About 34,200 results
Open links in new tab
  1. Pyrethrin - Wikipedia

    The pyrethrins are a class of organic compounds normally derived from Chrysanthemum cinerariifolium that have potent insecticidal activity by targeting the nervous systems of insects.

  2. Pyrethrins General Fact Sheet - NPIC

    Pyrethrins are pesticides found naturally in some chrysanthemum flowers. They are a mixture of six chemicals that are toxic to insects. Pyrethrins are commonly used to control mosquitoes, fleas, flies, …

  3. Pyrethrins and Pyrethroids | Public Health Statement | ATSDR

    Six individual chemicals have active insecticidal properties in the pyrethrum extract, and these compounds are called pyrethrins. Pyrethrum looks like a tan-colored dust as ground flowers or a …

  4. Pyrethrin Pros and Cons: How to Use it Safely - Epic Gardening

    Oct 10, 2024 · Pyrethrin is derived from flowers and labeled an organic pesticide. While it is effective against many pests, it does have environmental drawbacks. We discuss the science-backed pros …

  5. Pyrethrin and Pyrethroid Toxicity - StatPearls - NCBI Bookshelf

    Aug 11, 2024 · Pyrethrin and pyrethroid compounds are ester insecticides derived from Chrysanthemum cinerariaefolium, with robust safety profiles in humans compared to many agricultural products. …

  6. Pyrethrin insecticides explained: Safe use and garden pest control tips

    Aug 5, 2025 · Pyrethrin, derived from chrysanthemums, is a natural insecticide that controls pests while being safer for mammals, birds, and beneficial insects compared to synthetic pesticides. Pyrethrin is …

  7. What Common Pesticides Contain Pyrethrin?

    Mar 3, 2025 · Pyrethrins are organic compounds derived from Chrysanthemum cinerariifolium, which have potent insecticidal activity by targeting the nervous systems of insects. These compounds are …

  8. Pyrethrin: What It Is & What It Kills | Sunday Lawn Care

    May 16, 2021 · Pyrethrin is a fast-acting, EPA-regulated contact insecticide that is active against a wide range of pests, including ants, mosquitoes, moths, flies, cockroaches, beetles, spiders, mites, and fleas.

  9. How to Make and Use Pyrethrin Insecticide - The Spruce

    Aug 9, 2024 · What Is Pyrethrin? The term "pyrethrin" refers to any of the six target plant molecules (esters) that are extracted from C. cinerariifolium to use as a natural organic pesticide. The combined …

  10. Pyrethrins and Pyrethroids | ToxFAQs™ | ATSDR

    Pyrethrins are naturally-occurring compounds with insecticidal properties that are found in pyrethrum extract from certain chrysanthemum flowers. The pyrethrins are often used in household insecticides …