Bedbugs (IMAGE) Iowa State University Caption Bedbug infestations have re-emerged as a national and worldwide problem over the past 20 years. Credit Photo by Stephen Ausmus, USDA Agricultural Research Service. Usage Restrictions None 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.