Q. I’ve had a problem with a couple of bed bug jobs. I will have my customers prep their home and then schedule treatments at two-week intervals. Afterwards, the homeowner will go a month with no bites or sightings. Then, out of the blue, they will call about finding a dying bed bug. I think it was there the whole time and just taking time to die. Do you know how or why this happens?
— Mike, OH
A. One reason could be that a bed bug harborage was overlooked during treatment. Even if you’ve done your best, that’s just the nature of bed ...