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Treatments For Varroa


Simple Early Treatment of Nucs Against Varroa

First published in: American Bee Journal, April 2013

Simple Early Treatment of Nucs Against Varroa Randy Oliver ScientificBeekeeping.com First published in ABJ April 2013 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 […]

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Oxalic Acid Treatment Table

Update April 2020:  Oxalic acid will react with the calcium carbonate in hard water to form a precipitate of calcium oxalate, which you may see as a fine white layer on the bottom of the container.   But this isn’t really something to worry about.  The “hardest” water contains around 200 mg of calcium carbonate per liter.  For […]

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

An Early Summer Test of Mite-Away Quick StripsTM First published in ABJ September 2011 Randy Oliver ScientificBeekeeping.com 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 […]

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IPM 6 Fighting Varroa The Arsenal: Our Choice of Chemical Weapons

  IPM 6 Fighting Varroa The Arsenal: Our Choice of Chemical Weapons Randy Oliver ScientificBeekeeping.com First Published in ABJ in June 2007 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 […]

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IPM 7 Fighting Varroa The Arsenal: “Natural” Treatments – Part 2

IPM 7 Fighting Varroa The Arsenal: “Natural” Treatments – Part 2 © Randy Oliver 2007 ScientificBeekeeping.com First Published in ABJ in September 2007 (Tenth in a Series on Integrated Pest Management of Varroa)   Let me tell you, researching and writing this series has been an education for me! Several of my preconceived notions have […]

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IPM 7 Fighting Varroa -The Arsenal: “Natural” Treatments – Part 1

IPM 7 Fighting Varroa 7 The Arsenal: “Natural” Treatments  Part 1 Randy Oliver ScientificBeekeeping.com First Published in ABJ in August 2007 (Ninth in a series on integrated pest management of Varroa) Disclaimer: I am not licensed to make any pesticide recommendation. I am merely reporting on information from appropriate authorities. You should consult your local authority […]

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Oxalic Acid: Part 2 Heat Vaporization and Other Methods

Oxalic Acid: Part 2 Heat Vaporization and Other Methods Randy Oliver ScientificBeekeeping.com Originally published ABJ Jan 2007 Update December 2016: I suggest that you view my oxalic acid Powerpoint presentation, which I will try to keep up to date–https://scientificbeekeeping.com/oxalic-acid-powerpoint-presentation/ In my article last month, I detailed the use of the oxalic acid sugar syrup “dribble” […]

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Oxalic Acid: Part 1- Questions, Answers, and More Questions

Oxalic Acid: Part 1 (of 2) Questions, Answers, and More Questions Why Oxalic Acid? ©Randy Oliver 2006 ScientificBeekeeping.com First Published in ABJ in December 2006 European beekeepers, who have dealt with varroa much longer than we have, and who often face regulations that do not look favorably upon chemicals that may contaminate honey, noted that […]

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The Learning Curve – Part 5: The Future

The Learning Curve:  The Future Randy Oliver ScientificBeekeeping.com First Published in ABJ in Nov. 2009 “I look to the future because that’s where I’m going to spend the rest of my life.” – George Burns Miticides in Development There are a number of new varroacides currently in development by various parties—some fairly close to release. […]

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The Learning Curve – Part 4: The Synthetic Miticides

The Learning Curve:  Part 4–The Synthetic Miticides Randy Oliver ScientificBeekeeping.com First Published in ABJ in Sep. 2009 Paradise Lost The overall impact of the varroa mite upon beekeeping was recently brought home when I spent time with beekeepers on the Big Island of Hawai’i. Until recently, these lucky beekeepers enjoyed a true beekeeping paradise—abundant nectar […]

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The Learning Curve – Part 3: The Natural Miticides

The Learning Curve: Part 3 Randy Oliver ScientificBeekeeping.com First Published in ABJ in July 2009 I added a number of updates on May 2015, marking 15 years of successful commercial beekeeping in my operation without the use of synthetic miticides.   “It is not the strongest of the species that survives, nor the most intelligent […]

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The Learning Curve – Part 2: Killing Mites without Killing Your Bees

The Learning Curve, Part 2 Killing Mites without Killing Your Bees Randy Oliver First Published in ABJ in May 2009 “U.S. beekeepers crossed the Rubicon of pesticide application when Varroa mites were introduced in the late 1980s. They literally “tore down the fence,” as one wag put it, quickly transforming themselves from anti-pesticide fundamentalists into […]

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The Learning Curve – Part 1: 2009 Progress Report

The Learning Curve—2009 Randy Oliver Scientificbeekeeping.com First Published in ABJ in April 2009 Physicist Neils Bohr once quipped, “An expert is a person who has made all the mistakes that can be made in a very narrow field.” This definition clearly excludes me from being any sort of expert, since I exuberantly continue to make […]

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Miticides 2011

First published in: American Bee Journal February 2011

Miticides 2011 Randy Oliver ScientificBeekeeping.com First published in American Bee Journal February 2011 Colony health and production these days is largely a function of varroa levels in the hives—the more mites, the more problems. It is no longer a matter of simply knocking the mites back once a year with a “silver bullet”—it is becoming […]

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