苹果红蜘蛛是我省果园主要害虫之一,历年均有发生,造成不同程度的为害。1979年以来开始大量使用杀虫脒,基本控制了为害。但近年来据美、日等国报道,通过大白鼠试验已证实杀虫脒是致癌物质。另外,目前不少地区反应,杀虫脒防治红蜘蛛药效降低,使用浓度逐年提高。为此,今后应尽快研究出能够取代杀虫脒防治苹果红蜘蛛新的农药品种和剂型。 Apple red spider is one of the major pests in our province orchard, all over the years have occurred, resulting in varying degrees of damage. Since 1979, extensive use of chlordimeform, the basic control of the damage. However, in recent years, it has been reported in the United States, Japan and other countries that chlordimeform has been proved to be a carcinogen by rat experiments. In addition, in many areas, the efficacy of chlordomidine in controlling spider mites is reduced and the concentration of pest control increased year by year. To this end, in the future should be developed as soon as possible to replace Chlorditrychow control apple spider new pesticide varieties and formulations.