I was also concerned about the indigestibility of cornstarch. Eric 
Mussen of UC Davis said that it is a concern in colder climates where 
the bees cannot fly out, but otherwise it is a temporary situation and 
does not amount to a problem.
However, the powdered sugar may get 90 percent of the mites on the bees, 
but the majority of mites are in the capped cells. I am trying three 
treatments, figuring 90-90-90 will do some good. Any comments on this 
conjecture?
Mea McNeil

Howard Kogan wrote:
some concern voiced about the cornstarch that is generally
> found in powdered sugar.

-- Visit www.honeybeeworld.com/bee-l for rules, FAQ and  other info ---