Carlos Zorrilla / Male Orchid bee (Euglossini sp.) on an orchid (Lycomormium ecuadorense) flower trying to remove pollinia attached to its back, Ecuador, April.
Nick Upton / Common carder bumblebee (Bombus pascuorum) nectaring on a Dandelion (Taraxacum officinale) flowerhead among many Common daisies (Bellis perennis) on a lawn left unmown to allow wild flowers to bloom t...
John Chan / Monarch butterfly (Danaus plexippus) taking flight from a Pride of madeira (Echium candicans) after contact with a Honey bee (Apis mellifera), Southern California, USA, April.
Ingo Arndt / Close up of Honey bees (Apis mellifera) forming 'chains' and a 'ball' at the top of their tree hole nest as they establish a colony, Germany.
Ingo Arndt / Honey bees (Apis mellifera), drinking water on hot summer day, Germany.
John Waters / Honey bee (Apis mellifera) approaching hive entrance, with trails of departing bees visible. Urban garden, Bristol, UK, May.
John Waters / Honey bee (Apis mellifera) flying close to hive entrance, with flight trails visible. Urban garden, Bristol, UK, May.
Simon Littlejohn / Honey bee (Apis) nectaring from a flowering Eucalyptus tree, Andalusia, Spain, June.
Nick Upton / Common carder bumblebee (Bombus pascuorum) nectaring on a Yellow archangel (Lamiastrum galeobdolon) flower in a garden, Wiltshire, UK, April
Nick Upton / Buff-tailed bumblebee (Bombus terrestris) queen about to land at her nest burrow in a garden lawn with loaded pollen sacs to provision grubs that will become future workers for her colony, Wiltshire,...
Nick Upton / Honey bee (Apis mellifera) nectaring on a Crab apple (Malus sylvestnis) flower in a garden, Wiltshire, UK, April.
Clay Bolt / Blue-banded bee (Amegilla sp) males sleeping on stem. Halmahera, North Maluku, Indonesia.
Heather Angel / Honey bee (Apis mellifera) forages on pollen in Apple (Malus domestica) flower, collecting pollen in pollen basket. In garden, Surrey, England, UK. May.
Phil Savoie / Painted nomad bee (Nomada fucata) male bee with characteristic green eyes, sleeping with jaws locked around grass stem, Monmouthshire, Wales, UK. June
Clay Bolt / Composite image of Wallace's giant bee (Megachile pluto) with European honey bee (Apis melifera). This is the world's largest bee, which is approximately 4 times larger than a European honey bee. One...
Kerstin Hinze / Honeybee (Apis melifera) flying around and nectaring from Butterbur (Petasites hybridus) flowers, Bavarian Forest National Park, Germany, April.
Sven Zacek / Honey bee (Apis mellifera), two frozen on pond ice after flying out too early. Valgamaa, Southern Estonia. March.
John Chan / Honey bees (Apis mellifera) swarming on a fence, Southern California, USA, December.
John Chan / Honey bees (Apis mellifera) gathering at the entrance of their nest in a hollow log, with some returning workers carrying pollen baskets, Bolsa Chica Ecological Reserve, California, USA, October.
John Chan / Honey bees (Apis mellifera) gathering at the entrance to their nest in a hollowed log, Bolsa Chica Ecological Reserve, California, USA, September.
John Chan / Honey bee (Apis mellifera) gathering pollen from a Sea fig (Carpobrotus chilensis), Southern California, USA, April.
John Chan / Honey bees (Apis mellifera) swarming on an old gas tank and establishing a new nest site within, with some individuals beating their wings to create air circulation, Southern California, USA, February...
Konrad Wothe / Slow motion clip of a Buff tailed bumblebee (Bombus terrestris) landing in a Common poppy (Papaver rhoeas) flower, Germany, June.
Michael Hutchinson / Slow motion clip of a Common carder bumblebee (Bombus pascuorum) feeding from a Viper's bugloss (Echium vulgare) flower, Bristol, England, UK, September.
Phil Savoie / Red tailed bumblebee (Bombus lapidarius), visiting Clover (Trifolium) flower, Monmouthshire, Wales, UK. June.
Solvin Zankl / Honeybee (Apis mellifera) trophallaxis - transfer of nectar from one bee to another, Kiel, Germany.