梨小食心虫是全变态的害虫,每一代需要经过卵、幼虫、蛹和成虫四个不同的虫态阶段,其每个虫态过程,在一定的时期内都有防治的机会,都能有效地降低存活基数,减轻危害程度。早在上个世纪六、七十年代,梨小食心虫就是故道区域的主要害虫,根据多年的观察研究,总结出“挖、刮、剪、摘、诱、药、放、保”的八字综合防治措施,这些方法是有效可行的。“挖、刮、剪、摘”——农业防治“挖、刮、剪、摘”属农业防治措施,也称为人工防治。土壤和粗翘皮是梨小食心虫的越冬场所,挖树盘和刮树皮能够有效地破 Pear boreal worms are all-perverted pests, each passing through four different stages of the stages of eggs, larvae, pupae and adults, each of which has a chance of prevention and control over a period of time, effectively Reduce the survival base, reduce the degree of harm. As early as the sixties and seventies of the last century, Pear boreal worms are the main pests in the old course area. According to years of observation and study, the characters of “digging, scraping, scissoring, picking, attracting, medicine, releasing and preserving” are summarized Comprehensive prevention and control measures, these methods are effective and feasible. “Digging, scraping, cutting, picking ” - agricultural control “digging, scraping, cutting, picking ” is an agricultural control measures, also known as artificial control. The soil and the thicker skins are the overwintering places of the pear borer, digging the tree bark and scraping the bark can be effectively broken