Harris Cricket Traps works for crickets, spiders, roaches, and other crawling insects. Easy to assemble and use. Place behind furniture and under cabinets or sinks. For residential and commercial use as a monitoring and detection device after a treatment has been completed.How to Use Harris Cricket Traps House Crickets can live and survive indefinitely in a house, hence their name. Known for their very loud and noticeable chirping noise, which is created from the male rubbing their front wings together to attract their female mate. How to Identify a House Cricket? The adult crickets color is a light yellowish brown, and they will have three dark crossbands on their head. Finding one or two crickets inside does not indicate a severe problem. Crickets are drawn to warm, moist environments within a structure, such as basement. How to Prevent Crickets in Your Home? The best method once they are inside your home is to trap and dispose of them. Prevention and reduction of the ideal locations will help prevent their entry into your home. Keep the lawn mowed and plants and weeds under control close to the house. Make sure to address any areas that have excessive ongoing moisture issues. You will want to try and seal up your house as best as possible. Apply a good residual Home Bug Spray to the perimeter of the home will help prevent crickets and other insects from surviving in your home.