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Miami-Dade County to perform aerial spraying for mosquitoes in Miami Beach

Spraying is based on recommendations from the CDC, the Office of the Governor, the Florida Departments of Health and Agriculture and Consumer Services and is scheduled to begin September 8

MIAMI (September 06, 2016)

The U.S. Centers for Disease Control and Prevention (CDC), the Office of Governor Rick Scott, and the Florida Departments of Health (FDOH) and Agriculture and Consumer Services (FDACS) have recommended aerial mosquito treatments over a 1.5-square-mile area in Miami Beach to control and reduce the number of Aedes aegypti mosquitoes, some of which have previously tested positive for Zika, and may be capable of spreading the virus.

Miami-Dade County’s Department of Solid Waste Management (DSWM), through its contractor, is scheduled to conduct adulticide mosquito control aerial spraying operations beginning Thursday, Sept. 8, during a 30-minute window from 5:00 a.m. to 5:30 a.m., weather-permitting.  (A map of the spray area will be provided later today.)

“Although we had concerns about spraying in Miami Beach due to its unique topography, high-rise buildings and construction sites, we have received reassurances from the CDC, Governor Rick Scott’s Office, the Florida Department of Health and the Department of Agriculture that this is the right and safe thing to do at this time,” said Miami-Dade County Mayor Carlos Gimenez. “As we have since the beginning, we will continue to follow expert recommendations. Our goal is to reduce the adult mosquito population in Miami Beach. We have been advised to begin adulticide aerial spraying now, and to continue eliminating mosquito breeding on the ground through ongoing inspections and treatment with larvicide. We were able to significantly reduce mosquito counts and break the cycle of Zika transmission for now in the area north of downtown using a similar protocol, and we are confident that our efforts can be equally successful in Miami Beach. We will keep the number of adulticide missions to a minimum on school days, and parents may prefer to keep students indoors until 6:30 a.m. following aerial spraying.”

The aerial spray program, which will use the EPA-registered pesticide naled, will be performed in conjunction with an aggressive ground mosquito control campaign which includes residential and commercial inspections, abatement and ground treatment. DSWM Mosquito Control recently completed a seven-day test period for state-of-the-art equipment which will be used in the ground assault on mosquito larvae. Miami-Dade County is one of the first jurisdictions in the United States to conduct larvicide spraying utilizing recently acquired Buffalo Turbine equipment. The truck-mounted equipment is designed to apply the larvicide Bacillus thuringiensis israelensis (Bti) to eliminate mosquito larvae. Truck larviciding activities were initiated on Tuesday, Sept. 6, and are scheduled to continue on a weekly basis in rotation with aerial treatments for the next four weeks. 

While it is not necessary to take any special precautions during aerial spraying activities, individuals with health concerns are advised to consider remaining indoors.

More information and frequently asked questions on aerial spray activities are available at Information on the insecticide naled can be found at Miami-Dade residents who wish to report a mosquito nuisance should call 311. Information on the County’s Mosquito Control program is available at