Caterpillars

How do you know that a catterpillar has visited the leaf?
How does the caterpillar appear?What is the effect of the caterpillar on the leaves?How do you tell if slugs are eating your plants?How long do cater...
What is the best thing to use as a home for a catapillar?
Ideas for an enclosed caterpillar home include old fish tanks or small aquariums with a screen lid, large glass or clear plastic containers with holes...