Abstract: Objective To test the effectiveness of 10% permethrin Sc against termites.Methods Absolving the wood with 10% permethrin and contacting method.Results The efficacy of 10% permethrin against Coptotermes formosanus was better.The LC₅₀values for 24 h,48 h and 72 h were 83.02,27.44 and 7.94 ppm,respectively.The LC₉₅ values for 24 h,48 h and 72 h were 1016.99,444.31 and 170.27 ppm,respectively.Conclusion It was indicated that 10% permethrin Sc could be an effective insecticide for wood termites control.

摘要： 目的筛选木材防白蚁药物。方法浸泡法与接触法。结果经10%二氯苯醚菊酯浸渍的松木板处理台湾乳白蚁(Coptotermes formosanus),表现出较强的毒杀作用,24、48、72h的LC₅₀分别为83.02、27.44、7.94ppm,LC₉₅分别为1016.99、444.31、170.27ppm。结论10%二氯苯醚菊酯对台湾乳白蚁具有良好的毒杀作用,是木材预防白蚁的理想药剂。

关键词: 10%二氯苯醚菊酯, 台湾乳白蚁, 生物测定