Released on May 26, 2021 - 1:28pm

Mosquito Season is fast approaching!  The City of Laurel will, once again, participate in the Maryland Department of Agriculture’s Mosquito Control Program. 

  • Spray season starts on May 26th through September 28th.   Laurel’s day for spraying is Sunday.
  • The spray schedule will rotate every 3 weeks. This means that your community may or may not be sprayed every 3 weeks. The frequency will be determined by surveillance data collected, and complaints
  • Spraying will start as soon as it is dark. As a precaution, we advise residents to stay inside their homes and close their windows while the spray truck is in the vicinity, bring in any pets, and remain in the home for 20-30 minutes after the spray truck has passed by.
  • If there are people outside when the truck passes by, no spray will be released, and the truck will not make another pass down that street. 
  • The MDA’s spray is designed to kill soft bodied insects the size of a mosquitos or smaller. Confirmed with the MDA, the spray will NOT hurt cicadas, so any pets eating cicadas will not be affected by the spray.

For more information about the program, please visit the Maryland Department of Agriculture (MDA) at If you would like to opt out of the program, you can print and fill out the form from MDA's website at Once the request for exemption application is filled out, please mail it to: Program Supervisor, Mosquito Control Program, 50 Harry S. Truman Parkway, Annapolis, MD 21401.

The City of Laurel’s  Environmental Program Manager can assist with providing additional information regarding the breeding habits and lifecycle of mosquitoes as well as meeting with residents to determine potential breeding areas.  If you would like additional information please contact the Office of the City Administrator Office  – 301-725-5300. 

The “Mosquito Control Program” on the Emergency Management page of the City’s website ( – will have up-to-date information regarding any changes to the Mosquito Control Program.

 Residents will also find a link to the Maryland Department of Agriculture where they can request to opt out of the spraying route. 

                        Here’s an even  deeper dive into the Mosquito Program

  • The program consists of two parts -- larviciding and adulticiding.  The larviciding is limited to public right-of-ways and areas where there is large amounts of standing water.  The adulticiding phase consists of city-wide evening spraying. 
  • The best method for preventing the increase of mosquitoes is a coordinated community cleanup.
  • The biggest nuisance is the Asian Tiger Mosquito (ATM) which will come out day and/or night. 
  • The ATM is a container breeder – meaning that it can lay its eggs in any standing water such as old tires, children’s toys, clogged gutters, bird baths, flower pots, cans, bottles, wading pools and pet water dishes to name just a few. 
  •  In addition to “containers” any low lying areas in your yards that can hold water up to seven days may also be a mosquito breeding ground. Tip it or Toss it once a week.


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