Clay Bolt / Wallace's giant bee (Megachile pluto) and nest on tree trunk. North Moluccas, Indonesia.T his is the only photo that is known to exist of this species (the world's largest bee) in the wild, in situ, a...

Nick Upton / Red mason bees (Osmia bicornis) entering and leaving nest hole drilled into a log within an insect hotel, Gloucestershire, England, UK, April.

Nick Upton / Leafcutter / Rose-cutter bee (Megachile willughbiella) lands at its nest in a Bamboo tube in an insect hotel near several nests she has completed and some Potter wasp (Ancistrocerus sp.) nests, Wiltsh...

Clay Bolt / Entomologist and bee expert Eli Wyman with the first rediscovered individual of Wallace's giant bee (Megachile pluto) Mollucas, Indonesia. January 2019. Model released.

Clay Bolt / Entomologist examining a large female Megachile bee during the hunt to rediscover Wallace's giant bee (Megachile pluto) on the island of Ternate, North Moluccas, Indonesia. January 2019

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...

Paul Bertner / Leafcutter Ant (Atta sp) group harvesting leaf, Yasuni National Park, Ecuador

Bence Mate / Leafcutter ants (Atta sp) colony harvesting a banana leaf, Costa Rica. 3rd place in the Insects and Spiders category of the Terre Sauvage Nature Images Awards competitions 2015.

Konrad Wothe / Leafcutter Ant (Atta cephalotes) pair carrying leaves, Panguana Nature Reserve, Peru

Ingo Arndt / Leafcutter Ant (Atta sp) carrying section of leaf to be used for cultivating nutritious fungi, Costa Rica

Piotr Naskrecki / Leafcutter Ant (Atta cephalotes) worker on leaf protecting larger workers carrying leaf from parasitoid flies, Costa Rica

Bence Mate / Leafcutter ants (Atta sp) colony harvesting a banana leaf, Costa Rica. OVERALL WINNER: Wildlife Photoghrapher of the Year 2010 from Eric Hosking Award portfolio image 2/6

Jouan & Rius / Leaf cutting ants (Atta cephalotes) cutting pieces of leaf, rainforest habitat, Costa Rica

Kim Taylor / Bachacs / Leaf-cutting ants {Atta cephalotes} carrying leaf sections back to nest. Trinidad, West Indies also ocurrs in South America

Kim Taylor / Leaf-cutting bee {Megachile sp) female bringing leaf section to nest amongst roots of cactus.

Kim Taylor / Leaf-cutting bee {Megachile sp) female carrying section of rose leaf UK.

Mark Moffett / Leafcutter Ant (Atta cephalotes) workers carrying leaves to nest, French Guiana

Mark Moffett / Leafcutter Ant (Atta cephalotes) workers carrying leaves to nest, French Guiana

Michael & Patricia Fogden / Leafcutter Ant (Atta sp) group workers carrying leaf segments, note minim riding on leaf as protection against parasitic flies, rainforest, Costa Rica

Mark Moffett / Leafcutter Ant (Atta cephalotes) workers carrying leaves to nest, French Guiana

Mark Moffett / Leafcutter Ant (Atta cephalotes) workers carrying leaves back to nest, Barro Colorado Island, Panama

PREMAPHOTOS / Leaf cutting ants returning to nest carrying pieces of leaf (Atta cephalotes) tropical rainforest, Costa Rica

PREMAPHOTOS / Leafcutter bee cutting piece off rose leaf (Megachile willughbiella) UK

PREMAPHOTOS / Leafcutter ants cutting pieces of leaf. (Atta cephalotes) tropical rainforest, Costa Rica

PREMAPHOTOS / Leafcutter ant cutting off a piece of leaf. (Atta cephalotes) Costa Rica

Mark Moffett / Leafcutter Ant (Atta cephalotes) worker carries leaf with its jaws full, workers carrying leaves must rely on a special cast of smaller ants riding on the leaves to defend against Phorid fly (Phoridae...

