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Insect Dust Diatomaceous Earth - 4.4 lb

Item #: 50020-7

Our price: $16.95

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Insect Dust kills crawling insects such as fleas, ants, bedbugs, and cockroaches. It's a safe, non-toxic insecticide made from diatomaceous earth. Available in a 4.4 pound bag. Please read Q & A below for answers to frequently asked questions. read more

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Our Price: $16.95


Use Insect Dust to eliminate crawling insects around your home. Our natural diatomaceous earth comes from the natural fossilized remains of diatoms, a type of hard-shelled algae. Diatom particles are very small and sharp – but only harmful to the exoskeletons of insects. When insects crawl over diatomaceous earth, the tiny diatom particles cut into the waxy coating of insects and they die from dehydration within 48 hours. Insects cannot become immune to its action as it is a mechanical killer – not a chemical one.

Insect Dust is an EPA registered natural insecticide. Safe to use around your family and pets - it can be rubbed right into your pet's fur.

Insect Dust kills the following insects:

  • Fleas
  • Ants
  • Cockroaches
  • Bed bugs
  • Ticks
  • Silverfish
  • Beetles
  • Earwigs
  • Wood bugs (pill bugs)
  • Crickets
  • Spiders
  • Aphids
  • Spider mites
  • Flies
  • Stink Bugs
  • Tomato hornworm
  • Slugs

For Indoor Use:

Lightly coat a thin layer in areas where insects are found or may hide. For example: kitchen cupboards, behind and under appliances, baseboards, or drain pipes. For carpets, lightly sprinkle the insect dust over the carpet, and leave for 2-3 days before vacuuming.

Leave the insect dust in place until you no longer see any signs of insects in that area, at which point you can clean it up.


Thoroughly dust carpets and pet's bedding or sleeping areas, as well as cracks and baseboards. It can be rubbed into your pet's fur.


Take apart bed and dust joints and channels. Dust any hollow tubing and the interior framework as well as the mattress and all cracks in the room. Use a turkey baster or duster to apply clouds of the dust over the affected area. Leave the dust to do its job for a few days. It is still safe to sleep in your bed even while the dust is present.


Lightly dust under the sink, inside drawers, or along the baseboards, and wherever else silverfish are found.

Carpet Beetles

Thoroughly dust along baseboards, carpet edges, under furniture, carpet, and rugs, and in closets and shelving.

For Outdoor Use:

Lightly coat a thin layer where insects are found. Areas such as patios, porches, window sills, door frames, foundations, drain pipes, and pools. Apply as a barrier around plants, trees and vegetables gardens. You need to reapply insect dust after heavy rainfall.

Fire Ants

Sprinkle diatomaceous earth directly on the ant mound, or mix with water to saturate the mound. It can also be sprinkled along ant trails. The ants will track the DE back to their nests where the colony will be exposed to its abrasive action.


Thoroughly dust areas where flies gather (livestock pens, kennels, corrals etc.). It also can be applied to livestock coat as a contact insecticide. DE can also be added to food for pets and livestock. DE helps as a deworming agent for livestock, and it ends up in their dung. Flies lay eggs on the dung which hatch into maggots, which are then killed by the DE. Effective method for fly control, especially on farms and homesteads.

Slugs, earwigs, and other garden pests

Apply as a barrier around plants and garden beds. For best results, reapply after rain. If diatomaceous earth washes into the soil it will continue to benefit your garden by retaining water for future slow release into the soil. OMRI Listed for use in organic agriculture.

Lice control for chickens

Lice are a common scourge around chickens and can lower their vitality resulting in fewer eggs and low disease resistance. Set a "dusting box" of DE in the corner of the coop and the chickens will continually apply themselves with DE. This will reduce or eliminate lice within a few days.

To purchase a dispenser tube, click here.


Environmental Health Coalition refers to Diatomaceous Earth as one of the least toxic insecticides for household pest control. As an EPA-registered insecticide, it is required to have a generic health warning on the label, despite its safety.

Please note: Insect Dust Diatomaceous Earth should not be confused with "Pool Grade" diatomaceous earth for pools or water filtration systems. Pool Grade DE has been heat treated, causing the formerly amorphous silicon dioxide to become crystalline, and it is not safe or effective for household pest control.

100% Satisfaction Guarantee

We want you to be completely satisfied with every purchase you make. If you are in any way dissatisfied with a product you ordered, we'll exchange it, replace it or refund your money within 30 days of purchase. Simply email us the problem, and we'll take care of you. Certain products have extended warranties (up to 50 years!) that are listed on the particular product page. Please call us at 1-888-451-6752 if you need further clarification.

Additional Information

Weight 4.4 pounds
Coverage 1800 square feet
Key Feature Organic, non-toxic diatomaceous earth for crawling insect control
Effective for 9 months
Origin Made in the U.S.A.

