Hi:
I use three pounds of crisco, one pound of powdered sugar and 1/4 oz. of
essential oil. Place two little balls about the size of golf balls on the
top frames. One in the front and one in the rear, mashed flat. They will
last about three weeks. The oil gets on thier  feet and the mites slide
off. The canola works the same.
 
Bob Neely
 
On Tue, 20 May 1997 16:49:43 -0400 bartlett
<[log in to unmask]> writes:
>When using paper towels with canola oil and an essential oil such as
>spearmint, how often should this be done?  Hate to keep the bees busy
>removing paper when the honey flow is on.
>