苹果绵蚜（ＥｒｉｏｓｏｍａｌａｎｉｇｅｒｕｍＨａｕｓｍａｎｎ）是主要植物检疫对象之一。１９９０年于五莲县个别果园发现，１９９１年诸城等邻市也发现，１９９２年不少果园普遍受害。为控制传播和封锁消灭此虫，１９９３～１９９７年笔者对常用的几种药剂进行了筛选试验 Apple aphid (EriosomalanigerumHausmann) is one of the main plant quarantine objects. In 1990, some individual orchards in Wulian County were found. In 1991, neighboring cities such as Zhucheng also found that in 1992 many orchards generally suffered. In order to control the spread of the blockade and eliminate this worm, 1993 ~ 1997, the author of several commonly used pharmaceutical screening test