The World

Ode to Caterpillars

Dave Wagner literally wrote the book on caterpillars. We head into the field with the biologist to learn why he calls the larvae truly wondrous.

Some people look at caterpillars and see creepy crawlers. Others, like biologist Dave Wagner, look at caterpillars and see gorgeous creatures that play an essential role in nature’s biodiversity. Producer Laurie Sanders has this profile.