ovicidal

例句：

1. 1. The farmers use ovicidal sprays to protect their crops from pests.
   农民使用杀虫剂来保护他们的作物免受害虫的侵害。
2. 2.The ovicidal agent is effective against many types of insects.
   这种杀虫剂对许多类型的昆虫都很有效。
3. 3. The ovicidal spray was used to control the outbreak of locusts in the area.
   使用这种杀虫剂控制了该地区蝗虫的爆发。