Konrad Wothe / Leafcutter Ant (Attini sp) carrying leaf piece back to nest with smaller ant riding on leaf, small ant defends larger worker from parasitic flies, Honduras

Mark Moffett / Leafcutter Ant (Acromyrmex octospinosus) worker cutting Papaya leaf, Honduras

Mark Moffett / Leafcutter Ant (Acromyrmex octospinosus) worker cutting Papaya leaf, Guadaloupe

Mark Moffett / Leafcutter Ant (Acromyrmex octospinosus) worker cutting papaya leaf, Guadeloupe, Caribbean

Mark Moffett / Leafcutter Ant (Atta cephalotes) workers carrying leaves to nest, French Guiana

Mark Moffett / Leafcutter Ant (Atta sp) group group carrying leaves back to nest, Barro Colorado Island, Panama

Mark Moffett / Leafcutter Ant (Atta sp) group carrying leaves back to nest, Barro Colorado Island, Panama

Phil Savoie / Red mason bee (Osmia bicornis) female bee bringing in pollen load under her abdomen for brood cell, Monmouthshire, Wales, UK, May.

Phil Savoie / Red mason bee (Osmia bicornis) male at bee hotel. Monmouthshire, Wales, UK. May.

Phil Savoie / Red mason bee (Osmia bicornis) female bee bringing in pollen load under her abdomen for brood cell Monmouthshire, Wales, UK, May..

Phil Savoie / Red mason bee (Osmia bicornis) female bee sealing off brood cells with mud Monmouthshire, Wales, UK. May.

Phil Savoie / Red mason bee (Osmia bicornis) female bee bringing in pollen load under her abdomen for brood cell Monmouthshire, Wales, UK. May.

Phil Savoie / Red mason bee (Osmia bicornis) female bee sealing off brood cells with mud Monmouthshire, Wales, UK. May.

Phil Savoie / Red mason bee (Osmia bicornis) female bee bringing in pollen load for brood cell Monmouthshire, Wales, UK, May.

Phil Savoie / Red mason bee (Osmia bicornis) female bee capping off nest brood cell with mud, Monmouthshire, Wales, UK. May.

Phil Savoie / Patchwork leafcutter bee (Megachile centuncularis) feeding from Common marigold (Calendula officinalis) Monmouthshire, Wales, UK. April

Phil Savoie / Patchwork leafcutter bee (Megachile centuncularis) gathering pollen on scopa (special hairs beneath abdomen) on Common marigold (Calendula officinalis),Monmouthshire, Wales, UK. July.

Phil Savoie / Red mason bee (Osmia bicornis) female bee being followed by male 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 / Red mason bee (Osmia bicornis) female bee bringing in pollen load under her abdomen for brood cell Monmouthshire, Wales, UK. May

Phil Savoie / Red mason bee (Osmia bicornis) female bee bringing in pollen load under her abdomen for brood cell, Monmouthshire, Wales, UK. May

Phil Savoie / Patchwork leafcutter bee (Megachile centuncularis) gathering pollen on scopa (special hairs beneath abdomen) on Common marigold (Calendula officinalis),Monmouthshire, Wales, UK. July.

Phil Savoie / Red mason bee (Osmia bicornis) female bee capping off nest brood cell with mud, Monmouthshire, Wales, UK. June

Phil Savoie / Patchwork leafcutter bee (Megachile centuncularis) gathering pollen on scopa (special hairs beneath abdomen) on Common marigold (Calendula officinalis),Monmouthshire, Wales, UK. July.

Phil Savoie / Red mason bee (Osmia bicornis) female bee being followed by male, Monmouthshire, Wales, UK. May

Phil Savoie / Red mason bee (Osmia bicornis) feeding on Chive (Allium schoenoprasum), Monmouthshire, Wales, UK. July

Phil Savoie / Patchwork leafcutter bee (Megachile centuncularis) gathering pollen on scopa (special hairs beneath abdomen) on Common marigold (Calendula officinalis),Monmouthshire, Wales, UK. July.

Phil Savoie / Red mason bee (Osmia bicornis) female bee bringing in pollen load under her abdomen for brood cell in bee hotel. Monmouthshire, Wales, UK. May.

Alan Williams / Leafcutter bee (Hoplitis claviventris) feeding on Ragwort (Senecio jacobaea) flower. Red Rocks Cheshire Wildlife Trust Nature Reserve, Hoylake, Wirral, England, UK. July.

