Red Mason Bee (IMAGE) University of Würzburg Caption The researchers studied three mason bee species. One of them was the red mason bee (<i>Osmia bicornis</i>). Credit Photo: Mariela Schenk Usage Restrictions None 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.