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Average Rating

Rating: 4.6

324 Reviews | 176 Q&A

Product Overview

DELTA DUST containing deltamethrin is the world's first and only 100% waterproof insecticide dust, so it works in the wet and damp places that insects love. Nothing short of running water will disturb it, making Delta Dust an ideal crack and crevice treatment. Delta Dust should be applied with a bellows hand duster (sold separately) which allows you to easily apply the dust in hard to reach areas. One application of Delta Dust will keep on killing insects for up to eight months.

Delta Dust for Bed Bug Control: Delta Dust should not be the only product used in the fight against bed bugs as it does not kill quick enough. For best results, use a contact kill such as Sterifab or Bedlam or an insecticide such as Temprid FX in addition to Delta Dust. Our Bed Bug Control Kits contain everything you need to treat for bed bugs.

Bayer Environmental Science Professional is now Envu.

Envu will continue to offer the same great insecticide, herbicide, and fungicide brands you depend on and trust – including Maxforce, Temprid FX, Suspend SC, Suspend Polyzone, Tempo SC Ultra, Celsius WG, Merit, and more. The packaging will slowly transition to Envu branding.

Product Documents

Features and Specs

Active Ingredient	Deltamethrin 0.05%
Target pests	Ants, Bedbugs, Cockroaches, Fleas, Silverfish, Scorpions, Sowbugs, Millipedes, and others * See label for complete list
For use in	Residential & Commercial, Cracks & Crevices Indoors and Outdoors
Formulation	Professional Product
NOT FOR SALE TO	MD, NY (Restricted To Licensed Applicators Only)
Coverage Area	1 lb. Covers 1,000 sq. ft.
Shipping Weight	1.12 lbs
Manufacturer	Envu (Formerly Bayer) (Mfg. Number: 4191071)
EPA Registration	432-772

Details

DeltaDust containing deltamethrin is the world's first and only 100% waterproof insecticide dust, so it works in the wet and damp places that insects love. Nothing short of running water will disturb Delta Dust, making Delta Dust an ideal crack and crevice treatment. Delta Dust should be applied with a bellows hand duster (sold seperately) which allows you to easily apply the dust in hard to reach areas. One application of Delta Dust will keep on killing insects for up to eight months.

DELTADUST Application Tips:

DeltaDust is intended for application with a hand or power duster (Actisol DPA or similar equipment), with a paint brush or by other suitable means, for hiding and runaway areas and other places where insects are found.
In living areas, apply in such a manner as to avoid depositions on exposed surfaces or introducing the material into the air. In the home, all food processing surfaces and utensils should be covered during treatment or thoroughly washed before use. Exposed food should be covered or removed.
To apply insecticide directly into cracks and crevices, use a bulbous duster or other suitable equipment. Apply lightly and uniformly to infested area. Pay particular attention to: cracks and crevices, service ducts, floors and ceilings, wall voids, around electrical and telephone fittings and equipment, around water and sewer pipes, under and behind cabinets, refrigerators and sinks, around windows and door frames, along baseboards, in attics and crawl spaces. The amount to be applied will vary with the site but should usually be in the range of 2-3 grams of DeltaDust per square yard (or 0.5 lbs per 1000 square feet).

Proper Dusting Tips:

