Experimental Communities (IMAGE) University of Exeter Caption Using insects, the research team set up experimental communities with complex food webs in 40 four-square meter outdoor field-cages. Credit University of Exeter Usage Restrictions Use with credit 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.