There is also the wild bumble bees and the solitary bees.

BBC: Making a bee-line for city roofs

"One of the main reasons bumble bees have been declining over the last 70, 80 years has been changes in the landscape, " explains Dawn Ewing, outreach manager of the Bumblebee Conservation Trust.

BBC: Making a bee-line for city roofs

They have commissioned new studies that will look at the impacts of neonicotinoids on bumble bees in field conditions and to understand what levels of pesticide residues and disease in honey bees are normal.

BBC: Science & Environment

As the name suggests solitary bees are lone operators, while bumble and honey bees are social and live in colonies.

BBC: Making a bee-line for city roofs