 Worker bees and dwarf queens tend to be on the lower end of this spectrum while queens tend to lie on the higher end.Dwarf queens and workers tend to have an average weight of about 30 mg, but have been known to weigh as much as 40 mg or as little as 22 mg. Mated queens (those in charge of the nest) are, in comparison, much larger.The average queen bee weighs in at about 130 mg.