Bob Robbins appears in the following:
Friday, September 07, 2012
Monarch butterflies have started to make their long journey south to Mexico. On this week’s Please Explain, we’ll find out about the many different species of butterflies—from their coloring to their attraction to flowers to their cocoons. We’re joined by Bob Robbins, Curator of Lepidoptera, Smithsonian Institution National Museum of Natural History, and Dr. Cole Gilbert, Associate Professor of Entomology at Cornell University.