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.

As a chrysalis, some of the caterpillar's organs dissolve. Groups of special cells divide and multiply to form wings and other adult body parts.

What you see on the caterpillar aren't eggs. But first a bit about this pest. The tomato hornworm is one of the largest caterpillars seen in the garden, reaching lengths of 4 inches or more by the ...

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.

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 ...