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研究了利用氧化乐果乳油（内吸剂）树干刮皮涂环法防治松扁叶蜂幼虫。表明用５０倍机油乳剂兑制的药液比水兑制的效果好、用药量少，且防治适期延长一个龄期。
The use of omethoate EC (endosuppressant) trunk skin scraping ring method to prevent pine needles Larvae. That 50 times with the oil emulsion on the liquid medicine than the effect of water is good, less medication, and the prevention and treatment of an appropriate period of an extension.