Scientists have very little information on the cocoon. In China silk worms are a delicacy. When caterpillars are brightly colored they are usually poisonous. Here are a few facts on the last stage, the butterfly. It take about two hours and forty minutes for a butterfly to come out of its cocoon when its ready.
Butterflies have tiny overlapping scales on their wings.
Butterflies closest relatives are moths. Most butterflies have a coiled - tube mouth part called proboscis. It works like a straw, sucking up nectar, sap, and or fruit. This project has been good for us because it taught us about butterflies. If we ever walking and saw a butterfly we would probably know what it was.