Insecticide choices

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Insecticide choices

This is a discussion on Insecticide choices within the Auto Mist forums, part of the Sponsors category

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    03-03-2009, 10:59 AM
Insecticide choices

Permethrin, a chemical used to kill a variety of insects. Permethrin is referred to as a synthetic pyrethroid insecticide because, while manmade, it resembles naturally-occurring chemicals with insecticidal properties, called pyrethroids. Pyrethroids are found especially in chrysanthemums. Pyrethroids are one of the oldest classes of organic insecticides known. Permethrin, like all synthetic pyrethroids, kills insects by strongly exciting their nervous systems. They quickly paralyze the nervous systems of insects, producing a quick "knockdown" effect on insect pest populations. Permethrin acts as a stomach poison when it is ingested by insects or as a contact poison through direct contact with target pests. It kills adults, eggs, and larvae, and has a slight repellent effect against insects.

Permethrin is a very common active ingredient in many ready to use fly spray and/or wipes for horses. Absorbine & Farnam are just 2 manufacturers that commonly use Permethrin in there ready to use fly spray and wipes.
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    03-04-2009, 06:33 PM

Pyrethrum is a botanical insecticide produced primarily from the flowers of Tanacetum cinerariaefolium, which is a species of the chrysanthemum plant family. It is found mainly in tiny oil-containing glands on the surface of the seed case in the tightly packed flower head and is the plantís own insecticide that has evolved to keep insects away. Pyrethrum is made up of six complex chemical esters known as pyrethrins which work in combination to repel and kill insects.

Pyrethrin has been used effectively to control insects for decades. It decomposes rapidly in the environment, making it an excellent choice for controlling pests.

Pyrethin has flushing action, it disturbs insects so that they move out of their hiding places and expose themselves to the insecticidal spray. Pyrethrum has greater 'flushing' power than many other commercial insecticides. Against insects, it has a very rapid paralytic action, knocking them down followed by kill. Pyrethrum repellents insects at very low concentrations, a property used in the protection of stored grain, the preparations of insect resistant packaging, and in deterring mosquitoes, both by spray-on repellents and mosquito coils. In addition, the smoke from Pyrethrum-based mosquito coils will inhibit mosquitoes from biting. Pyrethrin is commonly used as a post harvest treatment for fruits and vegetables especially during shipment and is popular as a non-residual household insecticide spray.

    03-06-2009, 01:31 PM
PBO - Piperonyl Butoxide

PBO (Piperonyl Butioxide) is an emulsifiable synergist (not an insecticide) for use in combination with insecticides, especially synthetic pyrethroids, as a tank mix to overcome resistance that pests develop with constant use of insecticides.

PBO is a unique tank additive that restores activity against resistant strains of pests. It acts by inhibiting naturally occurring enzymes that would otherwise degrade the insecticide molecule.

PBO breaks through the insect's defense and its synergistic activity makes the insecticide more powerful and effective. With the high cost of insecticides, PBO effectively reduces the cost per gallon of spray solution by allowing the applicator to use less active ingredient to obtain the mortality rate desired.

Insects are amazingly adaptable, and possess an enzyme system called the mixed-function oxidases (MFO's) that give them the ability to de-toxify and become resistant to many insecticides, especially synthetic pyrethroids. Continual application of pesticides start the build-up of resistance and thus the efficacy of the spray diminishes. PBO inhibits the action of MFO's and restores the killing power of the insecticide, which results in less expensive and/or more effective pest control. Actual results show that PBO either decreased the cost of pest control since smaller doses are needed, or provided better control of insects where cases of maximum dosages of pesticides without PBO had failed.

Therefore, PBO can PROLONG the usefulness of insecticides by overcoming MFO resistance. Improved control means fewer applications of insecticides, thus providing cost savings as well as environmental benefits.
    03-10-2009, 03:38 PM
I knew it !!!
Flies do become resistant to fly sprays. That was a really interesting read, thanks!
    03-12-2009, 12:50 PM
Yes flies can become resistant to sprays. PBO helps keep that in check. Rotation of sprays is the ultimate plan.
    04-08-2009, 01:11 PM
Sector Misting Concentrate

Sector Misting Concentrate is an effective insecticide that combines 10% Permethrin with 10% PBO in one bottle. This product works well in automatic insect control systems but can also be sprayed or fogged. It is also labeled for use directly on horses and livestock. Another benefit is that it can be used to spray in and around your home for ants, mosquitoes, and a long list of flying and crawling insects. It is labeled for use as a space spray and surface spray. Simply a great, all-around insecticide that offers mild residual control.

See more information here:

View the label and MSDS here:
    06-10-2009, 11:43 AM
Looking for an "all natural" spray for an fly control system? EcoExempt MC is a green product that is safe and all natural. This product does not require EPA registering because it is all natural. All of the ingredients in EcoExempt MC make it quality for EPA's 25B list of minimum risk pesticides. EcoExempt MC is blend of natural oils put together to provide control of insects through automatic misting systems.

EcoExempt MC is a great alternative for those that truely want a green product. It is not quite as effective as other pesticides such as permethrin or pyrethrin, but with a little longer spray cycle, it has been working well for those that have gone the green route.

Pyrethrin is considered a natural product, but it is blended in with other chemicals and can not be considered 100% natural. Only the percentage of active ingredient is natural. So if an insecticide containes 3% pyrethrin, then 3% of the product is natural. EcoExempt MC is 100% natural.
    12-18-2009, 10:28 AM
2010 will offer some NEW insecticide choices for automatic insect control systems from various manufacturers. Rotating insecticides can offer increase control and effectiveness. Such as if you use a pyrethrin based spray, switch to a permethrin based then switch back after 6 month to a year. Some users rotate monthly or as needed.

Insects can become resistant to insecticides after long time use. Rotation of active ingredients helps to break resitance which can offer increase effectiveness, knockdown and kill. Many times rotation can lower your costs - the insecticides become more effective and less is needed.
    03-11-2010, 11:31 AM
New insecticides

Misting systems are at an all time high in popularity. Which translates to more insecticide options becoming available in the market place. One new product is Vector Ban PLUS. This is a 10% permethrin and 10% PBO product in one bottle. 64 ounces fils a 55 gallon system reservoir.

This is a good economical option for those that are looking for effective control and value. Vector Ban Plus is labeled for use in horse stables, livestock facilities as well as residential backyards, parks, etc. Permethrin and PBO are a very effective combination and will offer performace equal to pyrethrin products. Many people have been told to only use Pyrethrin products, we say, all insecticides should be treated as insecticides no matter what advertising clainms say.

Fly and mosquito season are just around the corner.

More information on Vector Ban PLUS can be found at:

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