Bombus impatiens on Vaccinium corymbosum (image) University of Massachusetts at Amherst Caption Several bees are known to vector mummyberry disease (Monilinia vaccinii-corymbosi), an economically important plant pathogen, to blueberry flowers. At the same time, bees can transmit their own pathogens, such as Crithidia bombi (see photo below) at flowers. Credit Scott McArt, UMass Amherst Usage Restrictions None 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.