I guess I am on the right track then. I check each one of my snakes daily to see if there are any mites on them. To date, each snake has been clear of any mites either in the adult stage or the protonymph stage. As these are the only two stages at which the mites will seek out and begin to feed on the snakes, I feel confident that keeping the humidity levels below the threshold needed for them to molt and go onto the life cycle, has stopped the problem. That does not mean I will rest on my laurels and relax my attention to these nasty creatures. I will continue to monitor each snake on a regular basis. I keep their enclosures and the snake room clean always so I do not understand how the mites got into the room to begin with? I have read that they can be in new substrate which I have used during the time period the mites were noticed. I do not know if this is correct or not but now before I replace the old bedding with the new, I microwave the new bedding for a few minutes to be sure to kill anything that could be possibly be residing within the product...