The city of Frisco announced June 18 crews will spray for mosquitos June 19 and 20 after two mosquito pools in the Dominion at Panther Creek and the Panther Creek Estates communities tested positive for West Nile virus.

A third-party contractor will apply treatment at 9 p.m. Saturday, June 19, and continue through 5 a.m. Sunday, June 20. Spraying will resume Sunday night at 9 p.m. and will finish at 5 a.m. on Monday, June 21.

The spraying will occur to the west and south of Northwest Community Park.

"We urge residents to be vigilant about following the ‘wear, apply and remove’ guidelines," Environmental Health Supervisor Julie Fernande said in a news release. “Following these three steps is the best way to protect yourself and your family against mosquito bites that can cause West Nile Virus."

A list of precautions—known as “The Four Ds”—for West Nile virus are promoted by the Texas Department of State Health Services:

  • DEET: Use approved insect repellents that contain DEET, picaridin or oil of lemon eucalyptus every time you go outside.

  • Drain: Drain standing water that collects in bird baths, French drains, clogged gutters, saucers under potted plants and “splash blocks” at the end of gutter down-spouts.

  • Dress: Wear long sleeves and pants at dawn and dusk.

  • Dusk or dawn: Use air conditioning, and make sure doors and windows have intact screens.

Visit, or contact the city’s health and food safety division at 972-292-5304 for more information.