Prior to the introduction of Varroa mites in the United States, bacterial diseases, namely American Foulbrood, were the most serious threats to the beekeeping industry. Two foulbrood diseases are present in Hawaii with the potential to significantly impact the beekeeping industry on all of the islands. Consistent monitoring for disease is essential to stop infections before they spread to other colonies in your apiaries, or to neighboring apiaries as a result of drifting or robbing bees.