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Conquer Residual Insecticide
Conquer Residual Insecticide is a low-odor broad-spectrum insecticide with a long-lasting residual effect designed to eliminate a wide range of common household pests. It delivers a quick knockdown and is good for flushing out cracks and crevices.
09/28/25
Conquer Residual Insecticide, manufactured by Paragon, is an insecticide that contains the active ingredient Esfenvalerate, a powerful insect-killing chemical.
Conquer has a broad label and is versatile. It can be mixed with water or oil and safely applied as a space spray using a fogger.
Use it to control significant pests, including cockroaches, ants, fleas, ticks, stored-product pests, spiders, carpenter ants, and even deer ticks.
Tools Needed
You will need a hose-end sprayer, handheld pump sprayer, backpack sprayer, fogger, or spray rig. For small household jobs, we recommend a handheld 1-gallon pump sprayer or a 4-gallon backpack sprayer.
How to Use
- Step 1: Determine how much Conquer Residual Insecticide you will need by measuring the square footage of the treatment area. You can do this by measuring the length and width of the treatment area in feet and then multiplying them together (length x width = square footage). The rate for Conquer Residual Insecticide is 1 to 2 fl. oz. in 1 gallon of water to treat 1,000 sq. ft. So, for example, if you have 3,000 sq. ft. to treat you will need to mix 3 to 6 oz. in 3 gallons of water to cover the entire area.
- Step 2: Fill your sprayer halfway with the required amount of water and then add the appropriate amount of Conquer based on your calculations. Fill with the remaining half of the water, close the lid, and then agitate well to ensure the product is suspended.
- Step 3: Apply the solution in cracks and crevices and directly to insect mounds as a perimeter barrier treatment around your home and spray in cracks and crevices.
- Step 4: Repeat application as needed, but do not exceed more than one application every seven days in restaurants and similar food service establishments or more than one application every fourteen days in all types of food handling establishments.
Where to Use
Conquer can be used indoors and outdoors to control a wide range of pests. Use in and around homes as well as schools, warehouses, office buildings, apartment buildings, theatres, hotels, motels, kennels, food processing plants, food service establishments, truck trailers, railroad cars, and food manufacturing and warehousing establishments. Also, for use on lawns to Kill fleas and ticks. Focus your treatments around woodwork and floors, underneath sinks, areas behind pipes, and in all non-food contact places where these insects shelter.
When to Use
You should use this product when pest activity is high. For most areas of the country, this is between the spring and summer months. Apply the product quarterly for year-round control.
Safety Information
Conquer Residual Insecticide is safe to use around children and pets when applied according to the product label instructions. Always wear the proper personal protective equipment (PPE) when mixing and applying this product.
Keep pets and children out of the treated area until after the spray has dried.
Do Not Spray Animals.
Special Considerations
Because Conquer is an emulsifiable insecticide formulation, it will need to be constantly agitated in the sprayer during application for best results.
Availability | Online |
Restricted Use | No |
Shipping Restrictions | 16 Ounce: CT, HI, IN, MI, RI, VT |
Brand | PARAGON |
Keith's Pro Tips | "Conquer can be used both indoors and outdoors and is great for a wide range of pests. It is also a good option for drenching fire ant mounds. But it works best as a contact spray, so spray insects directly as much as you can to make an impact." |
Product Drawbacks | Needs to be agitated frequently so it doesn't clog up your sprayer when it settles. |
Target Pests | Angoumois Grain Moth, Ants, Asian cockroaches, Cadelles, Carpenter Ants, Carpenter Bees, Centipedes, Cigarette Beetles, Cockroaches, Confused Flour Beetles, Crickets, Deathwatch Beetles, Drug Store Beetles, Earwigs, Fleas, Furniture Beetles, Gnats, Granary Weevils, Houseflies, Meal Moth Larve, Millipedes, Mosquitos, Old House Borers, Powder Post Beetles, Psocids, Rice Weevils, Rust Red Flour Beetles, Sawtoothed Grain Beetles, Scorpions, silverfish, Small Flying Moths, Sowbugs, spiders, Ticks, and Waterbugs. |
Application Equipment | Backpack Sprayer, Pump Sprayer |
Application Methods | Crack & Crevice, Drench Treatment, Spot Treatment |
Active Ingredient | Esfenvalerate 3.48% |
Product Type | Insecticide |
Formulation | Emulsifiable Concentrate (EC) |
Application Rate | You will mix 2 fluid ounce per 1 gallon of water. For more specific application rates please refer to the label. |
Shelf Life | Conquer can remain effective for 1 to 3 years in storage when kept in a cool, dry place. |
Yield | Use at the rate of one (1) gallon diluted product per 1,000 square feet (one (1) L diluted product / 25m- |
Use Sites | Indoors, Outdoors |
Time to Kill | Conquer provides immediate results but may take up to several treatments to gain full control of target insects depending on species and application. |
Comparable Products | Reclaim IT |
Incompatible Home Siding | Brick, Hardie Plank, Stone Veneer, Stucco, Wood, Vinyl |
EPA Registration # | 1021-1641-57076 |
Restricted Use | No |
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Shipping Restrictions | CT, HI, IN, MI, RI |
Availability | Online |
Signal Word | CAUTION |
Keith's Pro Tip | "Conquer can be used both indoors and outdoors and is great for a wide range of pests. It is also a good option for drenching fire ant mounds. But it works best as a contact spray, so spray insects directly as much as you can to make an impact." |
Target Pests Multi | Angoumois Grain Moths, Ants, Brown Dog Ticks, Cadelles, Carpenter Ants, Carpenter Bees, Centipedes, Cigarette Beetles, Cockroaches, Confused Flour Beetles, Crickets, Deathwatch Beetles, Drugstore Beetles, Earwigs, Fleas, Furniture Beetles, Gnats, Grain Mites, Granary Weevils, House Flies, Indianmeal Moths, Meal Moth Larvae, Mediterranean Flour Moth, Millipedes, Mosquitoes, Moths, Old House Borer Beetle, Powder Post Beetle, Psocids, Rice Weevils, Round-Headed House Borers, Rust Red Flour Beetles, Saw-Tooth Grain Beetles, Scorpions, Silverfish, Sowbugs, Spiders, Subterranean Termites, Swarming Termites, Ticks, Waterbugs, Yellow Mealworms |
Time to Kill | Conquer provides immediate results but may take up to several treatments to gain full control of target insects depending on species and application. |
Chemical Type | Insecticide |
Formulation | Emulsifiable Concentrate (EC) |
Application Methods | Crack & Crevice, Drench Treatment, Spot Treatment |
Product Drawbacks | Needs to be agitated frequently so it doesn't clog up your sprayer when it settles. |
Active Ingredient | Esfenvalerate 3.48% |
Application Equipment | Backpack Sprayer, Pump Sprayer |
Mix Rate | You will mix 2 fluid ounce per 1 gallon of water. For more specific application rates please refer to the label. |
Use Sites | Indoors, Outdoors |
Yield | Use at the rate of one (1) gallon diluted product per 1,000 square feet (one (1) L diluted product / 25m- |
EPA Registration No. | 1021-1641-57076 |
Shelf Life | Conquer can remain effective for 1 to 3 years in storage when kept in a cool, dry place. |
Comparable Products | Reclaim IT |
Children or pets? | No |
Property Characteristics | None |
*Price does not include freight. We guarantee our rate plus shipping will be less than anyone else's price.