Shipping Information

Shipping Details:
Insured against damage or loss while in transit
This Product Ships To:
US Lower 48 & Canada
Ships Via:
Fedex or UPS

Questions about the Insect Dust Diatomaceous Earth - 4.4 lb

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  • From Marilyn at 10/31/13 12:48 AM
    • We are up to our eyeballs in Brown Marmorated Stink Bugs. Will this work on these stink bugs?
    • Yes. DE is an ideal way to control stink bug infestations.
    • Do you find this question helpful?  Yes  No
  • From Tod at 10/10/13 9:46 PM
    • If I rub DE into my cats fur and we all know cats are big on licking themselves to stay clean. Will DE harm my cat by licking itself, hence licking up the DE?
    • Your cat will not be harmed by licking DE from his fur. DE is safe for pets even if it is ingested.
    • Do you find this question helpful?  Yes  No
  • From linda at 9/27/13 8:48 AM
    • Been using de, is it normal to be finding dead fleas around the house?
    • Yes. Insects coming into contact with DE will dry out and die. Some may appear in areas they used to frequent and you will need to sweep up the insect bodies.
    • Do you find this question helpful?  Yes  No
  • From Jenni at 8/18/13 7:46 PM
    • Hello, I have some pests in my home. Wood lice, house centipedes ,silver fish and now a biting nymph of the masked hunter as well as the adults. Should I put this DE in my attic and in my dirt basement or just my main living areas?
      Thanks for your time.
    • You should apply DE in areas in your attic and basement as well as your main living areas. Apply DE in places where it will not be disturbed by the vacuum or foot traffic. Ledges where insects travel are good locations. Avoid placing in moist areas. Over time you will notice a reduction in the insect population in your home.
    • Do you find this question helpful?  Yes  No
  • From Tina at 8/7/13 1:45 AM
    • After reading through the info, reviews, and questions, I would like clarification on this products effectiveness. I understand it cuts the exoskeleton. If I'm not mistaken, the pests do not carry the powder with them, therefore, it only affects the pest (roaches) directly. I don't know the 'habits' of roaches, though. Do they have nests, and if so, this product would not be effective in that sense, correct?

      I would much rather use a natural product but I can not handle having pests in my home!

      Thank you in advance for your reply.
    • You are correct in how DE works. To some extent, DE is tracked to nests by the carrier insects, but the most lethal dose is going to be where you apply the DE.
      In our home, DE is applied in discreet areas where the vacuum doesn't usually reach. We also know the areas of most insect activity, so these places get an extra spoonful. Ledges, the tops of cabinets, under the dishwasher, on the ledge of the bed frame, etc. are examples. For roaches, be sure to apply DE on top of the cabinets or other high places.
      If you follow a course of applying DE in your home, you will see the insect population drop within a week, and over time you will have few to no insects in your home indoor environment. We have experienced this first hand!
    • Do you find this question helpful?  Yes  No
  • From Deborah at 8/2/13 2:14 PM
    • Have read each one of the posts, but have not seen anything related to CHINCH BUGS, found in our clover lawn, killing it. Does DE work on Chinch bugs?
    • Yes. DE is an effective measure you can take to control chinch bugs in your lawn. DE acts as an abrasive. It cuts the outer layer of the chinch bug's body causing it to dehydrate and die.
    • Do you find this question helpful?  Yes  No
  • From Tj at 7/17/13 6:16 PM
    • When sprinkling on carpet ,you must let it set for couple days to help rid of fleas. But what if I have a 8month old baby who crawls around do I need to be careful of the baby getting this on him and what about petting your pets and getting on your hands?
    • Diatomaceous Earth will not harm your baby if he comes in contact with it, and it is also safe for pets. If you get DE on your hands it is no problem, you can just rinse it off.
      DE is a fine powder, like talcum. You should not apply it too thickly on a carpet or any area where it might rise up into the air when disturbed. Any fine powder can be an irritant to the lungs, even more so with a baby.
      We recommend applying DE in areas which have lower traffic, such as under the couch, behind appliances, furniture and places the vacuum cleaner doesn't reach.
      If you have a problem with fleas on the carpet, we suggest you augment your DE treatment by using an electric flea trap in the suspect areas.
      Here's a link to our page for electric flea traps:
    • Do you find this question helpful?  Yes  No
  • From M. Summers at 6/24/13 11:59 AM
    • We just found we have bedbugs this DE stuff sounds pretty good... I have indoor dogs will this cut up thier feet
    • No. DE will not irritate your pets' feet. DE is harmless to pets.
    • Do you find this question helpful?  Yes  No
  • From Lindsay at 5/25/13 7:47 AM
    • I see that most of the posts on here are from people using for everything buy vegetable gardens. I know you say it is food grade and safe to use around gardens. If that's the case, why aren't more people using it for that purpose? The idea makes sense to me and I have a big problem with slugs/snails and earwigs. My garden is organic and would like to keep it that way.
      Just a little skeptical...
    • Hi Lindsay,
      DE is safe and effective for use in gardens. We use DE throughout our organic vegetable gardens for slug and earwig control, and especially for our persistent pests - sow (pill) bugs. DE is less effective when it gets wet, but after it dries out it regains full effectiveness. We have been using DE in our gardens for over 20 years, and there is no reason to be skeptical - it is safe, organic and inexpensive for insect pest control - and very effective!
    • Do you find this question helpful?  Yes  No
  • From malorie at 5/19/13 9:23 PM
    • I have a one year old son and he is barely walking is sit safe for him to be around?
    • Yes. Diatomaceous Earth is nontoxic and will not harm your son even if comes into contact with it.

      However, DE is a fine powder, similar to talc, and any fine substance can cause irritation to the respiratory tract of people with allergic sensitivities. Use your good judgment - place small lines or teaspoon size amounts of DE in strategic locations where bugs will come into contact but your son will not. For example, apply DE to the tops of cupboards, beneath appliances, behind the couch, under the bed and similar locations around your home.
    • Do you find this question helpful?  Yes  No

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