Check out this video of a swarm that entered a nuc on my back picnic table a couple of days ago. The combs had some wax moth larvae and I had put the nuc back there to clean up and throw away the combs. Later noticed lots of bees around the house and suspected a swarm. Sure enough, when I looked back at the nuc it was filling up with bees...
When a swarm comes to you
Newcomers to our bee meetings often ask if it's easy to catch a swarm. As Bryan in Puerto Rico writes on our Yahoo group, sometimes it's very easy indeed: