Glossary
A young worker bee between 3 and 12 days old whose primary role is feeding and caring for developing larvae in the brood nest. Nurse bees produce royal jelly and brood food from their hypopharyngeal glands and visit each larva hundreds of times daily.
Honey bees progress through a series of jobs as they age, a system called age polyethism. A newly emerged worker spends her first few days cleaning cells and warming brood. From approximately day 3 to day 12, she becomes a nurse bee: her hypopharyngeal glands develop fully, and she begins producing the proteinaceous secretions that feed developing larvae.
A nurse bee visits each larva an estimated 1,300 times during its 6-day larval development period. The youngest larvae (days 1-3) receive pure royal jelly. Older worker-destined larvae receive a mixture of royal jelly, pollen, and honey called "worker jelly." Queen-destined larvae continue receiving pure royal jelly throughout their development. The nurse bee checks each larva, assesses its needs, and deposits precisely the right amount and type of food.
The hypopharyngeal glands that produce royal jelly and brood food are located in the head of the worker bee. These glands peak in development around day 6 to 10 of the bee's adult life. To produce brood food, nurse bees consume large quantities of pollen (or bee bread) to fuel protein synthesis. A colony with inadequate pollen stores cannot produce enough nurse bees with fully developed glands, which directly limits brood rearing capacity.
After the nursing phase, workers transition to wax production, comb building, honey processing, guard duty, and eventually foraging. However, this progression is flexible. If the colony loses its foragers (to pesticides, for example), nurse-aged bees can accelerate their development and begin foraging early. Conversely, older bees can revert to nursing if the colony needs more brood care. This plasticity is one of the colony's survival advantages.
Nurse bees produce brood food (including royal jelly) from their hypopharyngeal glands. They visit each larval cell, assess the larva's needs, and deposit food directly. Each larva is visited over 1,000 times during its development period.
Yes. Nurse bees have functional stingers like all worker bees. However, they spend their time deep in the brood nest and rarely encounter situations that trigger defensive stinging. Foragers and guard bees are much more likely to sting during an inspection.
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