by P. G. Willmer and K. Finlayson
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| Cross section of a periwinkle (Vinca) flower |
Bumblebees (Bombus spp.) are well known for their
abilities to forage at and pollinate flowering plants. However, unlike honeybee
workers which are similar in size, bumblebee workers show large variation in individual
body size. This variation occurs both within species and within individual nests
of highly related sisters. This size variation may contribute to the bees’
efficiency in moving pollen grains between flowers.
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