Winter Bees & Formic Acid

摘要

Every year in early Spring, beekeepers inspect their hives to find out if and how their bees have made it through the Winter (Figure 1). And every year, many of these beekeepers are in for a rather unpleasant surprise when they discover that a numberof their colonies have not survived the cold season. Varroa destructor remains one of the most significant causes of these colony losses, especially when the winter is exceptionally mild. Keeping your mite counts in check in late Summer, and treating your bees with MAQS* at the right time can prevent these losses. Here's why the late season Varroa treatment is the most important treatment in the year, and why formic acid is the weapon of choice against Varroa