Demon WP Insecticide - Questions & Answers

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  • Asked by Jay from San Angelo, Ca
    05/14/2018
    Q
    Will Demon WP Insecticide kill carpenter ants?
    A

    Yes, Demon WP all species of ants, including carpenter ants.  However, it will only kill the ants that walk over where you treat around your home.  It will not take care of the queen and other ants back where the colony is.  The key to ant control is to use a product that will not kill the ants around your home on contact like Demon WP will, but a product that they will take back to the colony and kill the queen and other ants at the source.  Our most popular product for this is Termidor SC for outdoor use. Or you can use ant baits like the Maxforce Carpenter Ant Bait Gel that the ants will eat and take back to the colony.

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    Demon WP? will kill just about any insect, including all types of ants.  However, Demon WP? will only kill the ants that walk over where you treat around your home.  It will not take care of the queen and other ants back where the colony is.  The key to ant control is to use a product that will not kill the ants around your home on contact like Demon WP? will, but a product that they will take back to the colony and kill the queen and other ants at the source.  Our most popular product for this is Termidor SC. ? Or, you can use? ant baits that the ants will eat and take back to the colony.  Otherwise, you will be battling the ant colony all summer long.

     

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  • Asked by Joyce from Cincinnati, Oh
    09/29/2014
    Q
    What should the outside temperature be to apply Demon WP?
    A
    You should not apply Demon WP when you are experiencing any rainfall or freezing temperatures per the product label.
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  • Asked by Amanda from Falkville,al
    04/04/2013
    Q
    My Demon WP sprayed on and dried on a muddy brown color - Does this means it has expired?
    I will admit I should have stopped spraying when I saw the color it was coming out as but every description I have ever read about it said that it left behind a white film. As my walls are white I did not see that as a huge problem. However spraying the baseboards and crown moulding where I have seen them travel up high left dirty looking streaks running down my walls. Absolutely disgusting. My product was stamped with an 11/2012 label. Is it possible it was expired? Is that the reason for such an ugly application?
    A

    We apologize you are having an issue with the Demon WP. We have never had anyone complain that it came out as a muddy color. The powder is usually a darker off white color and when mixed with water the solution is usually an off white creamy color. With many products the colors can vary a bit depending on the source of the raw materials and that may be the case with this product as well. We recommend contacting the manufacturer directly so that they can troubleshoot with you and see what may have happened. They may ask you some questions about the numbers on the envelope so they can see if there was a problem with a certain batch. You can reach Syngenta by calling 866-796-4368.

    The 11/2012 is the date the product was released for sale, not the expiration date.

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  • Asked by Judy from Mustang, Ok
    07/01/2015
    Q
    I purchased several packages of Demon is 6/2006 are they still good, they were stored in a dry dark cupboard.
    A
    Demon WP Insecticide if stored in a cool dry area will last for up to 5 years. So, you would need to order fresh product.
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  • Asked by Anchal from Athens, Ga
    07/28/2017
    Q
    Can I use plastic spray bottle to apply Demon WP?
    Hi. I just bought Demon WP, but I don't have a sprayer.
    A

    Demon WP should be mixed and applied using a pump sprayer or a backpack sprayer.  It likely would clog a plastic spray bottle. 

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  • Asked by Jeri from Frametown, Wv
    03/13/2014
    Q
    Can you recommend a product as affective as Demon WP, but without the white powdery residue left.
    I have used Demon WP, and I like it a lot. Don't like the residue on my cedar siding, but don't want to give up the results I got from it.
    A
    Yes, Martins Viper contains the same active ingredient, but will not leave a white residue. Please be sure to check the product label and make sure the specific insects you are treating for are listed.
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  • Asked by Ruth from Gardendale, Al
    07/29/2016
    Q
    Is it possible to remove effects of Demon WP after spraying in kitchen cabinets?
    My husband sprayed in an enclosed cabinet where pots and pans are stored. Now I read that Demon WP should not be used inside cabinets. What should we do before placing pans back in cabinets?
    A

    Demon WP Insecticide can be taken up with hot water and soap. After the area has dried, you can replace the cooking supplies.

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  • Asked by Patrick from Barbados
    11/17/2015
    Q
    Can I use Demon WP to kill fleas and ticks on my dog?
    A

    No, Demon WP is not labeled to be applied on animals. We do carry products that are safe for flea treatments on dog. Please also take a few moments to review our treatment article on How to Get Rid of Fleas.

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    2 of 3 people found this answer helpful.
  • Asked by Art from Gilmer Tx
    07/17/2012
    Q
    Can Demon Wp be applied to outside dogs?
    A
    Demon WP CANNOT be used on animals of any kind. We do carry spot on flea and tick called Prefurred products if needed.
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    2 of 4 people found this answer helpful.
  • Asked by Theresa from Little Rock
    02/13/2019
    Q
    How long can you keep Demon WP Insecticide in container?
    does it loses strength after sitting in container
    A

    Demon WP Insecticide needs to be used within 24 hours of mixing with water.  In the original envelope it has a 5 year shelf life if kept out of extreme temperatures and direct sunlight.

