柑桔红蜘蛛为世界性柑桔类的重要害虫。我国在1940年以前发生量还很少,由于第二次世界大战后在柑桔上使用大量的滴滴涕杀虫剂,消灭了天敌,致使红蜘蛛逐渐猖獗并广泛流行。1963年以前在福州地区种植的福桔、雪柑实生树尚未发现红蜘蛛,以后从广东省引进芦柑、桶柑嫁接苗栽培,红蜘蛛才逐渐猖獗起来。1964年以来我们推广1059和乐果乳剂防治红蜘蛛,使其猖獗性暂告缓和。到1968年红蜘蛛对这两种药剂相继产生抗性,又因其世代日期 Citrus red spider is an important pest of the world citrus. My country did not occur much until 1940. As a result of the use of large quantities of DDT pesticides on citrus after the Second World War, natural enemies were eliminated, causing the spider mites to rampant and prevail. Before 1963, Fuzhou citrus trees planted in Fuzhou area had no spider mites yet. After the introduction of citrus and barberry grafted seedlings in Guangdong Province, spider mites began to rampant. Since 1964 we have promoted 1059 and dimethoate spider mites to make their rampant nature temporarily eased. By 1968 Red Spider on the success of these two agents, and because of its generation date