Cynoff Insecticide Dust


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4.5 out of 5 stars Rating: 4.3

4 Reviews | 3 Q&A


{ $25.76 { $24.76
  Size/Description Price/Ea. Qty
Cynoff Insecticide Dust bottle (1 lb)

Buy 1: $25.76 each

Buy 2 or more: $24.76 each

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Cynoff Insecticide Dust

Cynoff Insecticide is now available in a dust formulation! Cynoff dust with cypermethrin is ideal for use as a residual treatment where carpenter ants, stinging insects like bees and wasps, or where other insect pests enter structures such as homes or offices. Cynoff Dust also makes a powerful bed bug control tool for cracks, crevices and voids.  Cynoff Dust contains Zeta Cypermethrin, a new active ingredient that is 4x more powerful than regular Cypermethrin.  This new active ingredient provides a fast kill and a long-lasting residual. Cynoff Dust also features an anti-clumping formula that makes the product easy to use and provides an even coverage wherever it's applied.

This is intended for applications with hand or power duster (Actisol DPA or similar equipment), with a paintbrush or by other suitable means, to hiding and runway areas and other places where insects are found.

To apply this 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; false 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 doorframes; along baseboards; in attics and crawlspaces. The amount to be applied will vary with the site but should usually be in the range of 0.05 to 0.07 ounces per square yard (1.58 to 2.4 grams per square meter or 0.32 to 0.5 pounds per 1,000 square feet).

For Indoor/Outdoor Uses:

Repeat application only if there are signs of renewed insect activity. Repeat application should be limited to no more than once per 7days.


Use this to kill ants (including Imported Fire Ants), bedbugs, boxelder bugs, carpet beetles, centipedes, cockroaches, crickets, earwigs, firebrats, fleas, ground beetles, millipedes, silverfish, slugs, sow bugs, spiders (except black widow and brown recluse sprders), springtails, termites and wasps (except paper wasps), and webbing clothes moths.


Use this to kill ants (including Imported Fire Ants), centipedes,cockroaches,crickets, earwigs, firebrats, ground beetles, millipedes, silverfish, slugs, sow bugs, spiders (except black widow and brown recluse spiders), and springtails, termites, bees and wasps (except paper wasps). Apply with hand or power duster (Actisol DPA or similar equipment),with apaintbrush or by other suitable means, around windows and doors, porches, screens, eaves, patios, garages, understairways, in crawl spaces and other areas where pests hide.

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Average Customer Rating
4.5 out of 5 stars (4)

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  • 4 of 4 people found this review helpful:

    5 of 5 stars  Cynoff Insecticide Dust
    By Robert in Wilmington, IL on 07/24/2011

    We had a hive of carpenter bees living under our back porch and they buzzed people going in & out the back door, this is the only product that has taken care of it. It was a dangerous situation, we have allergic family members. It was pricey but well worth it! It was easy to dispense and within a couple of days there was no sign of these bees.

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  • 3 of 3 people found this review helpful:

    5 of 5 stars  Cynoff insecticide dust
    By John in Orland Park Illinois on 05/29/2012
    Verified Purchase

    The product worked very well. The carpenter bees in my deck have been eliminated. They were burrowing into the underside of my deck railings. With the assist of the duster bulb and application tube the dust was very effective at eliminating the pests. Since I applied the product only 3 weeks ago I don't know how long the treatment will last. However, considering the small amount of product I had to use and the one pound quantity of the container I should have enough product for at least several seasons.

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  • 1 of 1 people found this review helpful:

    2 of 5 stars  Bees
    By Paul in Newark, Ohio, 43055 on 09/10/2015

    Used it once on bees and didn't seem to kill them.

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  • 5 of 5 stars  Cynoff Insecticide Dust
    By Valentina in Albuquerque, New Mexico on 10/29/2016

    Haven't seen a crawling critter yet! I did want to know if this product is safe for our environment, but I just wanted to get rid of the cockroaches. I worked and I haven't seen a roach since.

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03/31/2011 Ron

QCan I eat vegetables that have been grown in a garden where Cynoff dust has been applied on the plants?
If it has been used around garden plants how long should a person wait before eating the vegetables?

ACynoff dust is not labeled for use on edible vegetation and any vegetables that have been dusted with Cynoff should be discarded.

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09/18/2010 William

QIs this product the best for killing stink bugs? If not, what product is the best?

AOur most popular selling product for stink bugs by far is our overwintering kit.  It will not only take care of stink bugs, but all other pest issues as well.

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01/30/2015 Boz from Mo

QCan Cynoff Insecticide Dust be used in floor drains for American roaches

ANo, Cynoff Insecticide Dust can not be used in drains for any reason.  Most times roaches are not coming from drains and you are only seeing them come out from there because they are going for the water/moisture in them, then coming back out.  American Roaches come from the outside of structures(usually attracted to lights), so it is best to spray a liquid insecticide around the outside foundation such as Talstar One or Cyper WP.  Also focus on sealing up cracks around doors and in the foundation so roaches can't get in.  We also have a great article for them.  How To Get Rid of Palmetto Bugs

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