A Two-Step Path to Shrinking Worker Bee Gonads (image) PLOS Share Print E-Mail Caption The distinct female castes: a queen (marked in blue) is attended by many worker bees on a wax comb in a honeybee colony. Distinct diets and the switching on of a specific genetic program, as shown in this study, drives caste differentiation. Credit Institute for Evolutionary Genetics, HHU Usage Restrictions CC-BY: Redistribution allowed with credit. 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.