Bees (1 of 2) (image) Penn State Share Print E-Mail Caption The researchers maintained their bumblebee colonies in nest boxes in the laboratory. They supplied the insects with a sugar solution and fresh pollen collected from honey bee colonies. Credit Mario Padilla, Penn State Usage Restrictions Non commercial use only Share Print E-Mail 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.