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Author Topic: Is boric acid dangerous to honeybees?  (Read 11628 times)
boca
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« Reply #20 on: September 28, 2011, 02:53:15 AM »

Paracelsus, sometimes called the father of toxicology, wrote:
Quote
    German: Alle Ding' sind Gift, und nichts ohn' Gift; allein die Dosis macht, daß ein Ding kein Gift ist.
    "All things are poison, and nothing is without poison; only the dose permits something not to be poisonous."
Or, more commonly

    "The dose makes the poison."

That is to say, substances considered toxic are harmless in small doses, and conversely an ordinarily harmless substance can be deadly if over-consumed.
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JP
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« Reply #21 on: September 28, 2011, 08:55:35 AM »

Yes, boric acid can kill just about anything in the right dosage. It works by ingestion. It works great at eliminating various household ants. The key is to use a small amount with something like apple juice or even peanut butter depending on the ants preference. If you use just a bit of boric acid in your mix you achieve a transference effect and get colony elimination. Too much active ingredient you kill a good many but you don't eliminate the colony.

I could see it being quite lethal on a honey bee colony, particularly if used in honey during a dearth.


...JP
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Understudy
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« Reply #22 on: September 28, 2011, 04:45:14 PM »

The one thing I found really surprising was that they were using 5% concentration levels in the study. When you buy boric acid off the shelf you can get boric acid that is 99% boric acid 1% inert. The point being is that I don't think everyone realizes that just a low level of boric acid is dangerous.

Sincerely,
Brendhan
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JackM
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« Reply #23 on: October 02, 2011, 09:27:52 PM »

Not trying to disagree with anyone, but from my experience as a businessman selling and installing cellulose insulation, the boric acid keeps the insects out as even before ingestion it is abrasive and draws out moisture.  After a day of working without gloves my hands got so dry they would crack and bleed.  Never, ever did I find bugs of any type in attics with cellulose insulation.  Why is it in the insulation?  Actually for fire retardant characteristics....for what that is worth.

I do agree it is not good for bees, but I think more in contact with it over eating it, as bugs just don't like it, not even spiders.  They stay away from it....Smell?Huh
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