I started a new hive this year from a nuc that I bought from a commercial keeper. I opened it a week ago and they had plenty of room it has two deep brood boxes and two suppers on it. It swarmed today 95 degrees and landed 40' up in a big cottonwood. The tree is right over the top of the hive. I placed two empty nucs with frames in them under the tree near the hive they left. Does anybody have any ideas about attracting the swarm to a box?