Onslaught Insecticide

$49.50 - $332.00

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4 out of 5 stars Rating: 4

74 Reviews | 128 Q&A



{ $49.50 { $48.93 { $47.87 $185.39 $183.37 $332.00 $330.35
  Size/Description Price/Ea. Qty  
Onslaught Insecticide pint(s) (16 oz)

Buy 1: $49.50 each

Buy 2: $48.93 each

Buy 3 or more: $47.87 each

Onslaught Insecticide - Half Gallon half gallon (64 oz)

Buy 1: $185.39 each

Buy 2 or more: $183.37 each

Onslaught Insecticide - Gallon gallon (128 oz)

Buy 1: $332.00 each

Buy 2 or more: $330.35 each

Total Price: $0.00

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Onslaught Insecticide

Onslaught Insecticide is powerful and effective against bed bugs, cockroaches, stink bugs, fleas, brown dog ticks, stored product pests, granary insects, litter beetle, mosquitoes, flying insects, stinging insects, and over 200 other insect pests. found in and around your home or office. Onslaught produces no odor, is easy to use, and can be used both indoors and outdoors, including in food handling areas (please read directions carefully when using in sensitive environments). Onslaught Liquid Insecticide is micro-encapsulated, meaning that after the product is sprayed, the active ingredient is released slowly over time, producing long-lasting residual control of insect pests.

Onslaught is also one of the only products on the market that can be used to bait for Yellow Jackets.  To see how this works, please see our Apine Yellow Jacket Bait Stations with Onslaught Kit.

How Onslaught Works

Onslaught is a milky insecticide concentrate made for dilution with water and application with hand or power sprayers. Onslaught contains a versatile active ingredient, Esfenvalerate, that is microencapsulated for superior residual and knockdown. Esfenvalerate is a synthetic pyrethroid, a man-made insecticide created to mimic the chemical properties of naturally occurring pyrethrins.

Onslaught also has the advantage of microencapsulation, meaning the product is a concentrated suspension with millions of tiny capsules containing the active ingredient. When insects come into contact with the spray or residual left from applying Onslaught, they pick up the tiny capsules on the hairs of their legs and bodies, and the esfenvalerate attacks the central nervous system of the insects, causing paralysis and eventual death.

Target Insects

Over 200 insect pests including: Ants, Bed Bugs, Roaches, Fleas, Mosquitoes, Ticks, Stored Product Pests, Granary Insects, Flying Insects, Stinging Insects (including Yellow Jacket baiting), Livestock Premise Pests such as Face Flies and Litter Beetles, Wood-Destroying Pests such as Carpenter Ants and Swarming Termites, Plant and Ornamental Pests such as Chinch Bugs, Whiteflies, Bagworms, and Pillbugs


Ants, Aphids, Asian Lady Beetles, Bed Bugs, Beetles, Boxelder Bugs, Carpet Beetles, Centipedes, Cockroaches, Crickets, Dog Ticks, Earwigs, Fire Ants, Firebrats, Fleas, Mealy Bugs, Midges, Millipedes, Mites, Pillbugs, Psocids, Scales, Silverfish, Spiders, Springtails, Swarming Termites, Ticks, Waterbugs

FLYING INSECTS: Blow Flies, Chiggers, Clothes Moths, Crane Flies, Deer Flies, Face Flies, Fruit Flies, Fungus Gnats, Gnats, Horn Flies, Houseflies, Mosquitoes, Small Flying Moths, Whiteflies

BITING AND STINGING INSECTS: Bed Bugs, Bees, Biting Flies, Chiggers, Deer Flies, Deer Ticks, Dog Ticks, Fire Ants, Fleas, Gnats, Hornets, Lice, Mosquitoes, Scorpions, Spiders, Ticks, Wasps, Yellow Jackets

STORED PRODUCT INSECTS: Angoumois Grain Moths, Ants, Cadelles, Cigarette Beetles, Cockroaches, Confused Flour Beetles, Dark Mealworms, Dried Fruit Beetles, Drug Store Beetles, Flat Grain Beetles, Fruit Flies, Grain Mites, Grain Moths, Granary Weevils, Indian Meal Moths, Lesser Grain Borers, Maize Weevils, Meal Moth Larvae, Mediterranean Flour Moths, Merchant Grain Beetles, Red Flour Beetles, Rice Weevils, Rusty Grain Beetles, Saw-toothed Grain Beetles, Skippers, Spider Beetles, Spider Mites, Square-necked Grain Beetles, Tobacco Moths, Yellow Mealworms

