Getting Rid of Invisible Biting Bugs?
Sounds like you have no see ums, also called bitting midgets. Very hard to see but wicked! I have them and they are driving me crazy! Look this up and see if you have any of the symptoms it list. I bet thats what you have because you can not get rid of them...
Getting Rid of Microscopic Mites (No See 'ems)?
I am having the very same problem and no one believes me. I have gone thru 4 exterminators and 2 of them told me I was crazy that there was nothing in my house and they could not treat what they did not see! I was so mad I could have punched them! All of them...