When applying, the duster should be filled only halfway - no more than two-thirds full. This allows for adequate air space to create the desired air/dust mixture prior to application. If there is too much dust in the duster, clumps of dust on treated surfaces may result, leading to overapplication of the product and messy spills.
Between each squeeze, the duster should be shaken slightly to get dust floating inside the unit.
When applying dust into cracks and crevices and on surfaces, gently squeeze the duster to ensure the application of very thin layers of dust. When dusting correctly, you should barely be able to see the dust emerging from the tip of the duster.
Before relaxing your grip on the duster, pull it away from the surface or crack you are treating to prevent sucking up lint, moisture or debris. Small amounts of these items will eventually cause lumping and/or clogging of the duster.
Place several pebbles or small ball bearings in your duster to keep the dust agitated and ensure than any clumps are broken up prior to application. Also, always keep the screen inside the duster in place as this is designed to help maintain a fine dust consistency.
When treating around electrical outlets, use dusters fitted with plastic or fiberglass spouts, or place a small section of rubber hose or plastic tubing over the metal tip to avoid contacting electrical wires. These tubes will also enable you to reach around corners and beneath cabinet voids that would otherwise be impossible to treat.
Carry a small brush and a damp cloth. These can be used in the event that dust accidentally drifts out of cracks and crevices and onto non-target areas. Use the brush to push excess dust into cracks, and use the cloth to wipe up.
Do not apply dust to baseboards.
Apply dust carefully and judiciously so it does not travel to areas where it might represent a hazard. Prevent food contamination by not applying dust to where it could filter down onto food or food areas after it is applied. Also, be aware of any air currents that could transfer dust to containers or other objects, leading to food contamination.
If the applicator is to apply any kind of dust for extended periods of time, he or she should wear a respirator approved by the National Institute of Occupational Safety and Health (NIOSH).
When using high-volume or high-pressure equipment to apply dust in attics or sub-floor crawl spaces, wear a NIOSH-approved respirator. Also, shut off fans, air conditioners, and hot-air heating equipment if necessary. If the dust is combustible, put out all flames and pilot lights, and shut down all spark-producing equipment in the treated area to avoid explosions.
In general, do not place the tip of the duster in a moist location or allow the duster to sit in moist environments as it will absorb water and become clogged. Clogged dusters can be cleaned by scraping out the spout with a piece of stiff wire.
Always follow the label when using DeltaDust.

Customer Reviews

Average Customer Rating

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5 stars

265

4 stars

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1 star

Worked GREAT!

By Jennifer on 09/28/2008

The siding on my home is red cedar and apparently it is a favorite treat for CARPENTER BEES. They were making terrible holes in the siding like perfectly round bullet holes, and then the woodpeckers would come along and peck at the wood making long channels so they could reach the carpenter bees behind the wood. It was a mess. My painters filled the wood with BONDO and caulk and wood filler...but that did not stop the bees. Over night they bored right through ALL of the products and the fresh paint. I called three exterminators but everyone told me they would spray and I would have to pay again and again in a few months because you could not kill them with just one spray. I BEG TO DIFFER! I found Delta Dust and I puffed it into the fresh new active holes that the bees made after painting. Within 24 hours I picked up over thirty dead bees on the ground around my house (I have small dogs and I did not want them eating dead poisoned bees). By 48 hours the count had risen to over SIXTY dead bees... and there are NONE flying around the holes, or siding any more! DELTA DUST IS A MUST for carpenter bees. It worked GREAT!!!!

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170 of 183 people found this review helpful
Amazing!

By Rhonda on 06/23/2006

We have ordered Delta Dust in the past to control Brown Recluse Spiders. It is amazing! We had our house sprayed for several years, twice a year, and we would still have Brown Recluse Spiders. I found your website and ordered Delta Dust from you, and our Brown Recluse Problem has been cut in half. We continue to apply the Delta Dust and see great results. Thank You!! P.S. We use it as a perimeter treatment and also in wall voids, in the attic space and under the house. I am very thankful for your product as we were killing approximately 5 spiders a week before we used the Delta Dust. I still find them now and then, especially when the dust has been washed away outside.

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109 of 119 people found this review helpful
This stuff saved my sanity and my marriage!

By A on 06/23/2011

My husband picked up bed bugs in a four star hotel while away for work in the UK. We know that's where he got them because he'd seen one inside his suitcase the day he returned and he was asking me if I knew what it was. I didn't and we just thought it was "a bug" not realizing that a within a week we'd both be covered all over our abdomens and arms with the nasty bed beg bites. We vacuumed, cleaned, tossed bedding, dry cleaned etc but they kept coming back. Until I did my research and discovered Drione dust. Follow the instructions to a T and you'll succeed in eradicating those evil, disgusting pests. We also did the "Vasoline" around the feet of our bed which helps keep them from climbing up the bed from other areas of the home. It was HELL. HELL!! But we beat them. We also bought the air tight mattress and box spring protectors. They work! It's all good, it all helps. Good luck!

