4 facts PMPs should know about disease-carrying mosquitoes

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September 27, 2017

Dr. Tim Husen, BCE, Technical Services Manager, Rollins Inc.

Aedes and Culex mosquitoes have differences that can have an impact on treatment programs. The Aedes genus carries Zika, whereas Culex carries West Nile Virus. You should know:

  1. Which species is in your area. State and county extension offices can help.
  2. When they are active. Culex usually bite in the early evening and night, while Aedes are active in the early morning and afternoon. Apply treatment during active times.
  3. Where they breed. Culex needs a permanent water source. Aedes will lay eggs in dry areas that are likely to get wet, such as containers or cracks in the soil.
  4. How far they fly. Culex stay within a mile or two of a breeding source. Aedes mosquitoes that transmit human diseases typically fly less than a quarter-mile away from their primary source.

About the Author

Dr. Tim Husen, BCE, Technical Services Manager, Rollins Inc.

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