Hubby sprayed them a few weeks ago, but yesterday, they took up residents underneath the breeding pens enough so that there was a small swarm starting. I went out and tried to spray the best I could but have a feeling they will be back. frightened of bees myself, but could not check the feed in the breeding pens because of this swarm, plus, I smelled like vanilla to keep the mosquitoes away as it was. Hubby sprayed again after he got home so I got the chores done but OMG, is there a better way? I am assuming that I will have to tear off the bottom metal panel under the doors this winter to check for the hive. Does anyone know if bees move on over winter or if they hibernate int he hive?