Delta Dust Insecticide - Questions & Answers

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  • Asked by Sean
    09/29/2025
    Q
    Will delta dust work for yellow jackets in the house walls?
    A

    Yes, Delta Dust Insecticide can be used to kill yellow jackets. You can find helpful tips and information on our article of How to Get Rid of Yellow Jackets.

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  • Asked by Giles from Amherst Nova Scotia Canada
    09/05/2025
    Q
    Hornets in void between wood planter and concrete basement wall
    How to get rid of them?
    A

    Although Delta Dust Insecticide is not labeled for hornet control, you could consider thoroughly dusting the void entrance and the surrounding areas with Tempo Dust using a hand duster.

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  • Asked by Evelyn from Beaverton, Oregon
    08/26/2025
    Q
    We have yellow jackets in the ground under the vinca minor near the house.
    will Delta Dust work? and how to apply it
    A

    Delta Dust works well and provides excellent coverage when applied in and around the nest. Delta Dust lasts 4 to 6 months and will result in a quick kill. Apply dust liberally using a bulb duster (for easier application) and repeat in 3 to 4 months to control for newly hatched yellow jackets.

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  • Asked by Janey from Oklahoma City, Ok
    08/05/2025
    Q
    Will Delta Dust kill house geckos?
    A

    No, Delta Dust Insecticide does not control geckos. We do not carry any products to kill lizards. 

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    1 of 1 people found this answer helpful.
  • Asked by Patty from Dallas Tx
    07/23/2025
    Q
    Kill wasps in a downspout
    I have a wasp infestation in a downspout. I cannot see the nest but I do see the flying in and out of the open top which is not accessible from the roof. The opening is about 15 feet from the ground. Can I use Delta Dust for this purpose and if so, how can I get it to the top of the downspout?
    A
    Delta Dust Insecticide should not be applied in a downspout. We recommend checking for any debris and clean inside there and ensure they are installed securely. May need to have a professional remove the nest (when they are the least active) and seal crevices around the gutter. The structural voids can be dusted and a residual spray applied monthly to listed exterior areas as well as using wasp traps. Here is a great article on inspecting, treating and preventing wasps. 
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  • Asked by Buddy from Batesville, Ar
    08/16/2024
    Q
    How long does it take to kill a wasp nest that you can't get to the nest using deltamethrin .05 percent dust?
    A

    Delta Dust Insecticide is an insecticide dust only and not a bait.  While some insects can pick it up and transfer it to others they are in contact with, it alone will not eliminate a colony/nest unless you are directly dusting it or any holes where insects are coming and going. This process can take a few days or longer depending on the target pest and level of infestation.

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  • Asked by Larry from Littleton
    07/03/2024
    Q
    Shelf life three years from manufacturing date or three years since the bottle was opened?
    I received a bottle of Delta dust that has a manufacturing date of 01–2023. If I was wondering is the shelflife three years from the date now that I open it or is it three years from the manufacturing date meaning this bottle is only good for one and a half more years thank you.
    A

    Delta Dust Insecticide has a shelf life of 3-5 years once opened. 

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    2 of 2 people found this answer helpful.
  • Asked by Mary from Crivitz, Wisconsin
    06/04/2024
    Q
    Use outside on oak tree base and surrounding turf spongy moth caterpillars. Is it safe for my dogs?
    When is it safe for dogs to enter area?
    A

    Delta Dust Insecticide is not labeled for gypsy moth caterpillars and should only be used as a crack and crevice application using a bellow hand duster around exterior and interior windows, doors, gaps/cracks in siding, around where utilities come into the home. This would not be used out in open areas.
     
    Talstar P would be a better choice to spray on the branches, foliage, trunk and around the base of the tree under the canopy. Talstar P can also be applied to lawns, ornamental shrubs, bushes, trees, flowers as well as to the exterior foundation of the home.  For Gypsy Moth Caterpillars, apply at the rate of 0.125 - 0.25 fl oz per gallon of water. Please review the full product label for more information. 

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  • Asked by Krista from Franklin, Tn
    05/30/2024
    Q
    How to treat attic with Delta Dust?
    What is the best way to puff Delta Dust into the attic area, and do I need to take any precautions as I have an HVAC unit in the attic? Does the unit need to be turned off for a period of time?
    A

    Delta Dust is best applied in cracks and crevices with a hand duster. This product should be applied in areas where it will not be disturbed, such as directly inside wall voids, under baseboards etc. You should not apply near HVAC systems.

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  • Asked by Elda from Pensacola, Florida
    04/21/2024
    Q
    Is there a way I can mix it with water and spray the liquid to get rid of cockroaches?
    A

    Delta Dust Insecticide is dry powder only and would not be mixed with water and sprayed.  Suspend SC would be a concentrated option with the same active.
     
    Please take a look at our roach control guide for the best advice on how to effectively eliminate roaches.

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  • Asked by John from Charleston, Sc
    01/08/2024
    Q
    Delta Dust is labeled for crawlspaces. Does that also include ones that are encapsulated?
    With or without a dehumidifier?
    A

    Yes, Delta Dust Insecticide is labeled for use in crawl spaces as directed on the product label.

