Hung from Rockford, Il writes
Yes, Bifen IT is an excellent option for boxelder bugs. Be sure to spray around the perimeter of the home, around windows, doors, etc. where the bugs could get indoors. You should treat once a month until the first frost. This product can also be used indoors around the perimeter of your home. The mixing ratio is 1 fl. oz. per gallon of water.
Answer last updated on: 11/23/2018