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Q&A Home

Kathy from Twin Mountain, Nh writes,

On a "true" log home what is best in the treatment of cluster flies...Suspend SC or Cypermethrin?

The home is in northern NH. I think I should spray all the logs real soon as cooler nights are around the corner. I try to keep up with caulking around the doors and windows as well as between the logs. Any other suggestions?


Suspend SC is considered to be better for outdoors than cypermethrin because it will last much longer than cypermethrin does outdoors.  Cypermethrin does have a stronger initial knockdown, but will break down much quicker in UV light and heat than Suspend.  Typically Cypermethrin will only give about 30 days of protection whereas Suspend SC can give 60 to 90 days before needing to be re-applied.

Answer last updated on: 08/18/2011

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