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What Chemicals are Harmless to Beneficial Nematodes?

Beneficial Nematodes 

All active ingredients listed as compatible should have no detrimental interaction with any beneficial nematodes. Those designated as "wait one week before" and "wait two weeks before" should not be applied at the same time as our beneficial nematodes. There are many products with different trade names. Please refer to "Active Ingredients" on the label of the product to find the chemical name.

****If the active ingredient is not listed below, please contact us or leave a comment down below and we will be happy to assist you!****


Azadirachtin Esfenvalerate Nicotine sulfite
Bacillus thuringiensis Etridiazole Oxyzalin
Benomyl Fatty Acids PCNB
Bifenthrin Fenoxycarb Permethrin
Bromine-chlorine Fluvalinate Pyrethrins
Chlorothalanil Fosethyl-Al Rotenone
Chlorthal dimethyl Glyphosphate Thiophanate-methyl
Copper hydroxide Imidacloprid Triademefon
Cyflutrin Iprodione Vinclozolln
Cypermethrin Kinoprene Weedone
Diatomaceous earth (DE) Metalaxyl Wide range of soluble fertilizers
Dienochlor Methidathion +MORE
Diflubenzuron Methoprene

Wait one week before using beneficial nematodes:

Anilazine Mercurous chloride Triclorpyr             
Azinphos-methyl 2, 4-D Fenarimol
Benzalkonium chloride Methomyl Furalaxyl
Bendiocarb Malathion +MORE


Wait two weeks before using beneficial nematodes:

Addstem Carbofuran Oxamyl
Agrodime Ethoprop +MORE
Agromil Isazophos
Aimphon Fenamiphos


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What else would you like to see in our "A Bugs Blog: Natures Good Guys to the Rescue!"? We are open to suggestions!

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  • G on

    Is the SF nematodes safe to use in a household with cats? is it compatible to mix in with fertilizer?

  • G on

    Is Bacillus thuringiensis subspecies israelensis (Bti) with nematodes?

  • Mel on

    Are the Beneficial Nematodes sensitive to Bora Care?

  • Angela on

    I have the same question as Bob.

  • Jess on

    Seven dust is my primary insecticide but I only use it on tomato horn worms . Will this harm nematodes if I purchase them?

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