Demon WP Insecticide 4 x 0.3 Oz. Packets


Demon WP insecticide is a wettable powder formulation containing cypermethrin, known for its strength, speed and staying power. It can be used as a general surface, crack-and-crevice and/or spot treatment for residual and contact control of ants, carpenter ants, cockroaches, crickets, spiders and other insect pests. For use in, on and around buildings and structures for the control of listed pests, including on lawns, ornamental trees and shrubs around residential, institutional, public, commercial, agricultural and industrial buildings; and parks, recreational areas and atheltic fields.

  • Convenient packaging and easy-to-mix formula available in water-soluble packets
  • Low use rates that can provide pest knockdown in less than an hour
  • High insecticidal activity, long-lasting residual control and low volatility


Rate of use: 1-2 packets per gallon of water, depending on desired concentration. One gallon will treat a 2000-2500 sq. ft. home.
Active ingredient: 40% Cypermethrin

Customer Reviews

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Based on 11 reviews Average Rating 5.0 stars out of 5
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  • B
    Bobby Stork B. S. Bobby S.

    Killing Ants!!!!

    Only way to kill fireants........Demon it

  • R
    Richard Bethon R. B. Richard B.

    Good product

    Works great for a good price.

  • D
    Don Plahy D. P. Don P.

    Works pretty good most of the time.

    Demon WP Insecticide 4 x 0.3 Oz. Packets

  • A
    Arthur Burcham A. B. Arthur B.

    Ant problem

    This stuff really works spray twice per summer around yard and house

  • F
    Fred Switzer F. S. Fred S.

    Reuse of Demon WP

    I have used this before with good results. It lasts thru my summer of roaches inside my home and outside my home.

  • M
    Mark Carpenter M. C. Mark C.

    Demon WP

    Prompt service and good price. Will use Seed World again.

  • M
    Mickey Murphy M. M. Mickey M.

    bug spray

    very fast shipping

  • R
    Roger Wilson R. W. Roger W.

    Fast delivery

    Product was delivered fast. Thanks seed world!

  • B
    BINH N. B. N. BINH N.

    Fast shipping

    Fast shipping

  • K
    Kim K. K. K. Kim K.


    Brother-in-law put us on this product...kills em all...especially cockroaches for many months!

  • R

    This stuff works

    I have been using the for years. I first used it on wasp's but found that if I applied it around my foundation, I had no more critters in my house.

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