Varroa Mites (IMAGE) Michigan State University Caption MSU research reveals that Varroa mites, the most-serious threat to honeybees worldwide, are infiltrating hives by smelling like bees. Credit Photo by Zachary Huang 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.