LIVESTOCK INSECTS: Bed Bugs, Carrion Beetles, Chiggers, Darkling Beetles (lesser meal worm), Deer Flies, Face Flies, Fleas, Flies, Hide Beetles, Horn Flies, Horse Flies, Lice, Litter Beetles, Mites, Mosquitoes, Stable Flies

WOOD DESTROYING INSECTS: Carpenter Ants, Carpenter Bees, Deathwatch Beetles, Furniture Beetles, Old House Borers, Powder Post Beetles, Round-headed House Borers, Swarming Termites

PLANT INSECTS: Alfalfa Caterpillars, American Plum Borers, Annual Bluegrass Weevils, Aphids, Apple Maggots, Armyworms, Artichoke Plume Moths, Bagworms, Balsam Woolly Adelgids, Beet Armyworms, Billbugs, Blueberry Spanworms, Cherry Fruit Flies, Cherry Fruitworms, Chinch Bugs, Codling Moths, Cowpea Curculios, Cranberry Fruitworms, Cranberry Weevils, Cucumber Beetles, Cutworms, Diamondback Moths, Elm Leaf Beetles, European Pine Sawflies, Fall Webworms, Filbert Worms, Flea Beetles, Grasshoppers, Green Cloverworms, Green Fruit Worms, Gypsy Moth Caterpillars, Hickory Shuckworms, Imported Cabbageworms, Japanese Beetles, Lace Bugs, Leaf Feeding Caterpillars, Leaf Miners, Leaf Rollers, Leaf Tiers, Leafhoppers, Lesser Appleworms, Lesser Peach Tree Borers, Loopers, Lygus Bugs, Mexican Bean Beetles, Mites, Mole Crickets, Naval Orangeworms, Northern Pine Weevils, Oriental Fruit Moths, Painted Lady Caterpillars, Pea Weevils, Peach Tree Borers, Peach Twig Borers, Pear Psyllid, Pear Slugs, Pecan Leaf Phylloxera, Pecan Nut Casebearers, Pecan Spittlebugs, Pecan Stem Phylloxera, Pecan Weevils, Pepper Weevils, Periodical Cicadas, Pickleworms, Pillbugs, Pine Chafers, Pine Coreid Bugs, Plant Bugs, Plum Curculios, Red Pine Sawflies, Red-striped Fireworms, Redheaded Pine Sawflies, Rindworms, Salt Marsh Caterpillars, Sap Beetles, Scales, Sod Webworms, Sowbugs, Spiders, Spittlebugs, Stink Bugs, Tarnished Plant Bugs, Tent Caterpillars, Thrips, Tobacco Hornworms, Tufted Apple Budmoths, Velvet Bean Caterpillars, Walnut Husk Flies, Western Bean Cutworms, Whiteflies

Target Uses

Onslaught Microencapsulated Insecticide is designed to provide long residual activity against pests listed on this label when applied as surface or spot treatments, injected into wall voids, or as a crack and crevice spray in and around residential and commercial structures, as well as on turf and landscaping. Onslaught Microencapsulated Insecticide may be sprayed on any surface that will not be stained by water. Labeled for over 200 insect pests, Onslaught is always a great place to start when looking for a residual insecticide concentrate.

Onslaught is an excellent broad-spectrum insecticide concentrate for use in general pest control applications such as quarterly preventative treatments. Because of the microencapsulation, Onslaught is a great choice for larger, tougher pests such as scorpions, roaches, or spiders. Onslaught also offers great control of flying and stinging insect such as mosquitoes and overwintering pests like boxelder bugs. Microencapsulation also means Onslaught performs well on porous surfaces like concrete without the visible residue of wettable powders.

Onslaught also won’t harm turf and ornamentals and is appropriate for dozens of these pests. Use Onslaught even in livestock facilities such as dairy barns, poultry houses, and horse barns (do not use on animals).

