Recently we have had several folks come to our Lawn and Garden Help Desk to have these insects identified. Unfortunately, we have to tell them they are subterranean termites. Not what you want to hear if they are swarming in your house.
Subterranean Termites Swarming
To learn more about subterranean termites see this link: http://edis.ifas.ufl.edu/ig097
Here is a link to information about termite baits: http://edis.ifas.ufl.edu/mg363