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国内对果树害虫性诱剂粗提物观察不多。１９８５年笔者对陇东两种果树害虫，梨星毛虫和苹果巢虫性诱剂粗提物进行了观察。１材料与方法１．１方法１９８５年６月１０日以平凉市郊径滩果园、平凉地区园艺场采集梨垦毛虫蛹，苹果巢虫蛹室内饲养，６月１９日～２０日羽化，舍弃雄?
Domestic fruit pest sex attractant crude extract was observed. In 1985, the author observed the two kinds of tree pests in Longdong, pear-shaped caterpillars and apple cauliflower lures. 1 Materials and methods 1.1 Methods June 10, 1985 to Pingliang suburbs orchard beach, Pingliang horticultural field harvest pear caterpillars, apple nest pupae indoor feeding, June 19 to 20 feathers, give up the male?