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  2. Bifenthrin - Wikipedia

    en.wikipedia.org/wiki/Bifenthrin

    Like other pyrethroids, bifenthrin is chiral; it has different enantiomers which can have different effects. Bifenthrin is found in two enantiomers: 1S-cis-bifenthrin and 1R-cis-bifenthrin. 1S-cis-Bifenthrin is 3-4 times more toxic to humans than 1R-cis-bifenthrin, while the latter is more than 300 times more effective as a pesticide. [2]

  3. Pyrethroid - Wikipedia

    en.wikipedia.org/wiki/Pyrethroid

    Pyrethroid absorption can happen via skin, inhalation or ingestion. [11] Pyrethroids often do not bind efficiently to mammalian sodium channels. [12] They also absorb poorly via skin and human liver is often able to metabolize them relatively efficiently. Pyrethroids are thus much less toxic to humans than to insects. [13]

  4. Pyrethrin - Wikipedia

    en.wikipedia.org/wiki/Pyrethrin

    Pyrethrins and Pyrethroids Fact Sheet - National Pesticide Information Center; Pyrethrins and pyrethroids on the EXTOXNET; Pyrethrin and Permethrin Toxicity in Dogs and Cats; Wagner, S. L. (2000). "Fatal asthma in a child after use of an animal shampoo containing pyrethrin". The Western Journal of Medicine. 173 (2): 86–7. doi:10.1136/ewjm.173 ...

  5. Here’s How to Tell the Difference Between a Chigger Bite and ...

    www.aol.com/tell-difference-between-chigger-bite...

    Green says you can spray your yard with insecticides called pyrethroids (look for the active ingredient, bifenthrin) to suppress chiggers, but spraying large areas can kill beneficial insects and ...

  6. Pesticide toxicity to bees - Wikipedia

    en.wikipedia.org/wiki/Pesticide_toxicity_to_bees

    Pyrethroid: 1 – 2 days Safened by repellency under arid conditions. Permethrin is also the active ingredient in insecticides used against the Small hive beetle, which is a parasite of the beehive in the temperate climate regions. Highly toxic Cypermethrin [55] Ammo, Demon, Raid, Viper Pyrethroid: Less than 2 hours

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