Kim Taylor / Common Carder Bee {Bombus pascuorum} queen collecting nectar from Comfrey, Surrey, England.

Phil Savoie / Early bumblebee (Bombus partorum) feeding on Comfrey (Symphytum officinale), Monmouthshire, Wales, UK. May.

Phil Savoie / Buff tailed bumblebee (Bombus terrestris) feeding on Comfrey (Symphytum officinale), Monmouthshire, Wales, UK. June.

Phil Savoie / Tree bumblebee (Bombus hypnorum), nectar robbing from Comfrey (Symphytum officinale), Monmouthshire, Wales, UK. May.

Phil Savoie / Early bumblebee (Bombus partorum) nectar robbing Comfrey (Symphytum officinale), Monmouthshire, Wales, UK. May.

Phil Savoie / Red Mason bee (Osmia bicornis) female nectar robbing from comfrey, Comfrey (Symphytum officinale), Monmouthshire, Wales, UK. May

Phil Savoie / Early bumblebee (Bombus partorum), flying to Comfrey (Symphytum officinale), Monmouthshire, Wales, UK. May.

Heather Angel / Prickly comfrey (Symphytum asperum), flowers open red and change to blue. Caucasus, Russia. June.

Heather Angel / Garden bumblebee (Bombus hortorum) queen nectaring on Comfrey (Symphytum 'Hidcote Pink') flowers. In garden, Surrey, England, UK. March.

Phil Savoie / Early bumblebee (Bombus pratorum) worker feeding on Comfrey (Symphytum officinale), robbing nectar by piercing the flower base to drink nectar without pollinating, Monmouthshire, Wales, UK, May.

Phil Savoie / Tree bumblebee (Bombus hypnorum) feeding on Comfrey (Symphytum officinale), robbing nectar by piercing the flower base to drink nectar without pollinating, Monmouthshire, Wales, UK, May.

Phil Savoie / Common carder bumblebee (Bombus pascuorum), feeding on Comfrey (Symphytum officinale), Monmouthshire, Wales, UK. May