protection of tea yield and bring serious impact. Especially in the tea half-ray mite harm wide