Nick Upton / Buff-tailed Bumblebee (Bombus lucorum) foraging on Wild Angelica (Angelica sylvestris) flowering on river bank. Wiltshire, UK, June.

Kim Taylor / Common White-tailed Bumblebee (Bombus leucorum / lucorum) foraging on Hogweed (Heracleum sphondylium). Surrey, UK, June.

Kim Taylor / Common White-tailed Bumblebee (Bombus leucorum / lucorum) foraging on Hogweed (Heracleum sphondylium). Surrey, UK, June.

Kim Taylor / Common White-tailed Bumblebee (Bombus leucorum / lucorum) foraging on Hogweed (Heracleum sphondylium). Surrey, UK, June.

Nick Upton / White-tailed bumblebee (Bombus lucorum) heavily dusted with pollen, using long proboscis to take nectar from Himlayan balsam (Impatiens glandulifera) flower. Wiltshire pastureland, UK, October

Nick Upton / White-tailed Bumblebee (Bombus lucorum) queen infested with parasitic mites (Parasitellus fucorum) feeding on Alexanders (Smyrnium olusatrum) flowerhead. Cornwall, UK, April.

Stephen Dalton / White tailed bumblebee (Bombus lucorum) in flight, UK

Stephen Dalton / White tailed / Common carder bumblebee (Bombus agrorum) feeding from red Labiate flowers, UK

Wild Wonders of Europe / Geslin / White tailed bumblebee (Bombus lucorum) collecting nectar from Dandelion flower (Taraxacum officinale) in the Vatican garden, Rome, Italy, March 2010

Stephen Dalton / White tailed bumblebee (Bombus lucorum) at purple Foxglove flower, UK

Stephen Dalton / White tailed Bumble bee (Bombus lucorum) on Willowherb flower, UK

Stephen Dalton / White-tailed bumblebee (Bombus lucorum) pollinating Foxglove (Digitalis sp) flower, England, UK