from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A fluorinated pyrethrin analogue used as an insecticide.


Sorry, no etymologies found.


  • Since the pesticide DDT was banned starting about 40 years ago, people usually have treated bedbug infestations with pesticides based on a family of compounds called pyrethroids, usually deltamethrin or lambda-cyhalothrin, synthetic versions of chemicals found in chrysanthemum blossoms.

    Why Bedbugs Won't Die

  • The active ingredient of Hallmark, lambda-cyhalothrin, was not included in the test.

    The Independent - Frontpage RSS Feed

  • The neonicotinoid, Biscaya (thiacloprid) costs three times the price of a typical pyrethroid such as Hallmark Zeon (lambda-cyhalothrin).

    FWi - All News

  • Products such as Contest (alpha-cypermethrin) or Hallmark (lambda-cyhalothrin) give reasonable persistence during the danger period, suggests Mr Freer.

    FWi - All News

  • Three types of pesticides were detected in the vegetables, including methyl parathion, cyhalothrin and flucythrinate, he said.

    The Times of India

  • As many are grown for human consumption bruchid beetle control has been a high priority, many crops receiving Hallmark Zeon (lambda-cyhalothrin) during flowering.

    FWi - All News

  • Discussion The lambda-cyhalothrin (PP321) vapor pressure data The advantage of the Knudsen effusion/QCM method is were collected using an orifice plate with a 0.381 mm orifice that the QCM is unaffected by vibrational noise and has a diameter.

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  • The hexaconazole, atrazine, cis - mass gain of the QCM. permethrin, and lambda-cyhalothrin test substances were The advantages of the QCM are increased sensitivity, purified in our laboratory, and all were certified with reduced cost, and insensitivity to vibrational noise.

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  • Lambda-cyhalothrin is a solid at room temperature and 70 0.229 3 15 17 75 0.229 3 28 31 a liquid at 55 °C.

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