APistan strips plus a sticky board are effective control agents for the
Varroa mites (follow label directions).
 
The reserach we have done with oil patties (or extender patties) has should a
continuous treatment of Crisco/sugar patties is an excellent way of reducing
mite infestation levels. Paper to be published Aug. 94 in J. of Economic Ent.
If you have particular questions, I would be happy to answer them
 
DIana Sammataro