DiPel PRO DF Biological Insecticide


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4.7 Rating: 4.7

3 Reviews | 6 Q&A 


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DiPel PRO DF Biological Insecticide bag(s) (1 lb.)

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DiPel PRO DF Biological Insecticide

DiPel PRO DF Biological Insecticide is the bestselling insecticide for use in organic gardening and is listed by OMRI (Organic Materials Review Institute). Use DiPel PRO DF to control more than thirty different kinds of pests: bagworms, loopers, budworms, armyworms, and caterpillars. The formulation is a dry flowable that is free of dust, easy to measure, easy to mix, and easy to apply.  DiPel PRO DF Biological Insecticide has minimal effect on the environment, non-target animals, humans, and is biodegradable.

Active Ingredient: Bacillus thuringiensis, subsp. kurstaki, strain ABTS-351, fermentation solids, spores, and insecticidal toxins - 54%
Target pests: Loopers, budworms, bagworms, armyworms, tent caterpillars, azalea caterpillar, bagworm, blackheaded budworm, california oakworm, diamondback moth, douglas fir tussock moth, ello moth, elm spanworm, fall webworm, fruittree leafroller, greenstriped maple worm, gypsy moth, hemlock looper, jack pine budworm, lo moth, looper, mimosa webworm, oleander moth, omnivorous leafroller, omnivorous looper, pine butterfly, redhumped caterpillar, saddle prominent caterpillar, saddleback caterpillar, saltmarsh caterpillar, sod webworm, spring and fall cankerworm, spruce budroom, tent caterpillar, tobacco budworm, and western tussock moth. See label for complete list.
For use in: Ornamentals and landscape. See label for complete list.
Pet safe: Yes, when used as directed.
Manufactured By: Valent Usa Corp

DiPel DF is listed by the Organic Materials Review Institute (OMRI) for use in organic production.

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4.7 star rating (3 reviews)

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  • 4 of 5 people found this review helpful:

    5 of 5 Stars  Wettable powder is the best form of Bt.
    By Mark in Hillsboro, AL on July 24, 2014
    Verified Purchase

    Dipel wettable powder is the most economical, effective and long storing alternative for delivering Bt (Bacillus thuringensis) where you need it. Stored properly, it keeps for years. I used it on my sweet corn this year, and it produced almost 100% control of corn earworms. Also used it on my broccoli, which is almost impossible to grow here in the south without Bt to keep cabbage wing moths and loopers under control. I highly recommend this product.

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  • 3 of 3 people found this review helpful:

    5 of 5 Stars  Treatment for Wax Moths in Supers
    By Richard in Searcy, Arkansas on August 31, 2012
    Verified Purchase

    I am a Bee Keeper and store my Supers for the winter. The Supers have drawn out Comb which Wax Moths like. They will tunnel and destroy honey comb being stored. I spray each side and stack them 5 high and cover with a hive top. I don't have any problem with Wax Moths when using this product. This chemical is also naturally found in Honey and is not harmful to the bees. I just let the supers air for 3 days before putting them on a hive.

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  • 2 of 2 people found this review helpful:

    4 of 5 Stars  Another use of DF Biological Insecticide
    By Richard in Searcy, Arkansas on September 21, 2012
    Verified Purchase

    After I extract the Honey from my Supers I let the bees clean up the frames of Cone. For storing the Wax Cone overwinter I spray a mist of DF on the frames and wax. It keeps the Wax Moths out of my Wax Foundations. Frames with Drawn out cone is very expensive. Thanks.

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July 1, 2013Ingeborg from Kamuela,hi asked:

QCan product be applied w/sprinkling can, and what is dilution?
I do have a one-gallon sprayer available, when and how should product be applied? There are no clear instructions on the paperwork. Also, the print is too small to read. Thanks for your help.


Below is a link to the Dipel PRO DF Biological Insecticide so that you can see the instructions in larger print. Depending on the reason you are using the product you will use 1/2 tsp - 4 tsp per gallon of water. You can apply this product using a sprinkling can or hand pump sprayer.


6 of 6 people found this answer helpful.
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January 12, 2013Kevin from Cleona,pa asked:

Qis there a systemic treatment for bagworms on an evergreen?


The only systemic insecticide that we are aware of that is labeled for bagworms is Bonide Systemic Insect Control with Acephate but it is only labeled for use on shade trees and you must spray all of the foliage to get the desired results.Below you will see what we usually recommend for bagworm control.

Bagworm recommendations:

It is important to start control methods before a major infestation occurs. Once the bagworms have matured and have formed the "bag" most chemical control methods will no longer work.

You can manually control bagworms by simply plucking them off of the infested trees and dropping them into a bucket of soapy water or squishing them.  This control method is most useful during fall, winter and early spring, before the eggs inside the bag have hatched.

Chemical control may be achieved when the larvae are small and just emerging from the over-wintering bag.  Use a concentrated liquid insecticide such as Talstar or Tempo. Foliage should be thoroughly wetted with the insecticide spray in order to achieve thorough coverage.  When doing an insecticide treatment, timing is key. To find out the correct time of year to treat for bagworms in your region contact you local Cooperative Extension office. These offices can prove to be invaluable when treating for insect pests.

4 of 8 people found this answer helpful.
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May 10, 2015Wallace from Eau Claire , Wisconsin asked:

QI have a 2 gallon sprayer. How much Di Pel Pro DF do I use on a Jack pine budworm problem?

AYou should use 0.5 to 2 lbs of DiPel Pro per acre, depending on what plants you are treating. This would equal up to about 3/4 oz. per 1,000 square feet in sufficient water to cover area. If you do not require an organic certified product, and you only have a small area to treat, Hi-Yield Thuricide Concentrate is a liquid intended for smaller areas that may be more appropriate for your application.

0 of 1 people found this answer helpful.
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May 22, 2015Helen from Shrewsbury, Ma. 01545 asked:

QIs DiPel PRO DF Biological Insecticide supposed to be applied wet or dry?


DiPel PRO DF Biological Insecticide should be mixed with water for treatment applications.
The usage ratio is 1/2 tsp - 4 tsp per gallon of water. You can apply this product using a sprinkling can or hand pump sprayer. Please refer to the product label for specific application instructions for what you are treating.

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May 22, 2015Helen from Shrewsbury, Ma. 01545 asked:

QHow should DiPel PRO DF Biological Insecticide be applied?
I am confused.....do I mix this with water or apply it as is through a dry sprayer? The enclosed directions are printed so small they are hard to read. Everything is listed except directions for usage. Please help before the bugs infest my gooseberries and red currents again this year.

ADiPel PRO DF Biological Insecticide needs to be mixed with water.  Depending on what insect(s) you are using it to treat, you will use 1/2 tsp - 4 tsp of DiPel PRO per gallon of water. You can find a larger, easier-to-read version of the product label here.  

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June 2, 2014Shawn from Marrianna Fl asked:

QWhen using bio sprays i have been told you must have a low PH in your mixing solution (water) is this true?

AThe PH level of the water you use to mix insecticides can have an effect on the results of the treatment. To answer your question more clearly, we recommend you contact the manufacturer, Valent USA Corp at 800-682-5368.

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