Supersedure is the process by which an old queen bee is replaced by a new queen.
From the en.wikipedia.org
Supersedure may be initiated due to old age of a queen or a diseased or failing queen.
From the en.wikipedia.org
This situation is known as emergency supersedure.
From the en.wikipedia.org
In general, the old queen starts laying eggs into queen cups when conditions are right for swarming or supersedure.
From the en.wikipedia.org
Supersedure may be forced by a beekeeper.
From the en.wikipedia.org
However, should the workers sense that the old queen is weakening, they will produce emergency cells known as supersedure cells.
From the en.wikipedia.org
Swarm cells hang from the bottom of a frame while supersedure queens or emergency queens are generally raised in cells built out from the face of a frame.
From the en.wikipedia.org
Emergency supersedure can generally be recognized because the new queen cells are built out from regular cells of the comb rather than hanging from the bottom of a frame.
From the en.wikipedia.org
More examples
Act of replacing one person or thing by another especially one held to be superior
The term queen bee is typically used to refer to an adult, mated female that lives in a honey bee colony or hive; she is usually the mother of most, if not all, the bees in the hive. ...
The act of superseding; The replacing of an old queen bee by a new one; supersession
A natural replacement of an established queen by a daughter in the same hive. Shortly after the young queen commences to lay eggs, the old queen disappears.
A natural process by which a colony of honey bees replaces its present queen with a new one.
When a colony with an old or failing queen rears a daughter to replace her
The natural replacement of one queen by another while first is still alive (without swarming).