Michael Scharf, Purdue University (IMAGE) Purdue University Caption Michael Scharf eyes a group of eastern subterranean termites, destructive pests in Indiana and the Eastern US. Credit (Purdue University / Tom Campbell) Usage Restrictions Please credit as (Purdue University / Tom Campbell) License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.