Konrad Wothe / Slow motion clip of a Buff tailed bumblebee (Bombus terrestris) landing in a Common poppy (Papaver rhoeas) flower, Germany, June.

Phil Savoie / Red tailed bumblebee (Bombus lapidarius), visiting Clover (Trifolium) flower, Monmouthshire, Wales, UK. June.

Chris Gomersall / 2020VISION / Buff-tailed bumble bee (Bombus terrestris) on field poppy (Papaver rhoeas) showing fully laden pollen sacs, RSPB Hope Farm, Cambridgeshire, UK, May

Nick Upton / 2020VISION / Queen Red tailed bumblebee (Bombus lapidarius) feeding on Yellow tree peony (Paeonia ludlowii) flower in garden, with house in the background, Wiltshire, England, UK, April . Property released.

Phil Savoie / Buff tailed bumblebee (Bombus terrestris) queen flying to Oriental poppy flower (Papaver orientale) with pollen baskets, Monmouthshire, Wales, UK. July.

Alan Williams / Buff-tailed bumblebee (Bombus terrestris) nectaring on Common blanket flower (Gaillardia aristata) in garden. Cheshire, England, UK. July.

Heather Angel / Red-tailed bumblebee (Bombus lapidarius) picking up pollen strings in Large-flowered evening primrose (Oenothera glazioviana). Flowers remains open on cool mornings allowing diurnal species to nectar....

Phil Savoie / Red tailed bumblebee (Bombus lapidarius), queen feeding on Chive (Allium schoenoprasum) flower, Monmouthshire, Wales, UK, May.

Phil Savoie / Red tailed bumblebee (Bombus lapidarius) male flying to Spear thistle (Cirsium vulgare), Monmouthshire, Wales UK, August. May

Phil Savoie / Red tailed bumblebee (Bombus lapidarius) male feeding on Spear thistle (Cirsium vulgare), Monmouthshire, Wales, UK. July.

Phil Savoie / Red tailed bumblebee (Bombus lapidarius) feeding from Biting stonecrop (Sedum acre) Monmouthshire, Wales, UK. June.

Konrad Wothe / Slow motion clip of a Buff tailed bumblebee (Bombus terrestris) feeding from a Common poppy (Papaver rhoeas) flower, Germany, June.

Konrad Wothe / Slow motion clip of a Buff tailed bumblebee (Bombus terrestris) feeding from a Common poppy (Papaver rhoeas) flower, Germany, June.

Konrad Wothe / Slow motion clip of a Buff tailed bumblebee (Bombus terrestris) feeding from a Common poppy (Papaver rhoeas) flower, Germany, June.

Konrad Wothe / Slow motion clip of a Buff tailed bumblebee (Bombus terrestris) landing in a Common poppy (Papaver rhoeas) flower, Germany, June.

Roger Powell / Red-tailed bumblebee (Bombus lapidarius) feeding on nectar from a thistle flower. Druridge Bay, Northumberland, England, UK, July.

Phil Savoie / Red tailed bumblebee (Bombus lapidarius) visiting Clover (Trifolium) flower in unmown lawn, Monmouthshire, Wales, UK. June.

Phil Savoie / Red-tailed bumblebee (Bombus lapidarius) visiting Oilseed rape (Brassica napus) Monmouthshire, Wales, UK, April.

Stephen Dalton / Red tailed bumblebee (Bombus lapidarius) flying to knapweed Rookery Wood, Sussex, England, UK. August.

Phil Savoie / Red-tailed bumblebee (Bombus lapidarius) flying to Oilseed rape / Rapeseed (Brassica napus) flowers, UK, April.

Phil Savoie / Red tailed bumblebee (Bombus lapidarius) feeding on Oilseed rape / Rapeseed (Brassica napus) flowers, UK, April.

Phil Savoie / Red tailed bumblebee (Bombus lapidarius) feeding on Oilseed rape / Rapeseed (Brassica napus) flowers, UK, April.

Phil Savoie / Buff-tailed bumblebee (Bombus terrestris) flying to Oriental poppy (Papaver orientale) Monmouthshire, Wales, UK. July.

Phil Savoie / Buff-tailed bumblebee (Bombus terrestris) flying to Oriental poppy (Papaver orientale) Monmouthshire, Wales, UK. July.

Phil Savoie / Buff-tailed bumblebee (Bombus terrestris) flying to Oriental poppy (Papaver orientale) Monmouthshire, Wales, UK. July.

Phil Savoie / Red tailed bumblebee (Bombus lapidarius) queen feeding on White clover (Trifolium repens) flowers, Monmouthshire, Wales, UK. July.

