Queen Bombus Ruderatus (IMAGE) UK Centre for Ecology & Hydrology Caption A queen Bombus ruderatus, the nationally rare bumblebee species featuring in the study, on Red Clover sown in an agri-environment scheme flower mixture. Credit Claire Carvell, Centre for Ecology & Hydrology 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.