Hanna’s big sister knows that the ladybirds eat the aphides which live on the rose bushes. The ladybirds are useful insects. If you want to kill ants you have to be very careful. The poison may also kill the useful insects in the garden.

There are ants all over the house. Today Hanna’s dad has decided to do something about it. He is using a spray bottle with ant poison in it. Hanna’s big sister is telling him something.

What is Hanna’s sister telling their dad?