The core argument centers on pheromone incompatibility. The theory suggests that the receiving colony may perceive the attendant bees inside the shipping cage as intruders due to their foreign colony scent. This perception can trigger aggressive behavior from the hive's workers directed at the attendants, which puts the queen at risk of being injured inadvertently during the ensuing conflict.
The goal of removing attendants is to eliminate "foreign" targets that provoke fighting inside the cage, ensuring the colony focuses solely on bonding with the new queen.
The Mechanics of Rejection
Foreign Pheromones and Aggression
Worker bees rely heavily on pheromones to identify nestmates. Attendants in a queen cage carry the scent of the apiary or hive from which they originated.
When introduced to a new hive, these attendants are often immediately recognized as "outsiders." This distinction can stimulate defensive behavior in the receiving colony, leading them to attack the cage mesh in an attempt to reach the foreign workers.
The Risk of Collateral Damage
The primary concern is not necessarily that the colony hates the queen, but that the fighting creates a dangerous environment within the small cage.
If the receiving workers are aggressively trying to sting or bite the attendants through the screen, the queen is physically trapped in the middle of this skirmish. The argument for removal posits that by eliminating the attendants, you remove the trigger for this specific type of aggression, keeping the queen safer.
Understanding the Trade-offs
The Risk of Manual Handling
While the theory of removing attendants is sound, the practical application introduces significant risk. Opening a queen cage to release attendants provides an opportunity for the queen to fly away and be lost or to be accidentally crushed during the manipulation.
Pheromone Unification
Opponents of removing attendants argue that the new queen's pheromones are potent enough to quickly unify the scent of all bees in the cage. In many cases, the "foreign" scent of the attendants is overridden by the queen's presence before significant conflict occurs.
Safe Removal Protocols
If you decide that removing attendants is necessary to prevent aggression, it should never be done in the open apiary.
Recent guidance suggests performing this in a closed room with a window. By darkening the room and leaving one window uncovering, you can open the cage; the worker bees (attendants) will fly toward the light, allowing you to safely secure the queen alone before re-caging her.
Making the Right Choice for Your Colony
The decision to remove attendants balances the risk of cage aggression against the risk of losing the queen during handling.
- If your primary focus is safety and risk minimization: Leave the attendants in the cage, as the risk of the queen flying away during removal often outweighs the risk of colony aggression.
- If your primary focus is minimizing potential aggression: Remove the attendants, but only if you can do so in a secure, enclosed space (like a vehicle or room) to prevent the queen from escaping.
Ultimately, whether attendants are present or not, the colony requires time to adjust to the new pheromones before the queen is released.
Summary Table:
| Factor | Keeping Attendants | Removing Attendants |
|---|---|---|
| Pheromone Impact | May trigger aggression due to foreign scent | Minimizes defensive behavior from hive workers |
| Queen Safety | Risk of injury during cage skirmishes | Eliminates "intruder" targets within the cage |
| Handling Risk | Low; no need to open the cage | High; queen may fly away or be crushed |
| Primary Goal | Convenience and nurse support | Maximum reduction of initial colony rejection |
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