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varroa

Oxalic Acid Shop Towels

Oxalic Acid Shop Towels

Randy Oliver is testing the effectiveness of oxalic acid soaked shop towels against varroa mites. And has some new results. This approach appears promising for anyone who wants to effectively treat for varroa without contaminating the bees, equipment or the environment. It’s simple. Blue shop […]

Co-evolution of Bees and Mites

Co-evolution of Bees and Mites

At Beesource, Mike Bispham shared a paper describing the co-evolution of two European bee populations. Host Adaptations Reduce the Reproductive Success of Varroa Destructor in Two Distinct European Honey Bee Populations Dr. Tom Seeley suggested a similar process is at work in the Arnot Forest […]

Oxalic Acid’s Sublethal Effects

Oxalic Acid’s Sublethal Effects

Treating bees with oxalic acid damages honeybees. Peter Borst, at Bee-L, writes: Sublethal effects of oxalic acid on Apis mellifera are hardly investigated. However, permanent damages of the digestive organs of adult workers are described. This can influence the nutrient supply and the feeding behaviour […]

Randy Oliver – Scientific Beekeeping

Randy Oliver – Scientific Beekeeping

So, what does a non-migratory Wyoming beekeeper do when the winds are howling and the snow blowing? This one turns down the thermostat. Fires up the infra-red heater. Kicks back and reads. It’s been awhile since I’ve visited Randy Oliver’s  Scientific Beekeeping site. It was […]

Too few mites? I know the feeling.

Too few mites? I know the feeling.

The Doldrums I setup a test yard of conventional hives and starting counting mites in 1996. Natural mite drop was counted daily in a few hives, twice-a-week in half the hives, and once a week in the rest. I’d count them this way about 9 […]

Too few mites to study? Naturally!

Too few mites to study? Naturally!

Dr. Wyatt Mangum has been keeping top bar hive bees and writing for the American Bee Journal for years. The June 2010 issue, page 581, is an interesting read. It’s his “Fourth Annual Report on the Coexistence of my North Carolina Bees with Varroa”. From […]

Oxalic Acid Dribbling

Oxalic Acid Dribbling

Dribbling oxalic is a non-contaminating, relatively safe, and cost effect varroa mite treatment. It is quick to apply and can be used when hives can be opened. Why Dribble It? It’s a safer way to get oxalic into a hive when the conditions are right. […]

Oxalic Vaporizer

Oxalic Vaporizer

Oxalic acid can be sublimated into a beehive as an effective varroa mite treatment using cheap oxalic evaporators built from standard plumbing supplies. Methods Oxalic acid is distributed in a beehive by two methods. One method involves spraying or dribbling an oxalic solution. It has […]

Varroa Blaster

Varroa Blaster

Sugar dusting is a labor intensive method, using a benign substance, to treat a beehive for varroa mites. Treatments can be applied when most other mite treatments can’t. A varroa blaster is a simple, cheap as in free device, used to sugar dust a beehive. […]