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BOISE -- As many as two mosquitoes carrying the West Nile Virus were caught in a trap in Ada County on Tuesday morning, and the Ada County Mosquito Abatement District are trying to make sure to take care of the problem before any more show up in their traps.

I see probably 15 different kinds [of mosquitoes] a day, said Tanya Welborn, with Ada County Weed Pest and Mosquito Abatement.

Welborn test the mosquitoes that are found in Ada County for the West Nile Virus at the Ada County Mosquito Abatement District's lab in Meridian.

On Wednesday, they saw a mosquito with the West Nile Virus in the Meridian lab.

Once we find it, we increase our efforts at that site. So the night after we find it, we have our adulticiders go out and fog around the area, said Alex Aaker, Mosquito Division Coordinator for Ada County Weed Pest and Mosquito Abatement.

On Thursday, they sent a worker out north of Eagle to trap mosquitoes in the area where the virus carrier was found.

We'll set that same trap that caught the West Nile Virus. We'll set that trap again tonight and see if we catch it again, said Aaker.

Back in the lab, they separate out the mosquitoes that do not carry the virus.

We do a lot of data collection on every species here. We just test the Culex that carry the West Nile, said Welborn. Culex is a certain genus of mosquitoes.

Aaker decides where to set the traps, and where to send out folks to fog for mosquitoes. She said it's typical to find a mosquito with West Nile in the county, and there is no reason to worry yet.

Since we've only found one site, one mosquito basically that's carrying it, it's not very serious right now, said Aaker. We'd need to catch it in a broader area, and at several more traps sites for people to really be worried.

To protect yourself from mosquito bites and the West Nile Virus:

  • Wear bug spray, or long pants and long sleeves
  • Empty standing water near your home
  • Call the Ada County Mosquito Abatement District at 208-577-4646 if you notice a lot of mosquitoes in your area.


You can track where they are putting the traps and where mosquitoes that test positive for West Nile are found online.

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