Tag: winter food

Hive maintenance

Oxalic Acid Drizzle

Dr. Marion Ellis from the University of Nebraska spoke at an NCSBA bee conference in 2016 and covered a couple of methods for using oxalic acid to eliminate varroa in the hive.  The trickle or drizzle or dribble method is one of the ways to treat.  According to Dr. Ellis, this method is applicable only …