The temperature of recovery room must be controlled at and the illumination keep glimmering. The mortality will be registered after 9 hours. The topical application is dropping .7HL pesticides on the tergum of fro-thorax or abdomen.
The temperature of recovery room must be controlled at and the illumination keep glimmering. The mortality will be registered after 9 hours. The topical application is dropping .7HL pesticides on the tergum of fro-thorax or abdomen.
点滴法：选意蜂采集工蜂为试虫、每组～0只，重复 次、低温或不处理为试验前处理方法、0％的蔗糖或蜜水饲喂，在前胸背板处或腹部背板点.7μL药液、恢复室温度控制在±℃、光照条件为微光、观察记录8h死亡率。