I feel a need to double check this. I found a couple mud tubes going into a wall along with some minor damage to some paneling inside. I removed the paneling, sprayed some termite killer in there and scraped off the mud tubes.
My belief is that termites always return to the nest through those tubes. If I remove the tubes, what happens to those left in the wall that may not have been killed? Do they attempt to return home or do I need to worry about them living in the wall for an extended period of time?
Note that I have put bait traps in the ground and sprayed the wall on the outside, too.