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  • Asked by Marilyn from Philadelphia Pa
    10/23/2023
    Q
    Can you use delta dust around your pets?
    I have a cat is it safe to use
    A

    Delta Dust Insecticide is safe for pets as long as used as directed. Make sure you keep them out of the area while applying & they may return once the dust has settled 

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    0 of 1 people found this answer helpful.
  • Asked by Connie from Yamhill
    09/02/2023
    Q
    Does delta dust kill in ground yellow jackets?
    A

    In ground nests are best treated with a dust being puffed into the holes they are entering and exiting from and around the hole entry. Tempo 1% Dust and Delta Dust are our two most popular choices for this application. You can use something like a B&G Bulb Duster or a Long Shot Puffer Duster for applying the dust to the holes. You will want to squeeze the duster about 5-6 times applying a light but thorough coating of the dust to the treatment area. Apply late in the evening or at night with a flash light when they are least active and back in the nest. It can take at least a week or so for the entire nest to be eliminated in each hole. If you still see activity coming and going after about 10 days you can retreat the same way with the dust to knock out the rest of the nest.
     
    Tempo 1% Dust: https://www.domyown.com/tempo-dust-p-391.html
     
    Delta Dust: https://www.domyown.com/delta-dust-insecticide-p-44.html
     
    B&G Bulb Duster: https://www.domyown.com/bg-bulb-duster-1150-p-769.html
     
    Long Shot Puffer Duster: https://www.domyown.com/long-shot-puffer-duster-p-11745.html

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  • Asked by Nick from Covington, Ky
    08/05/2023
    Q
    Delta dust damage plants/shrubs?
    I have an underground yellow jacket nest I want to treat but it is right under an oakleaf hydrangea shrub. Will the dust harm the shrub?
    A

    Delta Dust Insecticide is safe to be applied near/around ornamentals, it would not damage them in any way 

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  • Asked by Susan from Newton, Ma
    07/26/2023
    Q
    How to clean Delta dust in the ceiling?
    A

    You may wipe up excess Delta Dust Insecticide https://www.domyown.com/delta-dust-insecticide-p-44.html with a damp paper towel. Dead insects may be cleaned up with a vacuum or dust pan and broom.

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    1 of 1 people found this answer helpful.
  • Asked by Phyllis from Clinton, Maryland
    07/22/2023
    Q
    Can the product be applied directly to tree leaves, branches, and plants?
    There are wasps flying around my tree. I am unable to find a nest
    A

    Yes, Delta Dust Insecticide will have no effect on the foliage of the plants and can be put anywhere on plants that are not edible. 

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  • Asked by Andrew from Kentucky
    06/23/2023
    Q
    Delta Dust for Leaf Miners on Boxwoods
    Our neighborhood is getting hit with leaf miners and my boxwoods have started showing signs of infestation (3% area affected). I applied Delta Dust today but worry if I applied enough. I went around each bush 2-3 times with a duster but not sure if should re apply. How long before I should wait to apply more and knock these pests out?
    A

    You can apply Delta Dust Insecticide as often as needed, it will kill targeted pests within 24 to 48 hours and it can stay active for several months after the application.

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  • Asked by Juliet from Dallas, Georgia
    06/03/2023
    Q
    Can I preemptively put Delta Dust on the bald dirt patches just before the Killer Cicada Wasps start hatching?
    Last year I had about 100 of these bugs. I hired 3 pest control companies to help. I'm too scared to go outside after they've come out of the ground. Will the Delta Dust get on the newborn as they open a hole to crawl out? As long as they touch the pesticide, it should work, right?
    A

    Delta Dust Insecticide is best used to treat individual holes.  It cannot just be broadcasted over outdoor areas.  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 in 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 foolproof way to prevent cicada killer wasps. Keep in mind that cicada killers are beneficial and only active for a short time each year. Making the soil/environment less conducive to their burrowing is the best long-term solution if you have concerns about them.

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  • Asked by Janel from Lago Vista
    06/02/2023
    Q
    Safe to be inside the house with AC on while delta dust is sprayed in the attic?
    Is it safe to have your Air conditioner on and be inside the house while Delta dust is sprayed?
    A

    Yes, Delta dust is safe when used as directed per the label. As long as you're applying around vents in crack & crevices where insect may enter and not directly inside vents. In addition, Delta Dust should not be broadcast over the entire attic. Instead you should only concentrate on dusting the cracks, crevices, voids and other areas where these insects may harbor.  This would be done using a hand duster like the Bellow Hand Duster.

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  • Asked by Rebecca from Tucson, Az
    05/28/2023
    Q
    Black widows inside fireplace...
    We had a black widow inside our fireplace in the family room. We were able to kill it but are now worried that it laid eggs inside the fireplace. Can we place delta dust inside the fireplace? Is delta dust effective for black widow egg sacks?
    A

    You cannot use insecticides, including the Delta Dust Insecticide, inside your fireplace. Instead, we suggest lighting a fire for a brief time to kill any remaining spiders or eggs. 

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Displaying 1 to 20 (of 204 questions)