ACTIVE INGREDIENT: Esfenvalerate 6.4%

Application Instructions

Onslaught is designed to provide long residual activity against listed pests when applied as surface or spot treatments, injected into wall voids, or as a crack and crevice spray in and around residential and commercial structures, as well as on turf and landscaping. DO NOT use as a fogger or space spray.

Mixing Instructions:

Onslaught should be mixed with water and applied with hand pressurized or power operated sprayers.

  1. Shake container of Onslaught Insecticide before diluting. Clean spray equipment before use.
  2. For dilution, add approximately half the required water to spray tank and then add the appropriate amount of insecticide. Agitate and slowly add the remaining water. 3. Agitate spray thoroughly before using and also occasionally during use to ensure dispersion.
  3. If spray filter screens are used, they should be 50 mesh or larger.
  4. Apply two-second bursts of spray per square foot of area being treated. Avoid excessive application. Dampen surfaces but not to the point of saturation or run-off.

Standard Application Dilution Rates / Mixing Ratios:

  • 0.5 fl. oz. (15 mL)/gal. of water – 0.025% a.i. – Light infestations, maintenance, flying insects, ticks, fleas, lice and bed bugs indoors
  • 1.0 fl. oz. (30 mL)/gal. of water – 0.05% a.i. – Heavy infestations, initial cleanout, stinging insects
  • 0.1 to 1.0 fl. oz. per 1,000 sq. ft. – Ornamental trees and landscapes, lawns and turf – Use sufficient water to cover area.
  • 1 gallon of finished solution covers approximately 1,000 square feet.

Use in the Following Areas:

Indoors and outdoors, in food and non-food areas such as, but not limited to: homes, schools, warehouses, office buildings, apartment buildings, theatres, hotels, industrial buildings, motels, kennels, livestock housing, food processing plants, food service establishments, restaurants, supermarkets and grocery stores, transportation equipment, truck trailers, railroad cars, and food manufacturing and warehousing establishments. Food processing/handling establishments include but are not limited to: restaurants, meat processing plants, grocery stores, bakeries, food manufacturing and processing establishments, and food warehousing establishments. Also for use on backyards, lawns, trees, ornamental landscaping, recreational areas, parks and athletic fields.


Crawling Pests: Apply as a coarse, wet spray to surfaces where these pests are normally found. Treat floors, baseboards, around doors and windows, in attics, crawl spaces, eaves, corners, closets, walls, utility pipes, storage areas, and all cracks and crevices. Treat underneath sinks, dishwashers, refrigerators, stoves, the underside of shelves, drawers, cabinets, areas behind pipes, and in all places where these insects shelter. Contact as many insects as possible with direct spray. Repeat applications as needed, but do not exceed more than one application every seven days.

Fleas: Thoroughly apply as a fine particle broadcast spray to infested rugs, carpets, and pet resting areas. Prior to treatment, aquariums and fish bowls should be covered, and pet animals should be removed from the area being treated. Do not permit humans or pets to contact treated surfaces until spray has dried. Old pet bedding should be removed and replaced with clean, fresh bedding after treatment. DO NOT SPRAY PETS WITH THIS PRODUCT. Treat dogs and cats with a product registered for use on animals.

Bed Bugs: Thoroughly clean and sanitize mattresses and box springs. Treat mattresses and box springs with an approved pesticide, such as a pyrethrin aerosol. Apply Onslaught as a spot treatment to potential harborage sites and migration paths, and cracks and crevices, around baseboards, floorboards, head-boards, and walls. Not recommended as the sole treatment for bed bugs.


Other than applications to building foundations, all outdoor applications to impervious surfaces such as sidewalks, driveways, patios, porches and structural surfaces (such as windows, doors, and eaves) are limited to spot and crack-and-crevices applications, only.

Exterior walls, foundations, and structures: To control infestations of listed pests, treat exterior surfaces of buildings, walls, window frames, around garbage cans, eaves, cracks and crevices, porches, decks, gazebos, patios, carports, garages, fence lines, and other areas where pests are active or may be hiding.

To help prevent insect infestation of buildings: Treat a 2 to 6 foot band of soil or other substrate adjacent to buildings. Treat building foundation to a height of 2 to 3 feet. Treat exterior walls, eaves, cracks and crevices, and other areas where listed pests are active, and may find entrance into building.

