[NAFEX] treating bees for mites

William McNam billmcnam at yahoo.com
Tue Apr 6 16:10:59 EDT 2010

Have any of you beekeepers tried  spraying the frames with undiluted cooking oil--such as canola or olive oil? 
This would suffocate the mites and their eggs while giving the bees a needed helping of fat.
Dormant oil has long been used to control mites on fruit trees,but it is a petroleum product (still perhaps less toxic  than synthetic miticides or formic acid.) 

--- On Fri, 3/26/10, William C. Garthright <billg at inebraska.com> wrote:

From: William C. Garthright <billg at inebraska.com>
Subject: [NAFEX] A bad year for bees?
To: "NAFEX List" <nafex at lists.ibiblio.org>
Received: Friday, March 26, 2010, 1:48 PM

FYI, here's an article in the /San Diego News/ with the title, "Bees in 
more trouble than ever after bad winter":




The first two paragraphs:

> The mysterious 4-year-old crisis of disappearing honeybees is 
> deepening. A quick federal survey indicates a heavy bee die-off this 
> winter, while a new study shows honeybees' pollen and hives laden with 
> pesticides.
> Two federal agencies along with regulators in California and Canada 
> are scrambling to figure out what is behind this relatively recent 
> threat, ordering new research on pesticides used in fields and 
> orchards. Federal courts are even weighing in this month, ruling that 
> the U.S. Environmental Protection Agency overlooked a requirement when 
> allowing a pesticide on the market.

Luckily, I had lots of honey bees around last year, so I'm keeping my 
fingers crossed this year. I've been trying to establish a population of 
blue orchard (or mason) bees in my yard, but I haven't had any luck. 
Instead, I've been breeding tons of leaf-cutter bees, it seems.

Well, I'm glad to have leaf-cutter bees around, but they don't emerge as 
early as the blue orchard bees - or even as honey bees, apparently (at 
least, I usually see a few honey bees - only a few - around on my 
earliest-blooming fruit trees).

Lincoln, NE (zone 5)


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