凹唇壁蜂寄生螨安全防治药剂的筛选

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本研究在实验室条件下对凹唇壁蜂Osmia excavata Alfken寄生螨的安全防治药剂进行筛选。通过玻片浸渍法和浸虫法分别室内测定了12种常用杀螨剂和4种常用试剂对凹唇壁蜂蜂茧、成蜂及其寄生螨Tortoniasp.的急性毒力。结果显示,常用药剂中的双甲脒、乳酸、次氯酸钠、冰乙酸杀螨效果较好而对壁蜂和蜂茧的杀伤力低,其对蜂螨的Lc50分别为81.81mg/L,0.06mg/L,0.14mg/L,0.34mg/L;对壁蜂成蜂的LC50分别为170.05mg/L,0.64mg/L,0.31mg/L,0.4
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