Vector Disease Control International has confirmed Lewisville’s seventh and eighth positive West Nile Virus mosquito traps for 2017.

The seventh positive sample was collected July 20, from a trap located in the 600 block of Holfords Prairie Road, in an area between State Highway 121 and Business 121. A previous positive mosquito sample was collected from this same trap on July 13.

The eighth positive sample was collected July 20, from a trap located in the 500 block of Rachels Court, west of I-35E, and just south of Bellaire Boulevard. A previous positive mosquito sample was collected from this same trap on June 22.

There have been no positive human cases reported. All the positive tests to date in the City of Lewisville have been in mosquitos.

Ground spraying/fogging will be conducted in a half-mile radius of each testing location on Wednesday, July 26 and Thursday, July 27. An automated “call out” from the City of Lewisville will happen Tuesday, July 25 at 6 p.m., notifying residents in both areas that a positive trap was collected and where spraying will occur.

Trucks operated by Vector Disease Control International will conduct the spraying beginning around 9 p.m. The insecticide being used is registered with the Environmental Protection Agency and poses minimal risk to humans, pets and the environment.

City crews are regularly walking through and visually inspecting creeks and drainage channels to look for potential mosquito breeding sites. The city has nearly a dozen workers in the Parks and Animal Services divisions who are state-certified to apply anti-larval dunks or localized pesticide to curb the mosquito population.

Residents are encouraged to report any mosquito complaints to Chris McGinn at 972-219-3484.