How to Use pyrethroid in a Sentence

pyrethroid

noun
  • The Bug Squad recommends using a synthetic pyrethroid spray to kill these pests in your home.
    Elizabeth Gulino, House Beautiful, 25 Apr. 2019
  • Pyrethroids can be toxic to bees and fish, the E.P.A. says, so treatments should avoid decorative ponds.
    Ann Carrns, New York Times, 14 July 2017
  • Bug spray has high concentrations of a compound called pyrethroids.
    Dana Dovey, Newsweek, 21 Mar. 2018
  • Flumethrin is a pyrethroid insecticide that is only used in one product: Seresto.
    Johnathan Hettinger, USA TODAY, 8 Apr. 2021
  • The new nets are treated with pyrethroid and a second chemical called chlorfenapyr.
    Byscience News Staff, science.org, 23 Mar. 2023
  • But in recent years, resistance to the insecticide used to treat nets, pyrethroid, has been spreading.
    Byscience News Staff, science.org, 23 Mar. 2023
  • But the pesticides, like pyrethroid and neonicotinoid, are toxic to bees.
    Theresa MacHemer, Smithsonian Magazine, 29 July 2020
  • Pyrethrins and pyrethroids also work by interfering with sodium pores.
    Karen Weintraub, Scientific American, 1 June 2017
  • For many, application of a pyrethroid insecticide at precise timing for the species and its life cycle will help.
    Neil Sperry, San Antonio Express-News, 14 May 2021
  • When pyrethroids were introduced into Israel in the early 1990s, just one treatment would destroy all the adult lice on an individual within a few weeks.
    Karen Weintraub, Scientific American, 29 May 2017
  • When pyrethroids were introduced into Israel in the early 1990s, just one treatment would destroy all the adult lice on an individual within a few weeks.
    Karen Weintraub, Scientific American, 1 June 2017
  • Please note that the product contains gamma-cyhalothrin, a potent broad-spectrum pyrethroid pesticide that will also kill other insects such as ants, fleas and roaches.
    Jamie Kim, Good Housekeeping, 29 Apr. 2022
  • According to a 2018 report by ABC News, bug sprays contain active ingredients called pyrethroids, which penetrate the insect’s nervous system to stun and kill them.
    Samantha Lauriello, Health.com, 17 July 2019
  • Kasai noted that the mosquitoes with this mutation are unlikely to thrive in areas that do not use pyrethroid insecticides.
    Arkansas Online, 25 Dec. 2022
  • Use them sparingly, and only if necessary; most feature pyrethrins or their synthetic version, pyrethroids.
    Brett Martin, Popular Mechanics, 17 May 2023
  • According to LiveScience, bug sprays contain an active ingredient called pyrethroids that interferes with nerve signaling in humans.
    Leada Gore | Lgore@al.com, al.com, 17 July 2019
  • Toxicology reports of the Canadian victims confirmed the presence of pyrethroid and organophosphate - two agents commonly found in fumigation products.
    Barnini Chakraborty, Fox News, 20 Sep. 2019
  • Raid’s active ingredients, pyrethroids, are generally considered to be safe in small exposures, Rusyniak said.
    Robert Scheer, Indianapolis Star, 18 Mar. 2018
  • Children on organic diets routeinely had pyrethroids in their systems, and the organic group actually had higher levels of several pyrethroid metabolites than the conventional one.
    Christie Wilcox, Discover Magazine, 24 Sep. 2012
  • The primary ingredient in Insect Shield (or any insect-repellent treatment for clothing) is permethrin, a synthetic pyrethroid insecticide that can be used to kill insects, including ticks, and acts as a repellent when applied to clothing.
    Nancy Jo Adams, Popular Mechanics, 22 Apr. 2023
  • Normally, mosquito control agencies use two pesticides to reduce adult mosquito populations: pyrethroids and organophosphates.
    Claire Gillespie, Health, 31 Mar. 2023
  • Residential services typically use insecticides registered with the Environmental Protection Agency, like pyrethrins, derived from chrysanthemum flowers; and pyrethroids, synthetic chemicals that mimic pyrethrins.
    Ann Carrns, New York Times, 14 July 2017

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'pyrethroid.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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