Bee Brood in Honey Bee Comb (IMAGE) Arizona State University Caption Researchers at Arizona State University, University of Maryland and Institut National de la Recherche Agronomique in France have found that adult bees use the changing pheromone signals of young bees to adjust their foraging behavior. The increase in pollen collecting behavior linked to young brood may have implications for bee keepers and agricultural crops. Credit Michael Traynor Usage Restrictions Only available to reporters to use with stories connected to this specific release. 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.