Apply with sufficient water to adequately cover the area being treated, but do not allow dripping or run-off to occur. Alternate mixing directions are to use 2 to 4 fluid ounces of concentrate per 50 gallons of water.

Insect control for Ornamental Trees & Landscapes: For residential and commercial trees, shrubs, ground covers, and bedding and foliage plants that will not be harvested for food, apply Onslaught in appropriate volumes of water to obtain thorough coverage. Apply as a full-coverage foliar spray, applying to the point of drip but not runoff. Treat active soil pests with an application to surrounding soil. Repeat treatments as necessary to achieve control, using higher application rates as pest pressure and foliage area increases. Repeat applications as necessary, but no more than once every seven days. Certain plants may be sensitive to the final spray solution. A small-scale test is recommended to verify safety to ornamental plants. Spray and observe for one week prior to application of an entire planting.

Insect control for Lawns & Turf-grass: For best results, lawn or turf grass should be mowed 1 to 2 days before spraying. Treat with spraying equipment or a hand sprayer. Use application volumes of up to 10 gallons per 1,000 square feet to get uniform coverage when treating dense grass foliage. For low volume applications using less than 2 gallons of spray solution per 1,000 square feet, immediate irrigation with at least 0.25 inches of water is recommended to improve effectiveness on sub-surface pests. When hand spraying, spray using a slow, even sweeping motion, making sure to cover the entire lawn or turf grass area where pests are observed. Spray under ornamentals and trees. Repeat treatments may be necessary at 7 to 14 day intervals. Use 1 fl. oz. per 1,000 sq. ft. for mole crickets and chinch bugs.


  • Controlled release technology provides longer-lasting residual control.
  • Effective on a broad-spectrum of insects and related pests.
  • Flexible - may be used indoors and outdoors, in homes and in food and non-food areas of commercial structures.
  • No objectionable odor.
  • Easy to use formulation.
  • Kills for up to 12 months.
  • Labeled for over 200 insect pests, including crawling, flying, stinging, stored product, pantry, livestock, and ornamental plant pests

Extra Tips

  • Onslaught contains petroleum distillates.
  • Shake well before using.
  • Do not apply as a fogger or apply as a space spray.
  • Tank mix Onslaught with an IGR such as NyGuard IGR Concentrate to break the insect growth cycle and control future emerging insect populations.
  • Do not use on animals.
  • Not for use on plants being grown for sale or other commercial use. Not for use in nurseries, sod farms or golf courses.
  • Do not treat establishments where livestock feed is present.
  • Do not exceed more than 1 application every 14 days in food establishments.
  • Only dilute Onslaught with water.

Compare to: FenvaStar EcoCap

Rating Snapshot

5 stars   41
4 stars   16
3 stars   4
2 stars   2
1 star   11

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Average Customer Rating
4 out of 5 stars (74)

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Most Helpful Customer Reviews
  • 70 of 74 people found this review helpful:

    3 of 5 stars  Bitting mites
    By Aurore in Canton, GA on 08/04/2010
    Verified Purchase

    We had a very noticeable knockdown from whatever type of mites we have been fighting using this product. I used it in my car even and have not had anything work this good and the house is so much better. Second application will go down this weekend-I am encouraged! After using many other insecticides this has worked best for us. We just followed direction on the bottle.

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  • 61 of 64 people found this review helpful:

    5 of 5 stars  Highly effective, very economical and long lasting
    By Sean in Arizona on 05/07/2010
    Verified Purchase

    No odor, and non-staining, leaves no visible film or residue. When mixed and applied at the suggested rates, you get what the manufacturer promises: THREE months of highly effective pest control. It is apparently U.V. resistant, as we are in Arizona, and still get three months out of a single application. For reference, we are using this product for the control of: SCORPIONS, FIRE ANTS, BLISTER BEETLES, and EARWIGS.

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  • 42 of 47 people found this review helpful:

    5 of 5 stars  Great product
    By Carl in Hanford, CA on 12/07/2010
    Verified Purchase

    Onslaught is exactly as advertised. Works great on bed bugs. Follow all instructions on this product and it will take care of those pests. It beats paying Orkin $1,500 bucks to take care of something you could do yourself for $70. Also be careful of old furniture you bring into your house. No telling what kind of infestation that might be hiding inside it!

