Table of Contents
- The Queen’s Function in the Hive
- How a Queen Bee Is Made
- Development Inside the Queen Cell
- Mating and Sperm Storage
- Where the Queen Stays in the Hive
- Why the Queen Leaves the Hive
- Queen Replacement and Supersedure
- Causes of Queen Death and Failure
- What Happens After the Queen Dies
- Conclusion
- Related Beekeeping Guides
- References
1. The Queen’s Function in the Hive
The queen bee is the main reproductive female in a honey bee colony. Her chief function is egg production. She lays fertilized eggs that become workers or queens and unfertilized eggs that become drones. A queen can produce more than 1,000 eggs per day during periods of brood growth, though output changes with season, food supply, colony size, queen age, and worker care. The queen does not direct each worker or control hive tasks as a human leader would. Workers build comb, feed brood, gather food, defend the nest, regulate heat, and care for the queen. The queen supports colony order through egg production and pheromones. Workers touch, groom, and feed her, then carry queen pheromones through the colony. These chemical signals announce her presence and reproductive state, support worker sterility, and affect queen-cell construction, brood care, and other colony responses. [1][2]
2. How a Queen Bee Is Made
A queen and a worker can come from fertilized eggs with the same sex and the same number of chromosome sets. The difference arises during larval development. Workers select a young female larva and place or keep it in a queen cell. Nurse bees supply that larva with a diet that supports queen development. The queen cell hangs down from the comb and provides space for the queen’s abdomen and reproductive organs to form. Colonies raise queens under three main conditions. They may prepare queen cells before swarming, raise an emergency queen after the queen is lost, or replace a queen through supersedure when workers detect a decline in her reproductive output or signals. Beekeepers also produce queens by moving young larvae into queen cups, a method known as grafting. The source colony, larval age, nurse-bee population, food supply, and cell-building conditions can affect the queen that emerges. [1][3][4]
3. Development Inside the Queen Cell
Queen development takes less time than worker or drone development. The egg stage lasts about three days. The larva receives food from nurse bees and grows inside the queen cell. Workers cap the cell, and the larva spins a cocoon and enters the pupal stage. The queen emerges about sixteen days after the egg was laid, though heat and colony conditions can cause some variation. A queen may cut a round opening at the end of her cell when she emerges. When several queen cells exist, the first queen to emerge may sting queens that remain inside their cells. Queens that emerge at the same time may fight until one remains. Workers can affect the outcome by guarding cells, releasing queens, or supporting swarms. The new queen is called a virgin queen because she has not mated. Her abdomen has less mass than that of a queen that has begun egg production, which allows her to fly during the mating period. [3]
4. Mating and Sperm Storage
A virgin queen often remains in the hive for several days while her flight muscles and reproductive system mature. She then leaves on one or more mating flights when weather permits. She mates in flight with drones from colonies in the area. Queens mate with more than one drone, which supplies genetic variation among workers in the colony. Semen enters the queen’s reproductive tract, and sperm move into an organ called the spermatheca. The queen stores sperm there and uses small amounts to fertilize eggs over the rest of her reproductive life. After mating, changes occur in her ovaries, behavior, and pheromone production. She returns to the hive and begins laying eggs after a period that can vary with weather, mating success, and colony conditions. A queen that fails to mate because of rain, cold, predators, drone shortage, injury, or age may remain unmated and lay only drone-producing eggs. [1][5]
5. Where the Queen Stays in the Hive
After mating, the queen spends most of her life inside the hive on comb near the brood nest. Workers prepare cells, feed her, groom her, and remove waste. She moves across the comb and places an egg in a cell after checking it with her antennae and front legs. During spring buildup, she may move across several frames as the brood nest expands. During cold periods, egg production may fall or stop, depending on climate and colony condition. The queen stays within the winter cluster and receives heat and food from workers. Beekeepers often find her near eggs and young larvae, but she may move away from light, smoke, comb disturbance, or inspection pressure. Her long abdomen can make movement across comb appear slow, but she can pass between frames and move to another box when brood space changes. [1][2]
6. Why the Queen Leaves the Hive
A queen leaves the hive for mating flights and for swarming. A virgin queen must leave to meet drones unless a beekeeper uses instrumental insemination. A mated queen can leave with a swarm when the colony divides. Before a swarm, workers build queen cells and reduce the resident queen’s food intake, which lowers her body mass and supports flight. The queen departs with a group of workers and lands near the parent hive while scout bees search for a nest site. The parent colony keeps brood, stores, workers, and one or more queen cells. A virgin queen may also leave with an afterswarm when a colony produces more than one swarm. Queens do not leave the hive to gather pollen, nectar, water, or propolis. A queen found outside the hive apart from mating or swarming may have been driven out, dropped during an inspection, rejected after introduction, injured, or removed with a cluster of bees. [1][6]
