Heather Angel / Brown-banded carder bee (Bombus pascuorum) nectaring on Woolly foxglove (Digitalis lanata). Sussex, England, UK. July.

Will Watson / Brown Banded Carder Bee (Bombus humilis) on Spear Thistle (Cirsium vulgare), Worcestershire, England, UK, July.

David Woodfall / Researcher looking at Brown carder bee (Bombus humilis) in test tube with tissue paper to prevent injury. Newport Marshes Reserve, Gwent, Wales, UK. August 2014.

Phil Savoie / Brown banded carder bumblebee (Bombus humilis) flying towards Rosebay Willowherb (Chamerion angustifolium) Monmouthshire, Wales, UK, September.

Phil Savoie / Brown banded carder bee (Bombus humilis) pollinating Rosebay Willowherb (Chamerion angustifolium) Monmouthshire, Wales, UK, September.

Chris Shields / Illustration of British bumblebees (Bombus sp.). Clockwise from top left: Cuckoo bee (Bombus (Psithyrus) sylyestris),Carder bee (Bombus sylvarum),New garden bumblebee or Tree bumblebee (Bombus hypnor...

Premaphotos / Brown-banded carder bumble bee (Bombus humilis) overwintered queen foraging on thrift, UK