Spotting a house fly infestation is the first step to complete removal. Given the ease with which house flies can multiply, identifying even a single fly can mean a problem is at hand. If you are unsure as to where the flies may be nesting, do a complete search of your garbage, pantries, and pet food bowls. Since house flies prefer dark areas to nest, be sure to check in crevices and underneath appliances where food may have fallen.
Once the breed site has been eliminated, consider fly bait, traps and/or insecticide to eliminate the remaining adult flies. Keeping your home and yard clean, regularly removing garbage and animal waste, and keeping doors and windows screened are all excellent preventative measures.