7. Queen Replacement and Supersedure
Workers can replace a queen without producing a swarm. This process is called supersedure. The colony raises one or more queens while the resident queen remains present. Workers may respond to changes in pheromone output, brood pattern, egg supply, mating quality, sperm condition, injury, disease, or age. A daughter queen may emerge, mate, and begin laying while the former queen remains in the hive for a short period. In some colonies, both queens may lay eggs before one disappears. Supersedure differs from emergency queen production because an emergency starts after queen loss or a break in queen signals. It also differs from swarm preparation because the colony does not divide as part of the replacement. A poor brood pattern can signal queen trouble, but disease, chilled brood, food shortage, pesticide exposure, and hygienic removal of brood can also create gaps. Beekeepers should inspect eggs, larvae, brood condition, food, and mites before deciding that requeening is required. [2][7]
8. Causes of Queen Death and Failure
A queen may die from age, injury, disease, heat, cold, pesticide exposure, poor mating, sperm loss, starvation, handling, rejection, or attack by workers. She can be crushed when frames are moved, harmed during shipment, or killed when a new queen is introduced without a sound acceptance process. Workers may surround and sting a queen whose odor differs from the colony’s accepted queen signal. This behavior is called balling. Heat stress can harm stored sperm, while low sperm number or loss of sperm viability can cause a queen to produce more drone brood and fewer workers. Pathogens and parasites can affect queen health, though the effect differs among organisms and exposure conditions. Research has also found queen-development and sperm effects after some pesticide exposures, but results cannot be applied to every pesticide or field event. A queen may live for several years, yet many managed colonies replace queens before that point because reproductive output or colony acceptance has declined. [1][5][7][8]
9. What Happens After the Queen Dies
When the queen dies, her pheromone supply declines. Workers may detect the loss within hours. If the colony has eggs or young female larvae, workers can build emergency queen cells and raise a replacement. The new queen must emerge, mature, mate, return, and begin egg production, so the colony faces a break in worker brood. If no young female brood remains, the colony cannot raise a queen without help from a beekeeper. After a long queenless period, some workers may activate their ovaries and lay unfertilized eggs. These eggs produce drones, not workers. Multiple eggs in cells, eggs on cell walls, and drone brood in worker cells can indicate laying workers, though a new queen may also place more than one egg in a cell during her first days of laying. Without a queen or beekeeper action, the worker population falls and the colony dies because no replacement workers enter the hive. [7]
10. Conclusion
The queen provides the eggs and chemical signals that support colony reproduction and order. Workers create her from a young female larva through queen-cell construction and nurse-bee feeding. After emergence, she leaves for mating flights, stores sperm, and spends most of her life in the brood nest. She may leave again during a swarm. Age, mating failure, sperm damage, disease, pesticides, temperature stress, injury, handling, and worker rejection can end her life or reproductive function. A colony can replace her when young female brood remains, but queen loss without replacement leads to population decline. Understanding queen development and behavior helps a beekeeper separate queen failure from brood disease, food shortage, mite damage, and other hive problems.
Related Beekeeping Guides
Beekeeping the Right Way for Pollination and Colony Stability (Pillar)
https://hatchiseeds.com/pillar-beekeeping-the-right-way/
Large Beekeeping Systems Pillar: Stability and Performance Optimization of Colonies
https://hatchiseeds.com/large-beekeeping-systems-pillar/
Advanced Beekeeping: Productivity and Colony Health
https://hatchiseeds.com/bee-colony-health/
Insects and Pollinators — USDA Natural Resources Conservation Service
https://www.nrcs.usda.gov/conservation-basics/animals/insects-pollinators
12. References
[1] Niño, E. L., Malka, O., Hefetz, A., Tarpy, D. R., Grozinger, C. M. (2019). Putative Drone Copulation Factors Regulating Honey Bee Queen Reproduction and Health. Insects, 10(1), 8.
[2] Hoover, S. E. R., Keeling, C. I., Winston, M. L., Slessor, K. N. (2003). The Effect of Queen Pheromones on Worker Honey Bee Ovary Development. Journal of Chemical Ecology, 29, 2377–2388.
[3] Penn State Extension. An Introduction to Queen Honey Bee Development.
[4] Penn State Extension. Queen Cell Production: Grafting and Graft-Free Methods.
[5] Baer, B., Collins, J., Maalaps, K., den Boer, S. P. A. (2016). Sperm Use Economy of Honeybee Queens. Ecology and Evolution, 6(9), 2877–2885.
[6] Schneider, S. S., DeGrandi-Hoffman, G. (2008). Queen Replacement in African and European Honey Bee Colonies With and Without Afterswarms. Insectes Sociaux, 55, 79–85.
[7] Amiri, E., Strand, M. K., Rueppell, O., Tarpy, D. R. (2017). Queen Quality and the Impact of Honey Bee Diseases on Queen Health. Insects, 8(2), 48.
[8] Rangel, J., Fisher, A. (2019). Factors Affecting the Reproductive Health of Honey Bee Queens. Insects, 10(9), 297.