The effectiveness of thermotherapy in the elimination of Varroa destructor
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  1. #1
    Join Date
    Nov 2014
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    Default The effectiveness of thermotherapy in the elimination of Varroa destructor

    "Abstract: Linhart´s thermosolar hive was tested on its efficiency in suppressing the mite Varroa destructor Anderson & Trueman 2000 in honey bee colonies. It has been experimentally verified that thermotherapy is highly effective in suppressing Varroa destructor." […]

    source: https://www.degruyter.com/downloadpd...-2016-0032.pdf

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  3. #2
    Join Date
    Nov 2011
    Location
    Rader, Greene County, Tennessee, USA
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    Default Re: The effectiveness of thermotherapy in the elimination of Varroa destructor

    Thanks for the article link.

    Even if one does not have a 'thermosolar' hive, this is reinforcement that a good strategy is to place all hives in full sun whenever possible.
    Graham
    USDA Zone 7A Elevation 1400 ft

  4. #3
    Join Date
    Dec 2012
    Location
    Sacramento, CA, USA
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    7,861

    Default Re: The effectiveness of thermotherapy in the elimination of Varroa destructor

    Or during the winter time when the sun is not that hot go ahead to heat up the
    nuc hives to 86F all winter long. This will encourage the bees to not form a cluster and
    are still grooming each others. I have very strong allogrooming Italians bees this winter.

    With the sun in high noon the hive temp can reach 90F along with the supplement heat. We'll see what is
    the mite load coming out of winter that in other years will crashed my hives without doing any treatment before
    winter time.
    Don't mix foreign bees into a virgin hive. She might get balled 100% of the time! When will you ever learn, huh?

  5. #4
    Join Date
    Nov 2011
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    Rader, Greene County, Tennessee, USA
    Posts
    10,836

    Default Re: The effectiveness of thermotherapy in the elimination of Varroa destructor

    Read the article.

    The temperatures discussed were considerably higher than 86 degrees F.
    Graham
    USDA Zone 7A Elevation 1400 ft

  6. #5
    Join Date
    Dec 2012
    Location
    Sacramento, CA, USA
    Posts
    7,861

    Default Re: The effectiveness of thermotherapy in the elimination of Varroa destructor

    104F, I think it is quite achievable with the 100 watt light bulb added to the 20 watt heat pads. At night time
    the bees will be fanning like crazy under such an intense heat for a short duration.
    Don't mix foreign bees into a virgin hive. She might get balled 100% of the time! When will you ever learn, huh?

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