Bombus terrestris is a large size bumblebee (Queens: 20-23 mm. Lesser and variable size in workers).
It shows a complex and not well known phenological cycle. However it is a species whose any other features are well known, with much literature.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith
