If the worker bee weighs on average about 121 mg, how many mg do you guess a queen weighs?

So, we know that queens are the largest caste of bees in the hive, although some drones are larger than some queens. Per The Beekeeper’s Handbook, 5th ed., 2021, Diana Sammataro & Alphonse Avitabile, queens range in size from 178 to 292 mg at emergence from the queen cell. That's quite a range in size, and maybe after mating and abdominal distension with full development and full utilization of egglaying apparatus, they could weigh even more!