What disease is caused by the bacterium Paenibacillus larvae?

The disease caused by the bacterium Paenibacillus larvae is American Foulbrood. This disease affects the larvae of honeybees, leading to high mortality rates and posing a significant threat to bee colonies. The bacterium can spread rapidly through hive contamination and is often resistant to chemical treatments, making management challenging for beekeepers.

American Foulbrood is characterized by the presence of sunken, darkened brood cells, and the larvae often have a characteristic twisted appearance. It is crucial for beekeepers to be aware of this disease because it can lead to the complete loss of a colony if not treated properly. This underscores the importance of monitoring hives for signs of disease and the necessity for proper biosecurity practices to prevent the spread of pathogens within apiaries.

Understanding the specific pathogens that affect honeybees allows beekeepers to implement effective management strategies, ensuring the health and productivity of their colonies.