Heather Angel / Honeybee (Apis mellifera) with full pollen baskets and pollen on head, thorax and abdomen. Bee withdrawing from Snowdrop (Galanthus nivalis) flower after nectaring. In garden, Surrey, England, UK. Feb...

David Woodfall / Honey bee (Apis mellifera) on Sea holly (Eryngium) Wales, UK, July.

David Woodfall / Early bumble bee (Bombus pratorum) on tufted vetch flower (Viccia cracca) with pollen in pollen basket, North Wales, UK. July.

MD Kern / Palo Alto JR Museum / European honey bee (Apis mellifera) carrying pollen on legs, whilst others are building honey comb, captive.

Ammonite / Ashy mining bee (Andrena cineraria) with full pollen basket, in urban garden, Bristol, UK, June.

Fabrice Cahez / Bumble-bee (Bombus sp) worker foraging at flower, with pollen visible on pollen basket, Vosges, France, June.

Michael Durham / Honey Bee (Apis mellifera) approaching English Lavender (Lavandula angustifolia) flowers visible pollen basket, western Oregon

Michael Durham / Bumblebee (Bombus sp) flying with large pollen baskets, Cherokee National Forest, Tennessee

John B Free / Honey Bee (Apis mellifera) tending to a cell at the nest. The bee will provision the cell with pollen and nectar ('bee bread') from its pollen basket or 'corbicula'.

Michael & Patricia Fogden / Hollowheart (Acnistus arborescens) flowers being pollinated by Bees (Apidae) in cloud forest, Tandayapa Valley, western slope of Andes, Ecuador

Scott Leslie / Honey Bee (Apis mellifera) gathering pollen with pollen baskets on legs, Annapolis Valley, Nova Scotia, Canada

Heidi & Hans-Juergen Koch / Honey Bee (Apis mellifera) with pollen baskets on hind legs, Bee Station at the Bavarian Julius-Maximilians-University of Wurzburg, Germany