RICHARDSON – The threat of West Nile virus has not gone away, despite cooler temperatures.

Since April, the City has conducted mosquito control activities to help prevent the spread of West Nile Virus including setting up weekly traps to determine if virus-carrying mosquitoes are in an area and then, if necessary, spraying to reduce the number of adult mosquitoes.

Health Department staff also routinely treat areas of standing water with larvicides to prevent mosquitoes from reproducing.  In order to protect yourself from mosquitoes when outside this Fall follow “The Four D’s”:

  • Drain standing water,
  • Avoid being out at dusk and dawn
  • Dress in long sleeves and pants
  • Apply insect repellent containing DEET or other effective repellents all day everyday

In addition, people can also apply commercially available pesticides according to the label to areas that harbor mosquitoes such as shrubs, ground cover, under raised decks and around storage areas.

Visit for more information on controlling mosquitoes, including information on controlling mosquitoes, products used in the City’s spraying and an interactive map of all 12 management areas with results from weekly mosquito tests and a list of mosquito control activities performed in each area.