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  • 36 of 40 people found this review helpful:

    5 of 5 stars  Onslaught Insecticide
    By Frank in Lancaster on 05/15/2011
    Verified Purchase

    What can I say Great product!! Ants DEAD! Spiders Dead! Wasps Dead! And the best is Carpenter Bees DEAD DEAD DEAD!! I made a light mix for inside the house and the trees and shrubs, and a heaver mix for spraying the outside of the house. All my plant life is safe and green and we have not seen any types of insects in any of the treated areas in or outside the house.

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  • 30 of 31 people found this review helpful:

    5 of 5 stars  Onslaught Really Works
    By Paula in Shiner, Texas on 05/17/2010
    Verified Purchase

    Easy application. I did have a bit of a problem getting the liquid into the left side of the container (measuring unit). We love the fact that it is micro-encapsulated. We sprayed around our home, under our home and in the yard.  Absolutely no odor!  It has been two weeks and we just had several inches of rain so I an curious to see if the product will still slow release.  So far, we are extremely satisfied. The main reason for spraying was scorpions. We haven't seen one since spraying.

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Most Recent Customer Reviews
  • 16 of 18 people found this review helpful:

    1 of 5 stars  Does Not Work for Bird Mites
    By Erick in Los Angeles, CA on 08/27/2015

    I followed the intructions mixed it at .50% at first then at 1%, I sprayed the carpet in my room and living three times every seven days and the bird mites are still there. I an very disappointed after domyownpestcontrol recomended this pruduct and it did not do the job. I would not recomend it.

    Expert Response   Expert response:
    We appreciate your feedback. We do always make customers that have a bird mite issue aware that there is no great solution and we are always reluctant to make product recommendations for this reason. There is no current research on this pest and there are no products labeled for the bird mites in a home. As noted in all of our Q&A's and our bird mite article on our site, some folks have success using the Onslaught, Sterifab and Diatomaceous Earth dust combo and some do not. Since there is no research on the pest we are not sure why this happens. We suspect some folks have not found the hidden source of the problem, an abandoned bird nest or dead bird, and some may not be treating thoroughly enough and others have wrongly assumed they have bird mites. We always suggest getting suspected mites identified by a trained entomologist as some live on the skin and some live in the environment. If you are treating the environment for a skin parasite you will not receive the needed results. Please let us know if e can be of further assistance.

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  • 15 of 15 people found this review helpful:

    5 of 5 stars  Rat mites
    By Juan in ricmond ca on 10/10/2013

    It killed te rat mites in my auto facility.. pro pest company used tis product. no more mites.. It works. JC Ricmond ,Ca

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  • 14 of 16 people found this review helpful:

    4 of 5 stars  No Seeums
    By in Tampa, FL on 07/12/2013
    Verified Purchase

    Product worked well on 'no seeums'. But be careful when applying.....caused allergic reaction in dog after applying to bed and after allowing ample time to dry. Also, ensure very careful handling if spraying on furniture....do not allow to come in contact with skin.....strong irritation and itchiness even after it dries.

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  • 19 of 19 people found this review helpful:

    5 of 5 stars  Fleas Gone in Garage
    By in Ormond Beach, FL on 06/15/2013

    I used Onslaught after trying Conquer and Zenprox in my garage. This was the only product that kept the fleas away for 1 month + without re-application. I mixed with Precor and Nygard because the 2 IGRs work on different stages of flea lifecycle

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  • 10 of 12 people found this review helpful:

    3 of 5 stars  Very toxic-
    By Mike in murrieta, ca on 09/04/2012
    Verified Purchase

    didn't kill rat mites. but this stuff will seriously give you chemical burn. very toxic.

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  • 8 of 8 people found this review helpful:

    5 of 5 stars  Onslaught
    By Richard in Dorset, VT on 06/09/2011
    Verified Purchase

    I live in Vermont and have a lot of bugs here, especially ants. I have tried all the stuff you get at hardware stores etc. and have not been satisfied with them. After reading the reviews on this product I bought some. Sprayed around outside my house and this stuff works. Does not smell or leave odor and kills a huge variety of bugs. This product has killed ALL the bugs around the house. Very easy to mix and apply with handheld sprayer.

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  • 8 of 11 people found this review helpful:

    4 of 5 stars  Great service
    By Bb in Israel on 03/08/2011

    These guys were great to deal with and I would be happy to buy from them again. Product was shipped right away and packaging was good.

