我省茶树害虫约190余种。无论成龄或幼龄茶园均遭为害,一般可使茶青损失25—30％。在茶树害虫的防治上,长期以来均以化学防除为主,忽视了天敌的作用。通过十几年的调查观察,发现我省有天敌昆虫160余种,虫生菌20余种,捕食蜘蛛50余种,还有益鸟、兽和蛙类。它们在自然情况下,对茶树害虫起到了 About 190 tea plant pests in our province. Regardless of age or young tea plantations have been harmed, the general loss of tea can be 25-30%. In the prevention and treatment of tea tree pests, chemical control have long been the main neglect of the role of natural enemies. Through more than 10 years of investigation and observation, we found that there are more than 160 kinds of natural enemy insects in our province, more than 20 kinds of entomogenous bacteria, more than 50 kinds of predation spiders, and beneficial birds, beasts and frogs. They play a role in tea tree pests under natural conditions