What is Cypermethrin Insecticide?

In a situation where this is your first time using cypermethrin insecticide, you may begin to think about what is cypermethrin insecticide.

It is a versatile pesticide that will control many different insects, and protect treated areas for a long time. As you read on, you will learn what cypermethrin is, its chemical content, and how to utilize it.


What is Cypermethrin Insecticide?

What Is Cypermethrin Insecticide

Cypermethrin is a pyrethroid used to control pests like spiders wasps and many more. It was first synthesized in 1974 and first registered by the US EPA in 1984 as a pyrethroids insecticide used to control many insect pests in households commercial properties and agriculture.

Pyrethroids are a synthetic insecticide class that mimics the pyrethrins found in chrysanthemum flowers. Many popular pesticides used cypermethrin as an active ingredient.


Read also: How to Use Permethrin Insecticides


Various Forms of Cypermethrin and Pest Control

Cypermethrin can be formulated as a wonderful powder, liquid concentrates, dust, and aerosols. In the granules, these insecticides are used indoors and outdoors to control many pests.

Cypermethrin is used to control pests like spiders, wasps, ants, including carpenter ants, fire ants, fleas, boxelder bugs, cockroaches, and termites.


Read also: Ecomazapyr 2 SL Herbicide | How To Use


How Does Cypermethrin Insecticide Work?

Cypermethrin is a pyrethroid. So it works by contact or by ingestion. This ingredient interferes with the pest central nervous system causing muscle spasms and inflicting paralysis.

This creates an inability to function or heat which eventually leads to the pest’s death. It can take minutes to several hours for a pest to die completely.


Read also: Cutrine Plus | How To Use


Is Cypermethrin Insecticide Deadly and How Long Does It Last?

Depending on the formulation, cypermethrin will leave a long-lasting residual, that will continue to control pests for up to 90 days.

Cypermethrin insecticides are safe to use when applied according to their product label directions, while insects are vulnerable to the effects of cypermethrin these products are much less toxic to humans and animals.

On the other hand, cats are very sensitive to pyrethroids. So, they should be kept away from treatment areas during and after application.

Cypermethrin may still cause harm if ingested. Moreover, cypermethrin products are safe when used properly. Always wear the proper personal protective equipment or PPE when applying any insecticides.

Keep them out of reach of any children or pets. Try as much coverage as you need to avoid direct skin contact and use a respirator or other facial covering to avoid inhalation.


Read also: Outrider Herbicide | How To Use


How to Use Cypermethrin Product

If you are looking for a long-lasting insecticide with broad-spectrum use and we recommend you use a product like Sylo insecticide.


What is Sylo Insecticide?

What Is Cypermethrin Insecticide


Sylo is an insecticide concentrate made with 25.4% cypermethrin. Sylo insecticide is used outdoors to create insecticide barriers that protect structures against pest infestations.

This product is an emulsifier that will concentrate, so it must be mixed with water before application.


How to Apply

  1. For most residential applications. We recommend you mix and apply this product on a handheld pump sprayer.
  2. Depending on the pest you’re treating, you are to mix 0.5 to 1.25 fluid ounces of product per one gallon of water to treat 1,000 square feet.
  3. Once your solution is mixed, you can broadcast this product over Lawns.
  4. Apply it to outdoor surfaces like walls, door frames, under eaves, around cracks, and crevices.
  5. In all applications, allow the product to dry completely before allowing any people or pets around treated areas.



In conclusion, pests that make contact with the spray or its residual will have their nervous systems impacted and will die within minutes.

Cypermethrin has a repelling effect that will keep labeled insects away from treated areas for up to 90 days. It has a versatile ingredient used in many pesticides to control different pests. 

We guarantee that after reading through these professional products and tips, you will be able to get rid of any stubborn pests in your home or property.

If you enjoyed this pest tip, please share it with others and return to our website for more DIY pest control guides.

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