Vergoz et al. (p.348 see the Perspective by Galizia) found that exposure to queen pheromone leads to a reduction in aver蜂后能分泌一种生化信息素，它能降低工蜂的亲疏能力但并不降低他们的生产能力，即让别人的孩子认她为亲，为她干活。