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Sep 18, 2013 - 10:55 AM
Resistance to pesticides only occurs in insects that have a very prolific breeding cycle such as cockroaches, etc. It also occurs when the same chemistry is used over and over and over.
Both Bifen and Lambda-cyhalothrin are pyrethroids, So rotating them is useless, They are from the same chemistry family.
Rotating Bifen and Dominion or an equilivent imidachloprid product would make more sense. They are different chemistries.
I have never heard of any resistance issues with mosquitoes. In fact, most of the products that are used to kill them have not changed in years.
In the cities and counties that do "fogging" or "aerial spraying" the chemicals are synthetic pyrethoids or a synethic pyrethrin.
Natural pyrethrins are preferred by most companies that install automatic mosquito misting systems. Riptide being the #1 product on the market for misting systems. You can also spray Riptide as a surface spray.
Using and IGR such as Nylar and Riptide or Bifen will give great results. Lamba will give you a longer residual. That's about it.
So the answer is no. Using Bifen and Lamba products on a rotating basis will not stop resistance.
Hope this helps.
Ron
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