Dusting bees with icing sugar as a varoa treatment how effective is it?

[edward]

If you dust bees with icing sugar as a varoa treatment how effective is it ?

Hive with brood?

Hive with out brood?

A swarm of bees ?

Are there any studies out there that report effectiveness i % or other wise ?

mvh edward  :-P

[AllenF]

http://scientificbeekeeping.com/powdered-sugar-dusting-sweet-and-safe-but-does-it-really-work-part-1/ 


http://countryrubes.com/images/Powdered_sugar_dusting_in_bee_colonies_as_varroa_control_updated_9_09_09l.pdf    

[edward]

Thank you !

mvh edward  :-P

[Michael Bush]

Here is the issue with any treatment and more so with any treatment that isn't pretty effective to start with:
http://www.bushfarms.com/beesvarroatreatments.htm