The County remains committed to protecting residents from mosquito-borne illnesses and ensuring a comfortable outdoor environment
Hillsborough County's Mosquito Management Services has a long history of using aerial technology to combat mosquito populations. The County's first aerial treatment operations date back to May 1950, utilizing a rented airplane. In 1964, the County purchased a retired military C-47 airplane, which allowed for the continuation of strong mosquito control efforts. Today, the County utilizes a helicopter to conduct targeted treatment in areas that are difficult to reach by truck or on foot.
Residents can learn more about County's aerial strategy, speak with the helicopter pilot and see that helicopter at Public Service Day, which will be held 9 a.m. - noon, Saturday, March 29, at the West Service Unit, 9805 Sheldon Rd., Tampa, FL 33635. Mosquito Management staff also will be on hand to answer questions about the mosquito control program, and residents can receive mosquitofish, which help reduce the pesky biters.
Here are some commonly asked questions about the County's use of its helicopter to control the mosquito population.
What to Expect When You See the Helicopter
Residents may notice the County's helicopter flying at low altitudes during mosquito control operations. These flights are conducted in full compliance with Federal Aviation Administration (FAA) regulations. Low-altitude flying is necessary to ensure the larvicide effectively reaches the water where mosquito larvae develop. Rest assured, all products used in the treatment process are EPA-approved and safe for humans.
What the County Uses to Treat
Mosquito Management uses an environmentally safe larvicide made from corncob granules treated with Bacillus thuringiensis israelensis (BTI). BTI is a naturally occurring bacterium that, when ingested by mosquito larvae, disrupts their digestive system, effectively eliminating them before they can mature into biting adults. This product is approved by the Environmental Protection Agency (EPA) and is specifically engineered to target mosquito larvae without posing risks to humans, pets, or beneficial insects.
When the County Treats
Aerial larvicide treatment begins at sunrise, with each mission lasting several hours. Soon, Hillsborough County will also implement aerial adulticide spraying, which will take place after sunset. Residents can stay informed about spraying schedules and sign up for notifications and view schedules on the Mosquito Spray Notifications page.
Why Aerial Spraying is Necessary
Helicopter treatments are vital for managing mosquito populations in remote and inaccessible areas, such as salt marshes, which are prime breeding grounds for Aedes taeniorhynchus, one of the County's most aggressive mosquito species. Without aerial larvicide treatments, these mosquitoes can quickly become a significant nuisance, impacting the quality of life for residents and visitors alike.
To stay updated on mosquito control efforts, visit the Mosquito Management Services webpage.