It is the females that do all the work and get things done...

.... at least in the world of bees.
as some photo's from my garden today illustrate.

 Styrax japonica is a fabulous tree now.  Its flowers are attracting scores of bumblebees. 
Above and below probably male Buff-tailed Bumblebees.

 This Buff-tailed Bumblebee is a worker: see the pollen basket on its leg.  Click any picture to expand it.

 Above, probably a Red-tailed Bumblebee male.

 On a Cornflower, above this looks like a male Red-tailed Bumblebee too -- collecting no pollen.

 Meanwhile, in the wild area a worker Red-tailed Bumblebee, is filling her pollen baskets to feed her growing family relations in the nest.

This wild area is full of Yellow rattle, Ox-eye Daisies, Smooth Cat's ear and more: a haven for insects.