Oxalic Acid


Oxalic acid is a highly effective substance for controlling the varroa mite in hives without brood. With correct utilisation and dosage, the three application techniques utilised to date - viz., spraying, trickling and sublimation - offer an acaricidal effect of over 95% whilst being well tolerated by the bees. Our tests have shown that an oxalic acid treatment the previous autumn does not leave residues in spring honey.

There are various types of evaporators of varying effectiveness. We advise making a choice based on the results of our tests6. Moreover, we have tested a new aerosol-based distribution principle in Swiss hives, with good results.