For six weeks, luna moth caterpillars gorge themselves on the leaves of the marula tree. Then, when they're ready, they instinctively weave giant cocoons around themselves in preparation for their ...

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 cells ...

A Jeremy Hemberger, department of entomology at the University of Wisconsin-Madison: Caterpillars start out as tiny creatures. In the beginning they eat lots of food — just like the book “The Very ...