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  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. 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 …

  4. 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 …

  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. Registration Review of Pyrethrins and Pyrethroids | US EPA

    Mar 12, 2025 · Learn more about how the FQPA safety factor is applied in the review of pyrethroids. In late 2016, EPA released a draft ecological risk assessment for eight pyrethroids plus the pyrethrins …

  7. 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.

  8. Pyrethrin insecticides explained: Safe use and garden pest ...

    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 …

  9. Pyrethrins and Pyrethroids: A Comprehensive Review of ... - MDPI

    Nov 28, 2023 · Pyrethrin derivatives, known as pyrethroids, have a significant historical trajectory dating back to the mid-20th century, characterized by a series of crucial advancements in the realm of …

  10. ToxCard: Pyrethrin and Pyrethroid Toxicity - emDocs

    Jun 4, 2025 · Pyrethrins (Figure 1) and pyrethroids (Figure 2) are synthetic ester compounds, used in insecticides, and are derived from naturally occurring substances of plants such as the Dalmatian …