Roswell_fieldwork_Credit_James_reilly (IMAGE) University of Maryland Caption UMD Entomologist Michael Roswell collects bees for a survey of pollination needs in a New Jersey Meadow. He and colleagues found 2.5 to 7.5 times more bee species were important for pollination than previously documented. And rare species were more significant than known. Credit James Reilly Usage Restrictions none License Original 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.