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  • 9 of 11 people found this review helpful:

    5 of 5 stars  cricket killer
    By Rod in la quinta, california on 09/01/2010

    I had crickets in the house real bad in the desert (palm Springs) area. One dose and they were gone and stayed gone for a whole summer. Just amazing. Also wiped oyt all other bugs. Tried all the home depot stuff and none of it worked. You would see the crickets just ignore the stuff!!!!

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  • 8 of 9 people found this review helpful:

    5 of 5 stars  Onslaught is Outstanding
    By Dan in Houston, TX on 08/17/2010
    Verified Purchase

    Never seen anything like it! I sprayed a year ago and just now beginning to see spiders in the house. Just bought a new bottle. Last year did my house, my neighbors house, my nephews house, and still had lots left. Gave it to a friend and they used it on several houses. Came out to be about $5.00 a treatment per house. I'm spraying when I finish this review. Love it!!! The measure bottle is a bit awkward, but we got it.

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  • 9 of 12 people found this review helpful:

    5 of 5 stars  Gone
    By Richard in Milton, In 47357 on 04/26/2010
    Verified Purchase

    After receiving the product immediately after ordering it, we mixed and applied and the beetles [lady bugs] nearly all vanished. We are very impressed and will share your site to our friends.

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Most Helpful Q&A's

11/01/2009 Sterling

QWill Onslaught kill bird mites? Nothing else seems to get rid of them.

AOnslaught will kill bird mites, but the problem with bird mites is finding the breeding source.  Onslaught may provide some relief, however many times mites will breed under carpet or in wall voids, where you cannot spray.  This is why treating for mites is very difficult and usually requires multiple products and lots of vacuuming.

41 of 43 people found this answer helpful.
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02/18/2011 Mat

QWhy is Onslaught so much more than others like Bifen and Conquer?
I did my research on the insecticide portion of my planned flea control program (will be mixing with an IGR). What does the Onslaught offer that products like Bifen, Conquer and Demise do not? The significantly higher price tag must be due to some increased benefits.


Each of the products you mentioned have different active ingredients, or different formulations and different manufacturers. So that we are comparing apples to apples, we will compare Onslaught and Conquer which both have the same active ingredient, Esfenvalerate and both are sold in pint size bottles. Conquer contains 3.48% of the active ingredient and Onslaught contains 6.40% of the active ingredient. You will use 1 ounce of Conquer to make 1 gallon of finished solution for flea control while you will only use .5 of Onslaught to make one finished gallon of solution for flea control. Conquer is labeled for about 50 insects, Onslaught is labeled for about 200. Onslaught also has the benefit of being micro-encapsulated which makes it safer to use indoors and makes it last longer outdoors. 

Bifen is not a good choice for indoor flea control because it cannot be used over carpeting or on furniture It can only be used in cracks and crevices around the perimeter of the room. Demize EC is a great product, which offers a fast  knockdown but it does not offer any residual control and it can only be used indoors.

38 of 40 people found this answer helpful.
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03/08/2010 James

QIs it safe to use a full ounce of Onslaught one week after application?
I have recently sprayed Onslaught in my apartment twice for bird mites at 1/2 ounces per gal. each time with about 8 days in between with Gentrol the first time. Is it safe for me to use a full ounce next after another week?

AAccording to the Onslaught Product Label, you can use Onslaught at the "heavy infestation" rate of 1 ounce per gallon of water every seven days. Gentrol is not labeled for mites and therefore is not recommended for bird mite infestations.

23 of 25 people found this answer helpful.
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08/26/2010 Debi

QWill Onslaught continue to kill black widow and brown recluse spiders even after it has dried?

AYes. Onslaught will leave a long lasting residual that will continue to kill spiders for a month or more. Onslaught will also help get rid of the insects that spiders feed upon which helps to prevent new spiders from moving in.

21 of 22 people found this answer helpful.
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12/30/2010 Travis

QWill Onslaught kill wolf spiders?
These spider's seem to be every where. In the year and a half that me and my wife have lived in the home we have found or killed over 200. Not that I'm actually keeping count but it seems every day I go into the basement there is a new one laying somewhere. I have also killed many in our yard while mowing. They are becoming rather large and I can see them going over twigs and see the grass moving as I mow. I bought a product at Walmart last summer and it seemed to help, I sprayed around the baseboards and the spiders didn't make it 4 inchs away before they were dead. But I can't seem to stop them from getting into my house. Will onslaught help or what product do I need?

