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Are there any bed bugs that are resistant to Cimexa?

(6 posts)
  1. Bugsy18

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    Posted 1 year ago
    Thu Mar 9 2017 21:20:32
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    I know that there are different strains of bed bugs (or believe I read that somewhere at some point) and that over the years they may have developed immunity to different types of chemicals.

    Is there any research supporting a strain of bedbug that is resistant to Cimexa?

  2. Ombugsman

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    Posted 1 year ago
    Thu Mar 9 2017 22:07:01
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    No, CimeXa has killed all resistant strains in lab tests. That said, there was a study which showed at half the labeled rate, Cimexa took longer to kill the resistant strain (which had a thicker cuticle) versus the non-resistant strain. At the labeled rate in that study, Cimexa killed both the resistant and non-resistant strains in the same amount of time. This study shows there might be some concern if bed bugs continue to develop thicker cuticles.

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5198222/

  3. Rick_C123

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    Posted 1 month ago
    Wed Dec 5 2018 15:28:54
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    I would suspect that a bedbug that evolved a thicker cuticle would need to be a more aggressive feeder. For a BB to "buff" up, it would need more food and energy to develop.

    And if a BB developed more of a drive to eat, would that also mean it is more prone to starvation if it didn't get enough food to support cuticle building? Maybe it loses interest in reproduction as well?

  4. BigDummy

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    Posted 1 month ago
    Wed Dec 5 2018 15:35:21
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    Bugsy18 - 1 year ago  » 
    Is there any research supporting a strain of bedbug that is resistant to Cimexa?

    It doesn't affect the dead ones.

  5. Rick_C123

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    Posted 1 month ago
    Wed Dec 5 2018 15:37:50
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    Ha!

  6. Rick_C123

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    Posted 1 month ago
    Wed Dec 5 2018 15:46:35
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    But I do find it interesting that BBs will avoid certain dusts and chemicals... as the graphics in this tracking study depict:

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5620703/


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