Heavily parasitized bees cannot produce healthy, “fat” bees to winter over, and you'll most likely lose your hive. ... MAQS and the newer formic acid treatment, Formic Pro, are the only effective treatments that can be used with honey supers on the hives.

Does formic acid kill hive beetles?

FORMIC ACID DOES NOT KILL THE BEETLE, however, during regular treatments with MiteGone, it was observed that when acid was present in the hive, the beetle tended to leave the hive and then return after the acid was gone. ... Harsh application of formic acid will cause distress and attract beetles to the hives.

What do you put in a hive beetle trap?

The traps are placed between the outermost frames. In sentinel hives, or with low infestation, for each colony, two Beetle Blaster traps are partly filled with about 25 ml each of food-grade oil such as corn or sunflower oil.