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  • Asked by Christine
    06/07/2010
    Q
    Brown spiders with hair and large crickets
    My apartment is old and half under ground. Near a river. There are tons of cracks and holes. I have a dog. Any of the products work better than others and are any harmful to my dog?
    A
    We would recommend Demon WP for your problem.  Demon WP is a powder you mix with water and apply using a one gallon hand pump sprayer.  Demon WP is excellent for the cracks and holes in the basement and around the apartment because powder sticks to porous surfaces.  It is labeled for inside and outside use, and it is very safe for pets.  Once you have applied the product and allowed it time to dry, usually 30-45 minutes, it is perfectly safe for your pet to re-enter the room or to go outside.  It is also labeled for just about any pest you would have a problem with.  The 1lb container will last for years and will make enough solution to treat every 3 months for years to come. 
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  • Asked by Sarah from Andover, Mn
    04/24/2017
    Q
    What is the best way to prevent paper wasps from nesting under our deck?
    We had a huge paper wasp infestation underneath the crevices of our deck last summer/fall. We endured it until the first hard frost when they all died, and then we went in and scraped out all the little nests they made throughout the summer. Wanting to do a preventative spray to prevent nests this coming summer.
    A

    Demon WP would be a good option for you.  This is a wettable powder that you mix with water and apply using a hand pump sprayer. It works great for flying insects like wasps. You can spray the underside of the deck with the mixed solution.  This will not repel the wasps, but when they land on the surface they should pick up the product and die within a few hours.  Demon WP can also be used as a perimeter spray around the house.  You may also want to take a look at our article on How to Get Rid of Wasps for more information on treating and preventing wasps. 

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  • Asked by Shelley from Rosepine, La
    06/13/2015
    Q
    Is it normal to still see fleas after the first Demon WP Insecticide treatment?
    we just moved into a house where te previous owner had a dog. We don't have any animals but are getting tore up by fleas. We sprayed 1 treatment and are still getting bit. Not as bad but still.
    A
     Demon WP Insecticide  will not eradicate fleas. You will also want to  mix in an IGR like Precor IGR to break down reproductive cycle. It can take multiple treatments wo eradicate fleas.
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  • Asked by Logan from Greenville, Nc
    07/02/2012
    Q
    Can (Demon WP or Cyper WP) be mixed with (Talstar P or BifenIT)?
    Can these two types of products be mixed together in a sprayer and sprayed at the same time?
    A

    These products should not be mixed together. There is no valid reason to mix Demon WP/Cyper WP and Talstar P/Bifen IT together.  Talstar P/Bifen IT is a synthetic pyrethroid and Demom WP/Cyper WP already contains a synthetic pyrethroid, so there would be nothing to gain by mixing these products together. Making a pesticide too strong can actually backfire. Areas that are treated with this overly concentrated spray will be repellent and insects will simply avoid the treated areas prolonging the infestation.

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  • Asked by Thomas from Bakersfield, Ca
    01/20/2014
    Q
    I have 42 4-plex apts in Bakersfield,Ca. that I want to self maintain ext. & int.
    Could you recommend product, thinking Demon WP for exterior. Also, suggestions for interior ants and American roaches. Thanks
    A
    Demon WP is an excellent broad spectrum insecticide that can be used safely and effectively indoors and outdoors for roaches, ants, and most other comon insects. Keep in mind that because the Demon WP is a wettable powder, it will leave behind a white film that can be noticable on darker colored surfaces. If your units have white or light colored molding or baseboards then the residue will not be noticeable. If you are wanting an indoor insecticide that dries completely clear then Suspend or Talstar would be great options. Typically, baits work best for ants since ants are normally foraging for food. Providing them with a bait that they can take back to the colony and share is usually more effective then spraying for ants. Advion Ant Bait gel is a fantstic ant bait that is labeled to kill most ant species. If an ant spray is preferrable, then Suspend SC would be your go to ant spray for indoor control.
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  • Asked by Steve from Daingerfield, Tx
    05/03/2016
    Q
    Can a Demon WP hurt a dog after it has been on the ground for 24 hours?
    A

    Once Demon WP has dried, it is safe for your pets to be in the area that was treated. 

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  • Asked by Hlong from Texarkana
    06/02/2017
    Q
    Can Demon WP be used for treatment of flies?
    A

    Demon WP Insecticide will kill flies that come in contact with the treated surface long enough to receive a lethal dose. Please review our treatment article on How to Get Rid of Flies for a more successful eradication program.

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  • Asked by Sarah from Houston, Tx
    05/19/2013
    Q
    just treated inside/outside of house w/ demon wp & an IGR for fleas. still seeing adult fleas. is that normal?
    we are seeing fewer fleas so, if it is normal to still be seeing fleas, how long should we be seeing them for before we need to move on to the next step?
    A
    It is perfectly normal to keep seeing fleas for several weeks after the initial treatment. This is because of the natural life cycle of the flea and you are now seeing newly hatched fleas. Most folks find they have to do between 2-4 treatments to get rid of the fleas for good. We do not recommend using Demon WP indoors for flea control as it is not labeled for broadcast sprays indoors.
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  • Asked by Earl from Broken Arrow, Ok
    11/01/2013
    Q
    What is a good way to eliminate spiders in kitchen areas?
    Looks like Demon WP will be a good choice for perimeter, attic and garage areas, but I'd like something to control those little spiders that show up around baseboards and corners, particularly in the kitchen. What do you recommend for insect control in kitchen and pantry areas? I live in a rural area. I see spiders, crickets, scorpions, beetles, etc. making their way indoors.
    A
    You should utilize glueboards to trap spiders and other insects in the kitchen and insecticides such as Demon WP or Cy Kick CS in other parts of the house and also around the exterior of the house for spider/insect control.
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  • Asked by Mike from Cincinnati, Oh
    06/04/2015
    Q
    What product would be good to use for brown recluse spiders?
    Bought a house last fall which turns out to have confirmed brown recluse. I have some Demon WP left but need to re-order. Should I stick with Demon for inside and outside control or switch to Onslaught Scorpion & Spider? I'm also planning on ordering/using Talstar PL granules outside. Thank you!
    A
    Demon WP is labeled for spiders, however with using the same product for a long period of time insects can become resistent to that active ingredient. You can solve that problem by simple switchning to another product with a different active ingredient such as Onslaught FastCap Spider and Scorpion Insecticide which is also labeled for spiders.
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Displaying 261 to 280 (of 491 questions)