The queen bee, a, is an insectoid monster in NetHack. Found only within beehives, they are exceedingly fast and can be deadly to an unprepared player, especially when the killer bees that surround them are taken into account.
The following information pertains to an upcoming version (NetHack 3.7). If this version is now released, please verify that it is still accurate, then update the page to incorporate this information.Killer bees can now eat royal jelly to become queen bees if no queen already exists on the level. Pet killer bees will actively seek out nearby royal jelly to do this. This will kill them if queen bees are genocided.
A beehive is part of the Wizard's Tower, and as such a queen bee will always be generated, along with her entourage of killer bees, unless you have decided to genocide either the specific glyph (blessed scroll of genocide) or the specific monster (uncursed scroll).