Uniting bee colonies
Beekeepers use many methods to unite bee colonies, and some very violent ones demonstrate a clear lack of respect for the bees. The only advantage of such methods is their speed, but they pay little attention to what happens to the queens, the foragers, and the bees in general. The gentlest and most commonly used method is very probably the “superposition” method. This procedure is relatively simple, accessible to both beginner and experienced beekeepers, and if the few rules discussed in this article are respected, the uniting of colonies should proceed without any problems.
Uniting honey bee colonies – the newspaper method
Combining honey bee colonies is a common but sensitive beekeeping practice. It is used to rescue queenless or weak colonies, to make use of a young queen, or to create a colony strong enough for overwintering. Poor execution may result in fighting, heavy bee losses, or the death of valuable queens.
The safest and gentlest technique is the newspaper (superposition) method. Its key principle is that only one queen must remain. The beekeeper therefore removes the less desirable queen, usually keeping a young, well-performing, laying queen.
Both colonies are scented with the same odor (for example warm sugar syrup with anise) to blur colony-specific pheromones and reduce aggression. A double sheet of ordinary newspaper, spread with honey between the layers and pierced with many very small holes, is placed between the two hive bodies. The hives are then stacked one on top of the other.
Over several hours, usually during the night, the bees gradually chew through the paper while exchanging odors and queen pheromones. The actual meeting of the two populations typically occurs 4–8 hours after stacking and is usually peaceful. The operation should be done in the evening, in cool weather, when all foragers are inside the hive. If both colonies originate from the same apiary, moving the combined hive more than 3 km is recommended to prevent loss of foragers.
Common causes of failure include leaving a colony queenless for too long, the presence of a second queen, unsuitable newspaper, daytime reunions, or attempting to unite stressed or diseased colonies.
In summary, successful colony unification depends on proper queen selection, correct timing and a slow, controlled merging process. When done correctly, the newspaper method is highly reliable and bee-friendly.
See also:
- Practical Guide: 4.7.1 Uniting Colonies
- Renewing Colonies and Queens
- How to Introduce Queens?
- The Queenless Drone-Layer Colony
- Shaken Swarm
- Practical Guide: 4.3 Overwintering