A cocoon is distinct from both a pupa and chrysalis. It is a hard, silk shell that a moth larva weaves around itself before it enters the pupa stage of metamorphosis.

Contrary to popular belief, a chrysalis is not a pouch or a sac — it's actually the caterpillar's own body! During metamorphosis, the former caterpillar releases digestive juices that dissolve ...

Contrary to popular belief, this is not a cocoon. Only certain moths build cocoons, which are like a silky sleeping bag that covers the insect. This, on the other hand, is what's called a chrysalis.

It is hard to confuse a 40-ton excavator with a crystal ball. But forecasters could do worse than tracking retail sales of the huge, yellow machines sold by Caterpillar Inc.CAT-1.08%decrease; red ...

A new caterpillar has been discovered with the unique ability to make its cocoon out of flakes of dried resin - a sticky substance exuded from trees that hardens over time.

Click here to read the full report! The article Caterpillar Is Not Coming out of Its Cocoon originally appeared on Fool.com. Fool contributor Rich Duprey has no position in any stocks mentioned.