What is unique about the way bees see?
Bees can see ultraviolet colors that humans cannot see. This allows them to identify flowers that may have a lot of nectar.
'Killer bees' is a name thought up by the media. They are properly called Africanized bees and what makes them unique is that they are much more aggresive than other bees and will sometimes attack animals and humans without provocation, whereas other bees will usually only attack if they are threatened in some way and they will then attack in self defence.
Does the BugZapper have to be in the way of the hive access or does its blue light actually attract bees?
You can tell that bees may have become africanized by how "hot" a hive is, meaning that the bees becomes very violent with a lot of bees trying to sting you and chasing after you long distances, but this does not necessarily mean that they have become africanized. The only way to truly confirm that they are africanized is that you send some dead bees to a lab to have its wings measured as africanized…