Anciet Bees with Their Pollen Load (IMAGE) Cell Press Caption This photo shows a selection of hymenopterous pollinators with their in situ pollen load from Messel indicative for specific structural and behavioural adaptations of bees; a-b. Electrapis sp. with compactly placed pollen grains situated on the metabasitarsus; c-d. Electrapis sp. with compactly placed pollen grains situated on the metabasitarsus. Without scale. Credit Engel and Wappler FIS MeI 10890 Usage Restrictions Credit Required. 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.