Learn how to identify a luna moth. Caterpillars go through several instars before creating a cocoon. These instars range from white-and-black striping to green with blue spots on the back.

It takes 70 to 85 days for one of these moths to mature from an egg to an adult, and then it has a lifespan as an adult of only 10 to 12 days. As a caterpillar, it lives and feeds on coniferous trees, ...