Those plants look nice and the flowers will bring helpful insects like bees to the garden.

那些植物看起来都很漂亮，而且花会把蜜蜂等有益昆虫带到花园里来。

Treat the plants early in the morning or at night, when helpful insects, like bees and butterflies, are inactive.

在清晨或晚上，即当蜜蜂和蝴蝶等益虫不活跃的时候，处理这些植物。

They have planted beautiful gardens and they are happy to see helpful insects like bees and butterflies surrounding the flowers.

他们种植了美丽的花园，他们很高兴看到蜜蜂和蝴蝶等益虫围绕着花朵。

They must come in direct contact with the pests, and they become safe for helpful insects once they have dried.

它们必须与害虫直接接触，一旦这类杀虫剂变干，对益虫来说就安全了。

It might hurt, but consider removing flowers from the plant to lessen the risk that helpful insects will come in contact with the pesticide.

这样做可能会有损害，但可以考虑将花从植株上摘下来，以减少益虫接触杀虫剂的风险。

Firms that produce pesticides, and the authorities that regulate them, are aware of the importance of bees to food production, and new products must be tested to make sure they are not fatal to helpful insects.

杀虫剂生产厂家和管理他们的机构意识到蜜蜂对食品生产的重要性，新产品要经过检测，保证它们不会对有益的昆虫造成致命伤害。