Adult Mosquito Spray Calendar June 2025 1 2Ground Based (Truck) Spraying for Adult Mosquitoes; Richland and West Richland 3Postponed: Aerial (plane) Spraying for Adult Mosquitoes; Grandview, Mabton, Richland, and West Richland 4Aerial (plane) Spraying for Adult Mosquitoes; Grandview, Mabton, Richland, and West Richland 5 6 7 8 9 10 11Ground Based (Truck) Spraying for Adult Mosquitoes; Prosser 12 13 14 15 16 17Ground Based (Truck) Spraying for Adult Mosquitoes; Prosser 18 19Ground Based (Truck) Spraying for Adult Mosquitoes; Prosser, Richland, and West Richland 20 21 22Postponed to Tuesday: Aerial (plane) Spraying for Adult Mosquitoes; Grandview, Mabton, Prosser, and Richland 23Aerial (plane) Spraying for Adult Mosquitoes; Grandview, Mabton, Prosser, and Richland 24Aerial (plane) Spraying for Adult Mosquitoes; Grandview, Mabton, Prosser, and Richland 25 26 27 28 29 30 1Ground Based (Truck) Spraying for Adult Mosquitoes; Benton City and West Richland 2Ground Based (Truck) Spraying for Adult Mosquitoes; Prosser and Grandview 3 4 5
