Do you have a spider problem?
Check out Big Al the Bug Man's tips for spider control
Begin this treatment by concentrating on the perimeter of the house. Check the lighting outdoors and try to switch to yellow lights. The less insects you attract to the house the less problems you will have with spiders, lizards, scorpions and centipedes. Spiders and the rest of the guys are predators, they help us keep the population of insects down. Treating areas where spiders rest and hide with a good residual will also knock the population level down. Also, remove any spiderwebs you see when you are treating.