Bees on Comfrey (1)13-06-17 098

Bees on Comfrey (1)13-06-17 098

Observation - Bees on Comfrey (1)13-06-17 098. Description: Watching many bees busy on comfrey, most (including this one) just hung on to the outside of the bell, time after time without entering it. Only one bee was able to enter the bell. Why?

Watching many bees busy on comfrey, most (including this one) just hung on to the outside of the bell, time after time without entering it. Only one bee was able to enter the bell. Why?