Alan Williams / Blue mason bee (Osmia caerulescens) resting on brick wall in garden. Cheshire, England, UK. June.

Alan Williams / Red mason bee (Osmia bicornis) female sealing entrance to nest hole in bee nesting box. On wall of house, Cheshire, England, UK. May.

Alan Williams / Patchwork leaf-cutter bee (Megachile centuncularis) nectaring on Erigeron flower in garden. Cheshire, England, UK. June.

Heather Angel / Wool carder bee (Anthidium manicatum) male attempting to mate with pollen laden female on Rusty foxglove (Digitalis ferruginea). In garden, Surrey, England, UK. August.

Heather Angel / Dead head hoverfly (Myathropa florea) and Leaf cutter bee (Megachile centuncularis) female feeding on Californian tree poppy (Romneya coulteri) pollen. Bee transferring pollen from abdomen to stigma....

Heather Angel / Wool carder bee (Anthidium manicatum) female entering Rusty foxglove (Digitalis ferruginea) flower. Pollen transferring to head from stamens on upper lip of flower. Cultivated in garden, Surrey Englan...

Thomas Marent / Leafcutter Ant (Atta sp) carrying fruit, Tatama National Park, Colombia

Nick Upton / Leafcutter / Rose-cutter bee (Megachile willughbiella) emerging from its nest in a Bamboo tube in an insect hotel after provisioning it with pollen, Wiltshire, UK, July.

Nick Upton / Recently completed Leafcutter / Rose-cutter bee (Megachile willughbiella) and Potter wasp (Ancistrocerus sp.) nests in Bamboo tubes in an insect hotel, Wiltshire, UK, July.

Nick Upton / Rose leaf (Rosa sp.) with circle cut out by a Leafcutter / Rose-cutter bee (Megachile willughbiella) for its nearby nest, Wiltshire garden, UK, July.

Nick Upton / Leafcutter / Rose-cutter bee (Megachile willughbiella) emerging from its nest in a Bamboo tube in an insect hotel, Wiltshire, UK, July.

Nick Upton / Leafcutter / Rose-cutter bee (Megachile willughbiella) emerging from its nest in a Bamboo tube in an insect hotel after provisioning it with pollen, Wiltshire, UK, July.

Nick Upton / Leafcutter / Rose-cutter bee (Megachile willughbiella) carrying a circular section of a Rose leaf it has just cut to its nest in a Bamboo tube in an insect hotel, Wiltshire, UK, July.

Nick Upton / Leafcutter / Rose-cutter bee (Megachile willughbiella) lands at its nest in a Bamboo tube in an insect hotel to provision it with pollen carried on the long hairs under its abdomen, Wiltshire, UK, Jul...

Andy Sands / Resin Bee (Heriades truncorum) sealing the end of a nesting tube in a garden Bee hotel with resin, Hertfordshire, England, UK, June

Andy Sands / Resin bee (Heriades truncorum) this small Bee uses resin to seal her nest cells until recently a rare species of lowland heath they can now be found nesting in garden bee hotels across southern Englan...

Andy Sands / Resin Bee (Heriades truncorum) In flight approaching garden bee hotel the distinctive yellow pollen brush is clearly visible, Hertfordshire, England, UK, June

Andy Sands / Small scissor bee (Chelostoma campanularum) In flight approaching garden bee hotel carrying mud to seal nest tube, Hertfordshire, England, UK, June

Clay Bolt / Entomologist Simon Robson with large Megachile species of bee during the hunt to rediscover Wallace's giant bee (Megachile pluto). Mollucas, Indonesia. January 2019

Clay Bolt / Man examining an arboreal termite mound containing the first rediscovered Wallace's giant bee (Megachile pluto) and her nest, Mollucas, Indonesia. January 2019

Clay Bolt / Lowland forest habitat of Wallace's giant bee (Megachile pluto) North Moluccas, Indonesia. January 2019

Clay Bolt / Scientists observing a termite mound after a large flying insect was found nearby in a healthy patch of lowland forest, North Moluccas, Indonesia. January 2019

Clay Bolt / Entomologist and bee expert observing an arboreal termite mound. The termite mound has an interesting hole resembling an entrance for Wallace's giant bee (Megachile pluto) Mollucas, Indonesia. January...

