1. Silicon dioxide and silica gel are insecticides and acaracides, used in controlling insects, mites and ticks in a variety of indoor and outdoor sites. Silicon dioxide dust is applied with a hand-held or power duster to stored grain, other food, feed and ornamentals; in food handling areas; and on pets and their living/sleeping quarters.
    www3.epa.gov/pesticides/chem_search/reg_action…

    Silicon dioxide has two naturally occurring forms: crystalline and amorphous. Most diatomaceous earth is made of amorphous silicon dioxide. However, it can contain very low levels of crystalline silicon dioxide. The first pesticide products containing silicon dioxide (diatomaceous earth) were registered in 1960 to kill insects and mites.

    npic.orst.edu/factsheets/degen.html
     
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  5. Diatomaceous Earth Fact Sheet - NPIC

    Most diatomaceous earth is made of amorphous silicon dioxide. However, it can contain very low levels of crystalline silicon dioxide. The first pesticide products containing silicon dioxide (diatomaceous earth) were registered in 1960 to kill …

  6. Insecticidal Effects of Different Application Techniques …

    Sep 1, 2010 · In past years, DE and other silica-based products have proven to be suitable alternatives to chemical insecticide treatments (Erb-Brinkmann, 2000). Many silica compounds that are commercially available contain high amounts …

  7. Silicon use for pest control in agriculture: A review

    Jan 1, 2006 · Silicon depositions in monocots may provide a mechanical barrier against insect pests. However, this passive role of silicon is now being contested, and an active role of silicon has been shown...

  8. [Cover Story] Silica Gel: A Better Bed Bug Desiccant

    Aug 26, 2014 · Both silica gel and diatomaceous earth kill insects by removing a portion of the razor-thin, waxy outer coating that helps them conserve moisture. As a result, they desiccate and die from dehydration. Like super-fine …

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