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89 of 97 people found this review helpful
Delta Dust for Yellow Jackets

By Vr on 08/30/2010

Verified Purchase

Used it for yellow jackets, seems to have done the job. It took a couple of days, but they are gone.

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80 of 82 people found this review helpful
Great results!

By Carrie on 01/13/2007

I use a hand duster to puff Delta Dust into wall voids by inserting the duster underneath my baseboards. It will kill whatever is living inside the walls or travelling along the perimeters of the room. Also used Suspend SC (liquid version of Deltamethrin) with a gallon sprayer on top of the dust for an added punch-- this duo of Delta Dust and Suspend SC has given me great results in getting rid of earwigs, spiders, ants, and fleas.

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73 of 79 people found this review helpful

See all 324 customer reviews

Questions & Answers

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Does Delta Dust absorb pheromones and odors?

I'm trying to get rid of Cicada Killers. Does Delta Dust absorb pheromones and odors like I've read Drione Dust does to prevent future infestation?

Per the manufacturer, Delta Dust Insecticide will dry out the insects and they absorb it externally when they come in contact with it. Delta Dust works similar to how a wettable powder affects insects when they walk across a surface that it's applied to. Both have pyrethroids as the active and shut down nervous system. They don't have any research regarding the product absorbing pheromones and odors.

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1 of 1 people found this answer helpful

How can I eradicate yellow jackets in or under a foundation bush?

Please check out our article "How to Get Rid of Yello Jackets". If you can get close we highly recommend applying a dust like Delta Dust that is water proof and when the yellow jacket comes in contact with it, the dust will transfer from bee to bee killing adults and larvae.

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0 of 2 people found this answer helpful

My 50 pound dog licked a carpenter bee most likely killed by Delta Dust. Should I be concerned?

If Delta Dust is inhaled or ingested in large quantities your dog could have an adverse reaction to the dust. In small quantities, like licking a dead insect, you most likely would not see any reaction other than sneezing as the dust could be irritating to the mucus membranes in the nose and mouth.

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1 of 1 people found this answer helpful

Is delta dust the best all around product for crawl space for spiders,crickets,earwigs, etc?

I am considering getting a b&g electric duster. I want something to do my crawl space, outside perimeter of house and the shed inside and outside perimeter. Right now I have a b&g bulb duster and Intice Granular Bait. The more I read it seems dust is the way to go. I really don't want to crawl any farther under the house than I have to, but I would like to kill every insect under there. We only have those insects listed above. I figure if I kill them all under the house and around out side perimeter they wont get in the house. Inside we get earwigs and spiders not many but 1 is more than we like. Question is, is that the way to go electric duster bulb duster and delta dust?

The Delta Dust would be an excellent option to use with the B&G Electric Duster for attics, crawlspaces or other large areas. It covers all the insects you mentioned you are looking to control and many others, and is water proof so in protected areas like crawl spaces it will provide a good residual.

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5 of 5 people found this answer helpful

How often can I apply Delta Dust in a house?

You can apply Delta Dust as often as needed, however Delta Dust like any other dust products are meant to be applied only in wall voids, cracks and crevices, underneath appliances, etc. It should not be applied out in the open. When you apply Delta Dust correctly in these places, it can last up to 8 months, so you don't need to apply Delta dust but every so often.

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39 of 40 people found this answer helpful

If dusted as directed into wall voids, will it simply just fall to the bottom of house and not be as useful?

As in, doesn't gravity eventually come into play and the dust falls to the bottom of a house's foundation, therefore not kill insects further up, like 2nd floors and higher?

