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Mosquito Prevention


The most effective means of reducing mosquitoes around the home is to eliminate their breeding habitats. Nine out of ten citizen inquiries received by Mosquito Control are made by citizens who are unknowingly raising their own mosquitoes! You, too, may be raising your own!

What you can do:  CHECK YOUR YARD!

  • empty, remove or cover any receptacle that would hold water - particularly old bottles, tin cans, junk and tires
  • repair leaky pipes and outside faucets
  • screen rain barrels and openings to water tanks and limit the amount of collected rain water to water plants
  • cover or turn small boats upside down and keep all water pumped from the bilge
  • change water in wading pools, bird baths, pet dishes and vases holding flowers or cuttings twice a week
  • clean clogged roof gutters of all debris and drain flat roofs & all tarps
  • fill holes in trees with sand or mortar, or drain or spray them as needed
  • fix or replace screen on doors and windows
  • stock ornamental ponds with mosquito larvae eating fish (call Mosquito Control to make fish delivery arrangements)

Mosquito Control recommends...

  • yellow bug light
  • Bti and Bs (bacillus) products
  • repellents that include DEET (click here for more information)
  • certain barrier type adult sprays
  • mosquitofish (Gambusia affinis)
  • handheld or backpack portable foggers

Mosquito Control does not recommend...

  • bug zappers (click here for information)
  • ultrasonic (acoustic) repellent devices (click here for information)
  • electronic repellent devices
  • citrosa plants
  • pic coils
  • citronella candles or torches

Spraying - a last resort...

Mosquito Control determines where and when to adulticide (spray) based on the following guidelines:

  • Light traps must contain 25 or more adult mosquitoes. Mosquito Trap
  • Citizen complaints must be received.
  • Landing rate counts must exceed 3 mosquitoes landing per minute.

These guidelines are set forth by the Florida Legislature in Florida Statute Chapter 388 (click here for information) and the Florida Administrative Code 5E-13 (click here for information). A light trap is a device that uses dry ice and a light source to attract adult mosquitoes. A fan draws the mosquitoes down into a collection bag. The collection bags are collected every day and the mosquitoes are counted and identified. A landing rate is the number of mosquitoes that land on an individual within a set amount of time (usually one minute).

The Gainesville city limits are divided into 16 light trap/adulticiding zones. Each zone has one permanent and one floating light trap. Light traps and landing rate counts are monitored Monday through Thursday. Zones with light trap counts of 25 or more mosquitoes and landing rate counts of 3 per minute or citizen complaints are scheduled to be adulticided.

A computerized ULV (Ultra-Low-Volume) sprayer is used to disperse a chemical that affects only adult mosquitoes. The computer measures the chemical and will shut off automatically if the truck is traveling too fast or too slowly or dispersing too much or too little chemical. Spraying is the least effective and most expensive method of mosquito control.Mosquito Spray

Mosquito Control uses several products with which to adulticide, but Aqua-Reslin and Duet are used for the majority of our routine adulticiding work.  For more information on Aqua-Reslin (including a label and MSDS) click here and for more information on Duet (including a label and MSDS) click here.

Spraying hours are usually between 4-7 AM and 7 PM-1 AM.  You may call Mosquito Control at (352) 393-8100 for recorded spraying schedule message.  The message states in which zone(s) Mosquito Control will be spraying over the next few days.

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