Windsor News

Windsor News

Posted on: August 4, 2023

Town of Windsor and Vector Continues Mosquito Management Efforts

Mosquito biting hand

The Town of Windsor has partnered with Vector Disease Control International (VDCI) since 2003 to develop a high-performing comprehensive mosquito control program. Adult mosquito trapping, surveillance, and larvicide and adulticide treatment has been underway since June and will continue until the end of the season, typically through August. However, due to the unprecedented number of mosquitoes, Vector will continue monitoring and treatment operations until the end of September.

Windsor’s Mosquito Management Program uses surveillance-based control strategies designed to use data to educate residents and prevent the transfer of West Nile Virus. There are 14 traps in various locations around town that are monitored on a weekly basis. Treatment is determined by mosquito population data.

When the traps are emptied, mosquitos are counted and identified by species. Counting is a vital part of the process because if a trap catches 100 adult mosquitoes or more, the area that the trap is in gets sprayed with adulticide. Larvicide – which directly targets mosquito eggs before they hatch – is applied weekly when the Vector is collecting trap data. A list of spray application areas and scheduled treatment dates can be found at vdci.net/colorado.  

Species are identified to distinguish the Culex mosquitoes, which carry and transmit West Nile Virus. Weld County and Larimer County Health Departments test the mosquitoes for the presence of the disease.

Unprecedented Levels West Nile Virus in Mosquitoes 

Due to the historic amounts of precipitation during the May and June months, mosquito levels are at an all-time high. This is due to the surplus of standing water – like in clogged drains, puddles, vehicle tires, flowerpots, kiddie pools and more – creating an ideal environment for mosquitoes to lay eggs in. Residents are encouraged to regularly check around their property for any pooling water.

The Town of Windsor and Vector are committed to continue approaching mosquito management from a data-driven perspective and spraying as necessary throughout the rest of the season to reduce the chances of humans contracting West Nile Virus. Symptoms in humans can include fever, headaches, joint pains, body aches, rash and neck stiffness. According to the CDC, eight out of 10 infected individuals do not experience symptoms.

The Four D’s of Dodging Mosquitoes

  • DRAIN standing water around your house weekly where mosquitoes lay eggs, such as tires, cans, flowerpots, clogged rain gutters, toys and puddles. 
  • DUSK AND DAWN are when mosquitoes are most active, so limit outdoor activities or take precautions to prevent mosquito bites. 
  • DEET is an effective ingredient to look for in insect repellants. Always follow label instructions carefully. Lemon-eucalyptus oil and Picaridin are effective natural remedies recommended by the Centers for Disease Control.
  • DRESS in long sleeves and pants during dawn and dusk hours or in areas where mosquitoes are active.

For more information, visit windsorgov.com/mosquitoes.

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