Mosquito Testing

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The City of Richland Hills, in coordination with Tarrant County, regularly traps and tests mosquitoes for various  mosquito born  illnesses.  Those include West Nile Virus and St. Louis Encephalitis.  When a mosquito tests positive for a disease, we follow the protocols of Tarrant County, which include spraying public lands within 1/4 mile of the positive test.  Spraying is done only on public lands, and is done through targeted hand spraying.  To date in 2018, the following positive tests have occurred: 

WNV mosquito sample was located at 6701 Rena Drive.  The City was notified on July 27th.

WNV mosquito sample was located at 3709 London Lane. The City was notified on July 27th.

WNV mosquito sample was located at 3709 London Lane.  The City was notified on July 20th. 

WNV mosquito sample was located at 7628 Evergreen Road.  The City was notified on July 13th.

WNV mosquito sample was located at 3709 London Lane.  The City was notified on June 29th.

WNV mosquito sample was located at the water tank at Scruggs Park.  The City was notified on June 29th.

WNV mosquito sample was located at the water tank at 3709 London Ln. The City was notified on Sep. 28th

WNV mosquito sample was located at the water tank at 3709 London Ln. The City was notified on Oct. 5th

WNV mosquito sample was located at the water tank at 3709 London Ln.  The positive test occurred the week of Oct. 8th, but city was notified on the 17th.  Due to the rain and ineffectiveness of spraying during rainy conditions, spraying will occur once the rain subsides.

 

The City traps mosquitoes weekly, and uses traps in multiple locations (usually between four and six traps).  Each trap is then taken to Tarrant County weekly, and there are usually around 100 mosquitoes caught per trap.  A positive test indicates that only one of the mosquitoes caught and tested has returned a positive result. 

We strongly encourage all residents to be proactive in taking preventative personal measures on their property and person (bug spray) prior to a positive test being announced.