Spanworms are small, soft creatures that can turn into flying insects. They eat plants and can harm them.
People don't like spanworms because they can damage plants.
Examples:
The spanworms eat the leaves on the tree.
I saw a lot of spanworms on the plants in the garden.
The farmer doesn't like spanworms because they eat his crops.
The spanworms are like tiny caterpillars.
There are so many spanworms, they can eat all the plants in the garden!
The spanworms turn into pretty butterflies when they grow up.