Phil Savoie / Red-tailed Bumblebee (Bombus lapidarius) feeding on Chive (Allium schoenoprasum), Monmouthshire, Wales, UK, June.

Phil Savoie / Red-tailed Bumblebee (Bombus lapidarius) queen looking for nesting site, Monmouthshire, Wales, UK, April.

Will Watson / Red-tailed Bumblebee (Bombus lapidarius) queen with phorectic mites, Herefordshire, England, UK, August.

Will Watson / Red-tailed Cuckoo Bumblebee (Bombus rupestris) pollinating Marjorum (Origanum sp.), Tenbury Wells, Worcestershire, England.

Will Watson / Red-tailed bumblebee queen (Bombus lapidarius) pollinating Bluebell (Hyacinthoides non-scripta),, Worcestershire, England.

Nick Upton / Red-tailed bumblebee (Bombus lapidarius) flying to a Birdsfoot trefoil flower (Lotus corniculatus), RSPB Dungeness Nature Reserve, Kent, UK, May.

Nick Upton / Red-tailed bumblebee (Bombus lapidarius) flies to Birdsfoot trefoil (Lotus corniculatus) in a perennial wildflower meadow planted around university Halls of Residence by Bristol University's Urban Pol...

Nick Upton / Female Narcissus bulb fly / Large narcissus fly (Merodon equestris ) a mimic of the Red-tailed bumblebee (Bombus lapidarius) nectaring on Sea thrift (Armeria maritima) on a cliff top, Cornwall, UK, Ma...

Steve Downer / Buff-tailed bumblebee (Bombus terrestris) and Red-tailed bumblebee (Bombus lapidarius) nectaring, Birmingham, England, UK, July.

SINCLAIR STAMMERS / Red tailed bumblebee (Bombus lapidarius) leaving Cornflower (Centaurea cyanea) and flying away over wildflower meadow. Ashworth Laboratories, University of Edinburgh, Scotland, UK, August.

Nick Upton / Slow motion view of a Red-tailed bumblebee (Bombus lapidarius) nectaring on a Greater knapweed flower (Centaurea scabiosa) before taking off, Wiltshire, England, UK, July.

David Woodfall / Scientist Ivan Wright, looking at Red tailed bumble bee (Bombus lapidartius) in test tube whilst carrying out research. Cowley, Oxford, UK September 2014.

David Woodfall / Scientist Ivan Wright, looking at Red tailed bumble bee (Bombus lapidartius) in test tube whilst carrying out research. Cowley, Oxford, UK September 2014.

SINCLAIR STAMMERS / Red-tailed bumblebee (Bombus lapidarius) nectaring on a Dandelion flower, Pembrokeshire, Wales, UK, May.

Mark Taylor / Mother and daughter observing Red tailed bumblebee (Bombus lapidarius) in flight amongst wild flowers at 'Bee World', Bishop's Meadow, Farnham. Surrey, England, UK, July 2014. Digital composite. Model...

Kim Taylor / Red-tailed bumblebee (Bombus lapidarius) taking off from Cornflower (Centaurea cyanea) in Bishop's Meadow, Farnham. Surrey, England, UK, July 2014. Digital composite. Bee Worlds is an initiative of Fr...

Kim Taylor / Red-tailed bumblebee (Bombus lapidarius) taking off from Cornflower (Centaurea cyanea) in 'Bee World'. Surrey, England, UK, July 2014. Bee Worlds is an initiative of Friends of the Earth.

Stephen Dalton / Red tailed bumblebee (Bombus lapidarius) on knapweed, Sussex, England, UK, August.

Nick Upton / Small copper butterfly (Lycaena phlaeas) landing to nectar on Wild marjoram flowers (Origanum vulgare), with Red-tailed bumblebees (Bombus lapidaries) foraging in the background, Wiltshire, England, U...

Nick Upton / Red-tailed bumblebee (Bombus lapidarius) and a Common drone fly (Eristalis tenax) nectaring from Wild marjoram (Origanum vulgare) flowers in a chalk grassland meadow, Wiltshire, England, UK, August.

Will Watson / Leaf cutter Bee (Megachile centuncularis) in flight, Buff-tailed bumblebee (Bombus terrestris), Red-tailed bumblebee (Bombus lapidarius) and Hoverfly (Syrphidae) on Artichoke flower, Wales, UK, August...

Rod Williams / Male Red-tailed bumblebee (Bombus lapidarius) feeding on thistle, Ladywell Fields, Lewisham, UK, August.