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Author Topic: mite fall after thymol treatment  (Read 1169 times)
Zoot
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« on: November 01, 2007, 09:12:34 AM »

While mites appeared to be virtually non-existant in several of my hives I decided to treat 2 of them that had produced a few during a series of weekly sugar shakes back in August. The results have been a bit unsettling; in both hives the earlier mite counts had been minimal, never more than 5 to 10 and sometimes none. Since the thymol treatments (2 treatments in Sept and early Oct) mites have been falling onto the sticky boards in large numbers and they're still falling - is this typical of a thymol treatment?
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BeeHopper
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« Reply #1 on: November 01, 2007, 09:22:27 AM »

While mites appeared to be virtually non-existant in several of my hives I decided to treat 2 of them that had produced a few during a series of weekly sugar shakes back in August. The results have been a bit unsettling; in both hives the earlier mite counts had been minimal, never more than 5 to 10 and sometimes none. Since the thymol treatments (2 treatments in Sept and early Oct) mites have been falling onto the sticky boards in large numbers and they're still falling - is this typical of a thymol treatment?

With 2 years experience with Apiguard, yes. I treat for a total of 6 weeks straight, Thymol knocks the mites down pretty well for me.  grin
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Zoot
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« Reply #2 on: November 01, 2007, 09:32:18 AM »

I actually used a paste solution that a neighbor gave me, probably similar to Apiguard in content. What I wasn't prepared for was the number of dead mites. I do very thorough sugar shakes and the previous evidence of mite infestation was minimal.
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kathyp
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« Reply #3 on: November 01, 2007, 09:54:33 AM »

with the sugar shakes, the mites may end up covered or leaving the BB, before you see them.  they are very hard to count if they get PS on them.  also, the PS depends on the bees being very good at grooming and it is only designed to keep numbers down.  the last report i saw ( and i can't remember where) had the PS treatment at about 50% effectiveness and then only if done repeatedly over a period of months.  maybe someone remembers the article.

they were not at all discouraging the use of powdered sugar.  it does help a lot if you keep at it.  i think you just have to realize that it may not be enough and keep an eye on things.
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Brian D. Bray
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« Reply #4 on: November 01, 2007, 11:07:30 PM »

Sugar shakes were never meant to be a cure, just a control.  The key to using sugar shakes is to do 3-5 treatments--one every 10 days.  5 treatments will give better results than 4 or 3.  I view sugar shakes as a temporary bandaid until the bees develop a resistance.  Resistance is better that all the chemical treatments in the world.
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Zoot
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« Reply #5 on: November 02, 2007, 03:54:09 PM »

Actually my primary interest in sugar shakes is as an indicator; In the case of these 2 hives the results of over 2 months of thorough shakes seems oddly skewed against the evidence (large numbers of dead mites) that has mounted since my thymol treatments. Hence the question at the end of my earlier post - is it typical for mites to continue falling from a thymol treatment even up to 2 weeks after the treatment? It's been 12 days now and I'm finding dead mites on the ssb insert of one of the hives.
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kathyp
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« Reply #6 on: November 02, 2007, 07:28:13 PM »

i had not noticed it, but two things occur to me.  1.  it might be a testament to the hygienic behavior of your bees -or- 2.  if the SBB of your hives is a bit clogged up, it might just be dead mites coming through as things are stirred up.

don't know when you last cleaned your screen, but i was amazed at how much stuff can accumulate on there.  pollen, bee and other insect parts, etc.
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.....The greatest changes occur in their country without their cooperation. They are not even aware of precisely what has taken place. They suspect it; they have heard of the event by chance. More than that, they are unconcerned with the fortunes of their village, the safety of their streets, the fate of their church and its vestry. They think that such things have nothing to do with them, that they belong to a powerful stranger called “the government.” They enjoy these goods as tenants, without a sense of ownership, and never give a thought to how they might be improved.....

 Alexis de Tocqueville
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