I've caught several swarms this year, but mostly in two locations repeatedly. I was checking one of them this morning and there were about 8-10 scouts, I believe, checking out the trap before moving in. They apparently not moved in because the bees were not actually coming and going or bringing in pollen etc, just buzzing around the entrance, crawling in a circular movement around by round entrance hole, wiggling their body and flicking their wings while advancing with jerky movements. Then they would go in the box and come right back out as though they were measuring the entrance and interior for size. It even appeared that they were doing a little dance on the front of the box and then communicating with each other like they were "discussing" the potential. I am expecting them to move in very soon now if it goes like my observations of the other scouts in the past I've watched. Very interesting to see them acting totally different than a colony of bees that live in an established hive. Any of you ever see them doing something similar to this?