Plymouth County Mosquito Control Project


Plymouth County Mosquito Control Project


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      Pesticide Resistance

      Raising adult mosquitoes for testing

      Pesticide resistance is when a pest population becomes less sensitive to a chemical through a genetic change in the population.  Eventually, it can lead to a pesticide no longer controlling the pest.  Pesticide resistance can develop with any pesticide whether it’s an insecticide, herbicide, rodenticide, fungicide, or bactericide.  It occurs overtime when a population is exposed repeatedly to the same kind of pesticide.


      Plymouth County Mosquito Control uses a number of methods to prevent resistance from developing in the district.  The primary method utilized is to eliminate habitat through mechanical means such as tire removal, or ditch maintenance.  We also vary the kind of insecticide we use to control mosquitoes.


      PCMCP tests adult mosquitoes for pesticide resistance.  The District uses a bottle assay protocol developed by the CDC.  The method involves coating the inside of a bottle with pesticide and exposing adult mosquitoes to the pesticide.  The mortality of the mosquitoes is timed and compared with mosquitoes known to have no resistance. Some mosquitoes are sent to the Northeast Regional Center for Excellence in Vector-Borne Diseases for testing. To date pesticide resistance has not been detected in the district.

      Phone
      Hours: 7:00 am - 2:30 pm
      Office: (781) 585-5450
      Fax: (781) 582-1276


      Location

      272 South Meadow Rd.

      Plymouth, MA 02360

       Copyright 2017 Plymouth County Mosquito Control Project


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