Clay Bolt / Wallace's giant bee (Megachile pluto) rediscovery team exploring a lowland forest habitat in the North Moluccas, Indonesia. January 2019

Clay Bolt / Natural history photographer Clay Bolt and writer Glen Chilton examine a termite mound while searching for Wallace's giant bee (Megachile pluto) Mollucas, Indonesia. January 2019

Clay Bolt / Wallace's giant bee (Megachile pluto) is the world's largest bee, which is approximately 4 times larger than a European honey bee. One of the first images of a living member of this species. Mollucas,...

Piotr Naskrecki / Leafcutter Ant (Atta cephalotes) group carrying leaves, Carara National Park, Costa Rica

Rod Williams / Red mason bee (Osmia bicolor) male feeding on Green alkanet (Pentaglottis sempervirens) Beverley Court Gardens, Lewisham, London, England, UK. April.

Rod Williams / Blue mason bee (Osmia caerulescens) at the entrance to its nest-hole, Brockley Cemetery, Lewishaam, London, England, UK. May.

Fabrice Cahez / Two colour mason bee (Osmia bicolor) Vosges, France, March.

Doug Wechsler / Megachilid bee (Megachilidae) on butterflyweed (Asclepias tuberosa) French Creek State Park, Philadelphia, Pennsylavania, USA

Phil Savoie / Harebell carpenter bee (Chelostoma campanularum) at 4-5mm long one of Britain's smallest bees, visiting Giant harebell (Campanula latifolia) Pentwyn farm SSSI, Gwent Wildlife Trust, Reserve, Monmouths...

Phil Savoie / Harebell carpenter bee (Chelostoma campanularum) at 4-5mm long one of Britain's smallest bees, males patrolling near Giant harebell (Campanula latifolia) looking for females, Pentwyn farm SSSI, Gwent...

Phil Savoie / Harebell carpenter bee (Chelostoma campanularum) at 4-5mm long one of Britain's smallest bees, visiting Giant harebell (Campanula latifolia) Pentwyn farm SSSI, Gwent Wildlife Trust, Reserve, Monmouths...

Phil Savoie / Harebell carpenter bee (Chelostoma campanularum) at 4-5mm long one of Britain's smallest bees, visiting Giant harebell (Campanula latifolia) Pentwyn farm SSSI, Gwent Wildlife Trust, Reserve, Monmouths...

Phil Savoie / Harebell carpenter bee (Chelostoma campanularum) at 4-5mm long one of Britain's smallest bees, resting on Giant harebell (Campanula latifolia) petal, Pentwyn farm SSSI, Gwent Wildlife Trust, Reserve,...

Phil Savoie / Harebell carpenter bee (Chelostoma campanularum) at 4-5mm long one of Britain's smallest bees, at Giant harebell (Campanula latifolia) collecting pollen, Pentwyn farm SSSI, Gwent Wildlife Trust, Reser...

Phil Savoie / Harebell carpenter bee (Chelostoma campanularum) at 4-5mm long one of Britain's smallest bees, in Giant harebell (Campanula latifolia) flower collecting pollen, Pentwyn farm SSSI, Gwent Wildlife Trus...

Phil Savoie / Harebell carpenter bee (Chelostoma campanularum) at 4-5mm long one of Britain's smallest bees, female visiting Giant harebell (Campanula latifolia) to collect pollen, Pentwyn farm SSSI, Gwent Wildlife...

Phil Savoie / Harebell carpenter bee (Chelostoma campanularum) at 4-5mm long one of Britain's smallest bees, visiting Giant harebell (Campanula latifolia) Pentwyn farm SSSI, Gwent Wildlife Trust, Reserve, Monmouths...

Phil Savoie / Harebell carpenter bee (Chelostoma campanularum) at 4-5mm long one of Britain's smallest bees, female visiting Giant harebell (Campanula latifolia) to collect pollen, with male landing, Pentwyn farm S...