AGenerally speaking, Onslaught will kill wolf spiders, but it does not offer a fast knockdown. Onslaught is micro-encapsulated and can take several hours to kill the spiders. We usually recommend Cyper WP because it offers a faster knockdown and the same residual as Onslaught and it can be used for indoor and outdoor spider control. The active ingredient in Cyper WP is cypermethrin, which is known to be one of the top choices for spider control. Spraying Cyper WP will also help to get rid of the insects that spiders feed on and that will help to stop new spiders from moving in. Indoors, spray around all baseboards, door frames, window frames, under appliances, in closets and storage rooms and in areas where utilities (cables, pipes, wires) enter into the structure. Outdoors you should spray around the bottom of the foundation, on the ground adjacent to the foundation, door frames, window frames and places where the utilities enter into the structure and any other place insects can harbor.  We have included Cyper WP in our spider control kit, which also contains glue boards to help monitor the infestation (and help catch the spiders too).

18 of 21 people found this answer helpful.
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Most Recent Customer Questions

10/28/2014 Barbara from Tyler, Texas

QWhat dust should I use along with Onslaught for bird mites?

AWe would recommend using Cimexa Dust for a Bird Mite infestation. CimeXa Dust is 100% Silica dust, is very safe, odorless, and will not stain.  CimeXa Dust will last up to 10 years when applied to undisturbed areas like wall voids. It is very effective on a broad spectrum of different insects including Bird Mites. When pests come into contact with CimeXa, the product clings to their exoskeleton and absorbs the waxy coating, causing death from dehydration.

10 of 11 people found this answer helpful.
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04/27/2014 Sherrill from Bridgeton Nj

QCan onslaught be used on bare floors?
I want to use onslaught indoors against bird mites. Under the usage instructions it sounds like it can be sprayed on bare floors. I would want to spray it all over my bare floors and walls and carpet but I go barefooted a lot, so would this be a problem?

AYes, you can safely and effectively spray Onslaught Insecticide indoors as a floor broadcast for bird mites. Be sure to allow the floors to fully dry. Once the treated area is fully dry you may re-enter the treated area with bare feet safely.

13 of 13 people found this answer helpful.
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11/12/2013 Chuck from Alba Tx

QI have mites, have them for a few years, what do you recommend, I use Suspend SC
I can not see them or catch them, they craw on me and bite at times and at times go for my eyes, they like my feet at times. Suspend works a little but they keep coming back, and I have tried everything you can think of even moving. I have not talked to you for a few years and thought maybe you have found something that works better than suspend.

AIt is important to be absolutely sure you are actually dealing with mites. Have the suspected bird mite identified by a reputable source, such as your local cooperative extension office or a reputable pest control operator. Treatments will vary for different pests. Treatment for say bedbugs is much different than the treatment for bird mites.  Removal of the infested nest or bird and a thorough cleanup is necessary. For treatment in the home, we recommend you frequently vacuum all carpet and upholstery and dispose of the bag or vacuum contents in a sealed bag outdoors. Spray Sterifab on couches, chairs and other upholstered furniture where you may spend time resting. Use MotherEarth Dust in all cracks and crevices around the perimeter of the room. Apply a thin coat of MotherEarth dust to rugs and carpets. Rake (not sweep) nap back and forth, causing dust to enter rug or carpet. Let product sit overnight. Repeat application as necessary and vacuum every 3 - 4 days for effective control. MotherEarth Dust does not have a fast knockdown, it can take several days for insects to die after they contact the dust. Onslaught can be used for a faster knockdown. Thoroughly apply as a fine particle broadcast spray using a hand pump sprayer to infested rugs and carpets and other cracks and crevices around the perimeter of each room. Put all clothes through the dryer on high heat to help kill mites and their eggs.We have had many customers use the above recommendations with great success. Most customers report that it can take several months to get rid of all of the mites. Finding and removing the source of the infestation is very important and is the key to getting rid of the mites for good.

