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核桃缀叶螟（ＬｏｃａｓｔｒａｍｕｓｃｏｓａｌｉｓＷａｌｋｅｒ）在河北省秦唐地区发生严重，采用树干注射器注射４０％氧化乐果，５０％甲胺磷乳油，４０％水胺硫磷乳油，２．５％功夫乳油，５０％对硫磷乳油的５０倍液进行防治，杀虫效果均达１００％。其中以注射５０％甲胺磷、４０％氧化乐果杀虫速度最快，甲胺磷次之。树干注射器是林木果树防治病虫害等的理想新型施药机具，具有重量经，携带方便，能定量注入药液，不污染环境，不杀伤天敌等优点。适用于旅游区的林木保护，特别适用于缺水山区和高大树木的病虫害防治。
50% methamidophos, 40% methamidophos, 2.5% Kung-fu EC and 50% methamidophos were injected into the trunk of Qin Qin area in Hebei Province. 50 times parathion EC control, insecticidal effect reached 100%. One injection of 50% methamidophos, 40% omethoate insecticide fastest, followed by methamidophos. Tree trunk syringes is the ideal new type of pesticide for tree and pest control of trees and trees. It has the advantages of weight, easy to carry, quantitative liquid injection, no environmental pollution and no killing of natural enemies. It is suitable for the protection of trees in tourist areas, especially for the prevention and control of pests and diseases of water-scarce mountainous areas and tall trees.