Ms Prentice said the permitted oxalic acid based products can be applied in the presence of bee brood and when honey supers are in place, however, are most effective when no brood is present.
He said he also regularly treats the honeybees with oxalic acid for varroa mites, a parasite that has plagued populations for decades. Factors like parasites, exposure to pesticides and a lack of ...
The bees in one box started to die ... He said he also regularly treats the honeybees with oxalic acid for varroa mites, a parasite that has plagued populations for decades.