Can Bees Reject a Queen?
Honey bees (Apis mellifera) live in complex societies, ruled by a single female, the queen bee. But can a colony reject their queen, and what would be the consequences of such a decision? Let’s explore this fascinating phenomenon.
Can Bees Reject a Queen? Yes, They Can!
Worker bees are responsible for deciding the fate of the queen bee. If a queen bee is not deemed fit for rule, worker bees will either kill or evict her. Rejection of a queen is usually caused by an invasive or abnormal queen bee.
Types of Rejections:
- Kill and eat: Worker bees kill and devour the old queen before accepting a new one. This is more common when the queen’s age reaches her maximum life expectancy of around 4 years.
- Leave behind: Some colonies reject an older queen by creating a "supersedure cell", allowing her to die naturally and reducing colony costs.
Why Would a Queen Be Rejected?
• Aggression towards worker bees: An older, aggressive queen can trigger attacks from her own colony members.
• Pheromone imbalances: Changes in queen pheromone production can confuse worker bees and cause colony unrest.
• Inbreeding and weak lineage: A weak, inbred queen may lead to poor colony performance, vulnerability to diseases, and worker bees’ decreased confidence.
How Do Bees React When a Queen Is Killed?
• Instant supersedure: After removing an old or defective queen, worker bees raise multiple queen replacements, called larvae, to create a new queen lineage.
• Requeenment process: Once a queen replacement is successfully installed, workers will recognize the pheromone difference, resulting in the gradual departure of the replaced queen and increased acceptance of the new queen.
In Concl…
Beekeepers Take Note: A Healthier Queen Equals a Thriving Colony
The successful rejection of a queen ensures a healthy colony. Properly managing queens in aparies is essential, considering the queen bee plays a critical role in maintaining a balanced and stable social structure within the hive.
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