Michael Singer, assistant professor of biology, discovered that the wolly bear caterpillar, Grammia geneura, ingests medicinal plants when sick. Posted 08/17/05 When tiger moth caterpillars get a bug, they do what a lot of us do - ingest some medicine and hope it provides a cure. These findings by co-investigators Michael Singer, assistant professor of biology, and Elizabeth Bernays, regents professor emerita of entomology at the University of Arizona, appear in the July 27 issue of Nature. During a study of the caterpillars of two types of tiger moths, known as Grammia geneura and Estigmene acrea, Singer and Bernays…