Home Defense Backyard Mosquito and Bug Killer Ready-To-Spray allows you to protect your lawn and landscape from mosquitoes that may transmit diseases like Zika and West Nile, as well as ticks, fleas, and over 200 other insects. Just hook it up to your hose and spray following label directions. Starts killing within minutes. 3 month protection against ants, fleas, American dog ticks, and spiders (excluding black widows). Treats up to 5,300 sq. ft.