Is the professional correct?(1 post)
I hired a pest control professional who came in and sprayed insecticide into the wall and corners of the apartment once a week for three weeks. a week later we found several bedbugs in three areas of the apartmant-- a nymph and three adults of various sizes.
I've asked him to come in and spray again, but he says it is normal to see activity a week after the last treatment, that it takes a while to work. This sounds strange to me, and I wonder if he is correct.
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