News Flash

Environmental Services

Posted on: May 22, 2020

Be Mosquito Free

cartoon picture of a dead mosquito

Warm temperatures in August and September make mosquitoes pass through their life cycle faster, so more are laying eggs and more eggs are hatching.  At the end of the season, mosquitoes species which die off for the winter won’t disappear completely until frost, though they become less active as temperatures drop below 50 degrees. Though no one can change the temperature or rainfall to control when mosquitoes begin their season, humans can discourage them from breeding by taking a few proactive steps.

Eliminate Habitat

Mosquitoes love water, so the best way to beat them is to eliminate those breeding sites. Even the most unexpected places can become breeding grounds for mosquitoes and the illnesses they can carry.

Here are some simple steps you can take:

  • Unclog gutters
  • Drain flower pot dishes
  • Turn over wading pools and wheelbarrows when not in use
  • Dump water from toys and containers in the yard
  • Replace water in bird baths and pet dishes daily
  • Trim bushes and grass to reduce mosquito resting places
  • Apply mosquito dunks (Bacillus thuringiensis israeliensis or Bti )to kill larvae in areas like french drains and rain barrels where it is difficult to remove standing water
  • Cast Bti granules under dense shrubbery
  • Remove vegetation and other debris in ditches to promote rapid drainage

Follow the “Four Ds”

To reduce the chance of being bitten by a mosquito, all residents should :

The Four Ds of Mosquito Protection


Most people believe summer is the start of mosquito season, but in reality, mosquito season begins when outdoor temperatures warm to 50°F or warmer. Instead of waiting until you hear their buzzing, or feel the bite and start itching, be proactive and start your outdoor mosquito control efforts now.

For more information read Mansfield’s mosquito control policy , frequently asked questions and view Tarrant County Public Health prevention videos.

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