How to Kill Yard Mosquitoes


The mosquito is perhaps one of the most bothersome pests during the warm months of the year. Aside from the annoyance of the constant need to swat them away, their bites leave red, itchy bumps and the proboscis -- the long tube-shaped mouth of the mosquito -- can potentially transmit diseases such as malaria and the West Nile virus. Aside from risks to humans, mosquitoes can also pass on diseases to pets.

Things You'll Need

  • Larvicide
  • Pesticide
  • Make the yard a less desirable location for the mosquitoes. Remove any items in the yard that retain stagnant water, such as buckets or wheelbarrows. Clean out gutters on the house if they are clogged with leaves or other debris. Change the water in birdbaths at least once per day. Mosquitoes lay their eggs in still water, so they naturally seek out any location with such conditions.

  • Apply the product that contains either methoprene or bacillus thuringiensis israelensis to the yard. Both of these products may effectively kill the larvae of mosquitoes and prevent future problems. Follow the application directions on the product label.

  • Apply a pesticide to the lawn and lower limbs of trees to control adult mosquitoes. Entomologists at the University of Kentucky recommend products that contain pyrethroid, cyfluthrin, lambda-cyhalothrin or permethrin; these may be illegal in some states, so check with your local county extension office for further recommendations. Follow the product's application directions carefully as some may need to be diluted with water. Also, frequent application may be necessary for some products.

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