Answer:

drones

Answer	Crossword Clue
DRONES	Speaks monotonously
DRONES	Some hive members
DRONES	Hive residents

DRONES	Bagpipe sounds
DRONES	Goes on monotonously
DRONES	Hive denizens
DRONES	Unmanned planes
DRONES	Buzzes
DRONES	Some bagpipe pipes
DRONES	Pilotless planes
DRONES	Stingless bees

DRONES	Males in the hive
DRONES	Unmanned aircraft
DRONES	Queen's progeny, sometimes
DRONES	Humming sounds
DRONES	Talks monotonously.
DRONES	Motorless planes.
DRONES	Loafers.
DRONES	Bagpipes.

DRONES	Airplanes flown by remote control.
DRONES	Nonworkers.
DRONES	Hums.
DRONES	Noncontributors
DRONES	Hums
DRONES	Bagpipes
DRONES	Nonworkers
DRONES	Hive occupants

DRONES	Queen-bee victims
DRONES	Uses a monotone
DRONES	Stingless, feckless bees
DRONES	Hive idlers
DRONES	Feckless ones
DRONES	Utters monotonously
DRONES	Hive loafers
DRONES	Boring lecturers

DRONES	They have no sting
DRONES	Some reconnaissance craft
DRONES	Plays the bagpipes
DRONES	Hive inhabitants
DRONES	Hive members