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Treatments For Varroa


IPM 6 The Arsenal: Our Choice of Chemical Weapons

I’m clearly in the “minimal chemical” camp, yet all my commercial buddies, without exception, depend upon “off label” use of agricultural miticides to keep their colonies alive. These are top-notch beekeepers, and I greatly respect them, learn from them, and have no problems with their methods. The reality is, they would all likely have gone […]

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Managing Varoa: Part 1 – IPM Realities

First published in: American Bee Journal, March 2011

I welcome practical, tested tips, methods, and assessments from other beekeepers who are successfully keeping bees with varroa.  I found this article to be a good reality check on certain varroa IPM methods.  It was originally published in the March 2011 ABJ, and I asked the author if I could post it to this website.  […]

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Sick Bees – Part 11: Mite Monitoring Methods

First published in: ABJ June 2011

Randy Oliver Last month I was presumptuous enough to try to boil successful beekeeping down to four basic rules. Giving the bees a dry home with plenty of honey is pretty obvious, so I’m going to make the other three easy to remember. Think of them as the “Three P’s”—Protein, Parasites, and Pesticides (including miticide […]

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Sick Bees – Part 12: Varroa Management – Getting Down to Brass Tacks

Randy Oliver Last month I showed how to make a mite shaker bottle, so that you could easily keep track of the actual mite levels in your hives.  So now you may wonder, how do I use those mite counts to better manage my hives? I was recently speaking in New Zealand, where the beekeepers […]

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An Early Summer Test of Mite-Away-Quick Strips(tm)

Randy Oliver In the February issue of this Journal, I wrote about a fall trial that I performed with the new formic acid delivery method—Mite-Away Quick Strips (MAQSTM).  I had been impressed by their efficacy and ease of use.  Imagine my surprise and dismay when I received a couple of phone calls from beekeepers in […]

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Oxalic Acid Treatment Table

Be sure to read “Oxalic Acid – Questions and Answers” and “The Learning Curve – Part 3“  before using oxalic acid. It is critical to apply it correctly, or you risk seriously harming your bees!” Important Note:  the following proportions refer to common oxalic acid dihydrate (wood bleach).  If you manage to get your hands […]

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Simple Early Treatment of Nucs Against Varroa

First published in: American Bee Journal, April 2013

Randy OliverScientificBeekeeping.com Starting the season with a low level of varroa allows a colony to get a jump on the mite and its associated viruses.  I tested a simple method for incorporating varroa management into nuc production. Introduction When I try to understand something about beekeeping, I seek out examples from the extreme ends of […]

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Does Oxalic Acid Treatment of Nucs Affect Honey Production?

First published in: American Bee Journal, December 2013

BEEKEEPER-FUNDED RESEARCH Randy OliverScientificBeekeeping.com Last year I ran two trials to see whether I could take advantage of the brief window of opportunity which occurs 19 days after starting nucs with queen cells, during which the mites are forced out of the brood.  I detailed the theory, timing, and procedure in a previous article [1].  […]

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An Improved, But Not Yet Perfect, Varroa Mite Washer

First published in: American Bee Association Oct 2013

Randy OliverScientificBeekeeping.com I keep looking for a quick, easy, and accurate way to monitor mite infestation rates.  I’ve happily used the mite shaker bottle for some years, but it has its shortcomings.  I’d like to ask my readers to help me improve the design. As I detailed in the July issue, the shaker bottle gives […]

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