Bumblebee Workers Doing Chores (video) University of Arizona Share Print E-Mail Loading video... Caption This video clip (no audio) shows bumblebees on larval and pupal cells; one bee is cleaning the pupal cell of its wax, exposing some of the silk (the browner patches) that makes up its cocoon. Credit Keith Brust/UA Usage Restrictions This visual may only be used in conjunction of reporting/posting of this news release. Credit must be stated as indicated. 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.