Mosquito and Tick Surveillance Traps

Every summer, the Fairfax County Health Department traps mosquitoes and ticks as part of routine surveillance for West Nile virus and Lyme disease. Traps are set up in dozens of locations throughout the Fairfax community.

If you see a mosquito or tick trap, PLEASE DO NOT DISTURB IT. What do they look like? You can view the various types of traps and read how they work in the photo gallery on the right.

Please note:

  • The traps are clearly labeled to let people know what these devices are.
  • Health Department staff set out and collect the traps, and collect mosquitoes and ticks regularly.
  • Two or three traps are usually set up at each location.
  • Some traps are about the size of an office trash can and are set on the ground; others are hung from a tree and are about 5 feet long.
  • If you have any questions or concerns, please contact the Disease Carrying Insects Program at 703-246-8931.

Why do we do this? Surveillance is one of the key components of the Disease Carrying Insects Program. Collecting mosquitoes and ticks helps the Health Department monitor for West Nile virus and Lyme disease in our community.

Learn more about protecting yourself and your family from mosquito bites and the diseases they transmit.

To expand, click the slideshow, then click the square at bottom right. Then view captions by clicking "Show Info."

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