Biotechnical Methods


Trial of HoneySuperCell® Small Cell Combs

Randy Oliver Introduction There has been considerable discussion as to whether “small cell” foundation (4.9mm diameter vs. the industry “standard” of approximately 5.4mm) has potential as a means of controlling varroa reproduction.  Research on Africanized bees in South America indicates that small cell size may reduce mite reproduction, yet data from South Africa and Europe […]

Read More

Powdered sugar dusting – sweet and safe, but does it really work? Part 1

By Randy Oliver The dusting of colonies with powdered sugar as a means of varroa control has become quite popular with hobbyists. Unfortunately, there is precious little published data in support of its actual efficacy in the field. So we here at Still-on-the-Learning-Curve Apiaries decided to put it to the test. Author’s note: My readers […]

Read More

Powdered sugar dusting – sweet and safe, but does it really work? Part 2

By Randy Oliver One beauty of science is that it is anti-authoritarian. Physicist Lawrence Krauss put it well: “There are no scientific authorities. There are scientific experts, but there should be no authority figures whose statements are not subject to question by anyone….One of the greatest experiences scientists, indeed anyone, can have is to have […]

Read More

Powdered sugar dusting – sweet and safe, but does it really work? Part 3

By Randy Oliver Scientific inquiry can be exciting yet exasperating, satisfying yet frustrating! On these pages I share my own voyage of discovery, and enjoy the liberty of avoiding scientific formality. If one were to only read published papers, one might think that every experiment worked the first try, successfully answered a question, or made […]

Read More

IPM 5 Fighting Varroa 5: Biotechnical Tactics I

(Photos to be added – check back) Fifth in a series on Integrated Pest Management of varroa In the “silver bullet” model, any mite kill less than 95% was considered ineffective. Unfortunately, the days of that kill rate are fading for most synthetic chemicals. It would be wise for beekeepers to consider an alternate model […]

Read More

IPM 5.5 Fighting Varroa 5.5: Biotechnical Tactics II

Introduction 1 Drone Brood Management and Trap Combs 1 Powdered sugar dusting 4 The Oliver 15-second sugar dust method 6 Discussion 7 The one-two punch—30 seconds to knock out varroa! 7 My new website 8 References 8 Tactics: Biotechnical Methods II–The one-two punch Sixth in a series on Integrated Pest Management of varroa Note: this […]

Read More


Top