Among highly sociable stingless Brazilian bees, a quarter of males—who can develop from unfertilized eggs—were found to be the sons of workers and not of the queen; because worker bees put the colony at risk when they choose to reproduce rather than work, the queen often eats their eggs.
Among highly sociable stingless Brazilian bees, a quarter of males—who can develop from unfertilized eggs—were found to be the sons of workers and not of the queen; because worker bees put the colony at risk when they choose to reproduce rather than work, the queen often eats their eggs.