When applying the Delta Dust Insecticide in wall voids and around electrical boxes the dust settles down in between the the studs and the sheetrock that make up the insides of your walls. There is no space for the dust to fall all the way down to the foundation of the home since there are studs, subflooring, pipes, wiring, etc in the walls. The dust settles down into the cracks and crevices and other areas that the insects crawl through. This is how they come in contact with the product and how it eliminates them.

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1 of 1 people found this answer helpful

Will this help against "Homoeosoma nebulella a.k.a Sunflower moth". Please need help ASAP.

I did research and found my sunflowers have sunflower moth and I want to know if this product would help me. Also I would like any other insecticide recommendation to fight off sunflower moth. Thank You

We would recommend to use Dipel Dust and applywhen the flowers begin to shed pollen; this is when the eggs of the moths have hatched and the larvae are beginning to grow but before the seeds have formed. You can apply early morning or late afternoon to minimize bee exposure.

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2 of 2 people found this answer helpful

Is Delta Dust good for scorpions? I've found they are very difficult to get rid of.

I live in Las Vegas and just moved into a neighborhood that has a real problem with scorpions. I've never had to deal with them before and finding it very difficult. Please help!!

Delta Dust is good to use as part of a scorpion control program. Delta dust can be applied using a hand duster directly behind baseboards, to window and door frames, corners, pipes, storage locations, attics, crawl spaces, and other areas which these pests may enter or crawl. We also recommend that you use a concentrated liquid insecticide such as Demon WP around the outside perimeter of your home to help create a barrier to keep these pests out. You should treat a band of soil 6 - 10 ft wide around and adjacent to the building. Also treat the building foundation to a height of 2 - 3 ft where pests are active and may find entrance. It is important that you do not rely on insecticides alone to control scorpions, you should also make some changes outdoors to make your property less favorable to this pest.

Non-insecticide methods for scorpion control are:

Harborage Removal- Harborage removal is key to scorpion control and will greatly reduce the numbers of scorpions in the area surrounding the structure, making it far less likely that they will enter. Harborage removal includes eliminating piles of lumber, bricks, and other stacked items that create clusters of tight spaces, elimination of vegetation and other heavy ground coverings near homes and buildings, trimming back tree and shrub limbs from walls and roof, and keeping gutters clear of leaves and other debris.

Exclusion- Scorpions and other pests can be kept out of structures to a large degree by installing tight-fitting screens, weatherstripping around doors and windows, and caulking cracks and crevices.

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22 of 25 people found this answer helpful

How can I use Delta Dust in an attic with blown in insulation?

I have blown in insulation in my attic and want to use Delta Dust, I am unsure if the carpet beetles are under the insulation or not, but I have seen some adult carpet beetles around the attic door. What is the best was to dust an attic that has blown in insulation without disturbing the insulation.

Delta Dust Insecticide should not be broadcast over the entire attic. Instead you should concentrate on dusting the cracks, crevices, voids and other areas where these insects harbor. This would be done using a hand duster like the Bellow Hand Duster. To learn more about carpet beetle elimination, please take a few minutes to read our article on Carpet Beetle Pest Control

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1 of 2 people found this answer helpful

Will Delta dust kill cicada-killer wasps that burrow in the ground?

There was one hole in the ground two years ago that has now grown into about 20 holes. When it warms up, it will look like a navy jet base in my back yard.

Cicada Killer wasps thrive in disturbed environments, such as landscaped yards and places where bare soil is exposed. You can discourage the wasps from nesting in your yard by cutting your grass on the highest setting and by adding a thick layer of mulch to flower beds during the Cicada Killer Wasp season. These wasps do not like over saturated lawns either, so over watering during their season will help prevent them. Unfortunately, there is no fool proof way to prevent cicada killer wasps. For current infestations, you would need to use Delta dust in each individual burrow.

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17 of 20 people found this answer helpful

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Delta Dust Insecticide Rating: 4.6 (324 Reviews / 176 Q&A)

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Delta Dust Insecticide

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