Related Clues:
- He buzzes, but not with energy!
- Male bee - monotonous hum
- Monotonous sound - member of hive
- Sustained bass note accompanying a melody - male bee
- Queen's attendant doctor and I
- Unmanned flier
- Male wasp
- Honeybees that mate with the queen
- Some small aircraft
- Predator ___
- Stingless male bee
- High-tech surveillance tool
- Plane without a pilot
- Spying aircraft
- Some strike makers