When this takes place, you can supplement your treatment program with InTice 10 perimeter bait to assist keep parasites out. InTice 10 is a premium bait which contains boric acid and also will not shed efficacy because of UV rays, warmth, or dampness. You can use a band 2-3 feet around the outside of your house (preventing locations you have actually sprayed with insecticide). 1 pound will treat approximately 1,000 square feet and will last about 90 days.