Truck Spray Missions 7/31/2019 Beach Mosquito Control District will be conducting spray missions by truck Wednesday morning weather permitting. The areas to be treated for adult mosquitoes are zones 1 & 5. Spray missions begin at about 2:00 a.m. and continue until about 6:30 a.m. To see what zone you live in, or to request a service request online, please click here.