Adulticiding Protocol

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Our protocol for adulticiding (spraying) for adult mosquitoes has been updated from previous years to serve the residents of Somerset County in a more efficient and environmentally safe manner. Our mosquito inspectors must take necessary steps before establishing the decision to adulticide. In order to standardize our procedures to meet the local, state, and federal regulations, our protocol will be as follows:
  • One or more of our licensed inspectors will survey the area requested, properly survey and treat any breeding habitats found, either by larviciding, clearing blocked waterways, freeing impounded water, etc.
  • The inspector may choose to take a landing/bite count to determine the mosquito populations and species composition in the area.     
  • If the inspector feels that more extensive testing is necessary, surveillance traps may be appropriately placed on the premises overnight, and collected the following day.       
  • This data will be utilized to determine if adulticiding is necessary.

If adulticiding is necessary, our protocol will be as follows:


  • The local police and health department will be notified as to when and where we will be adulticiding.  
  • Residents who subscribe to our adulticide notification list will be contacted.  
  • The adulticiding locations will be listed on the Spraying Schedule.  
  • Additional information will be provided on the  Mosquito Control Hotline 908-541-5021.


Somerset County Mosquito Control uses Scourge ® as the primary adulticide. Scourge ® contains the pesticides resmethrin and piperonyl butoxide. The United States Environmental Protection Agency's (EPA) current evaluation considers products containing resmethrin and piperonyl butoxide to have a minimal potential risk to the general public. Since Scourge ® has a relatively low toxicity and is used in very small amounts it has minimal impacts on non-target organisms. Our applications will be conducted with Ultra Low Volume (ULV) equipment mounted on the back of our vehicles. For further information refer to our Scourge ® Fact Sheet . 

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