If you find a bee swarm, the most important thing to do is leave it alone. While swarming bees are not particularly aggressive they will still sting when disturbed. DIY attempts at removal or destruction have ended poorly for all involved.  Additionally, if the bees in question are Africanized Honey Bees, they can be even more aggressive even when swarming. Swarming bees may be a startling sight, but they are a relatively benign part of the life cycle of a hive. If you have serious concerns about swarming bees, give PURCOR a call.