12 of 12 people found this answer helpful.
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08/23/2012 Michelle from Perry, Oklahoma

QIs Onslaught safe around pets?
I have two miniature dachshunds that stay indoors most of the time and two rottweilers that are on the outside. We want to treat our home for scorpions, wolf spiders, flees and other insects but want to make sure it is safe around our pets.

AOnslaught is pet safe as long as you follow the product label. Be sure pets are out of the area while you are doing the application and they can return to the area as soon as it is dry.

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10/09/2011 Meg from Nj

QIs Onslaught labeled to spray furniture for fleas?
My groomer just informed me that my dog has fleas. She sleeps on the couch all day long and I would like to spray it with something. I'm going to treat the entire house and was looking for a product that I can use everywhere. Can I spray Onslaught on the couch?

AOnslaught is not labeled for use on furniture. We recommend that you use Ultracide for the indoor treatment as it can be used on all carpeted areas, pet bedding and upholstered furniture. Ultracide Spray contains Permethrin and Phenothrin to kill adult fleas fast. It also contains Methoprene (an insect growth regulator) to prevent reinfestation for up to seven months. Methoprene penetrates deep into the base of carpet and upholstery fibers, where pre-adult fleas live, and targets fleas in the egg and larval stages of development, preventing them from producing new infestations of breeding, biting adults. Be sure to thoroughly vacuum immediately before the treatment and every day for the next 14 days to help speed up flea elimination.

8 of 8 people found this answer helpful.
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03/19/2011 David

QIs Onslaught safe for a kids play area?
I would like to spray this chemical in my kids play area to control ants and other pests as well. Once the spray dries, is it safe for the kids to play in the grass, etc?

AYes. Be sure the children are out of the area while you are doing the actual application and they can return as soon as the area is dry. Do not spray Onslaught on toys or play equipment.

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01/31/2011 Darryl

QHow fast does Onslaught kill bedbugs? Does Onslaught kill the bedbug eggs?

AOnslaught is a micro-encapsulated product. Micro-encapsulated products can take a bit longer to kill insects because the capsules need time to dry out and crack open to release the active ingredient. Most insecticides do not kill bedbug eggs which is why it is so important to do follow up treatments at 7-10 day intervals. Concentrated insecticide sprays should only be one part of a bedbug control program. You should also use an aerosol spray with a straw attachment to get into cracks and crevices and an insecticide dust in wall voids and other concealed areas.

9 of 14 people found this answer helpful.
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10/10/2010 Anonymous

QAfter spraying insecticide, how long do I need to wait before I can mop the floors and baseboards?
Exterminator sprayed Onslaught (I believe) combined with Gentrol. I just purchased Bedlam to spot treat on my own too.

AYou did not indicate what pest you are treating for, but we assume you are treating for bedbugs because of the purchase of Bedlam. Bedbug treatments are mainly applied directly to cracks and crevices where these pests hide. Mopping or wiping down the baseboards should not effect the product that is in cracks and crevices around the baseboards. If we have missed the mark though and you are treating for a different pest then mopping or wiping down the baseboards could remove the residual product and pests crossing over the area would no longer be controlled by the products. It would be our recommendation to avoid wiping or mopping the treated area until the pest insect is gone to avoid disturbing the residual properties of the products.

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08/29/2010 Eddie

QWhat is the mixing ratio of Onslaught. Do I add water and then spray? If so, how much?

AOnslaught is a concentrated liquid insecticide that must be diluted with water. You will use .5-1 ounce of Onslaught per gallon of water depending on what pest you are treating for. We strongly recommend that you read the Onslaught product label to learn the correct ratio for the pest you are trying to get rid of and the area you are treating. For your convenience all product labels are available on individual product pages in the product description box.

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07/14/2010 Aurore

QShould I use Onslaught or Demand for bird mites?
If I use Onslaught and Nylar for bird mites, it should be a good combination? How often should I treat? Can I treat a whole carpeted area and furniture? And of course, I know to do lots of vacuuming!

AYes, lots of vacuuming is required! We recommend Onslaught for bird mite control because it is labeled to spray over carpeted areas. You should not treat more than one time per month. We recommend using Sterifab for upholstered furniture such as couches and chairs. We really cannot recommend the Nylar IGR for bird mites because it is not labeled for this type of insect.

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