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...

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...

Alex Hyde / Green Dock Beetle (Gastrophysa viridula) female with huge abdomen swollen with eggs. Peak District National Park, Derbyshire, UK. May.

Rod Williams / Leaf insect {Phyllium giganteum} on leaf. Captive.

Morley Read / Giant grasshopper (Tropidacris cristata) taking off from a leaf in the Amazon rainforest, Santo Domingo Province, Western Ecuador. (non-ex)

Duncan Murrell / Giant forest ant (Camponotus gigas), Danum Valley Conservation Area, Sabah, Malaysian Borneo.

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,...

Steve Downer / Female Giant ichneumon (Rhyssa persuasoria) cleaning its back legs on an Oak (Quercus) leaf, UK, June.

Steve Downer / Female Giant ichneumon (Rhyssa persuasoria) cleaning its antennae on an Oak (Quercus) leaf, UK, June.

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...

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

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

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, visiting Giant harebell (Campanula latifolia) Pentwyn farm SSSI, Gwent Wildlife Trust, Reserve, Monmouths...

John Cancalosi / Giant leaf insect (Phyllium giganteum) captive, occurs in South east Asia.

John Cancalosi / Giant leaf insect (Phyllium giganteum) captive, occurs in South east Asia.

Alex Hyde / Dead leaf mantis (Deroplatys dessicata) camouflaged against leaves. Danum Valley, Sabah, Borneo.

Alex Hyde / Dead leaf mantis (Deroplatys dessicata) Danum Valley, Sabah, Borneo.

Alex Hyde / Dead leaf mantis (Deroplatys dessicata) Danum Valley, Sabah, Borneo.

Alex Hyde / Dead leaf mantis (Deroplatys dessicata) camouflaged on dead leaves, Danum Valley, Sabah, Borneo.

Ingo Arndt / Giant leaf insect {Phyllium giganteum}

Juan Carlos Munoz / Maclay's stick insect (Extatosoma tiaratum) camouflaged in dead leaves. Captive.

Juergen Freund / Spiny leaf insect (Extatosoma tiaratum) female, Queensland, Australia.

Juergen Freund / Spiny leaf insect (Extatosoma tiaratum), Queensland, Australia.

Juergen Freund / Spiny leaf insect (Extatosoma tiaratum) female, endemic to Australia, Queensland, Australia.

Alex Hyde / Giant grasshopper (Tropidacris cristata) subadult, Corcovado National Park, Osa Peninsula, Costa Rica

Adrian Davies / Dead-leaf mantis (Deroplatys dessicata) camouflaged on leaf, Sabah, Borneo.

Adrian Davies / Dead-leaf mantis (Deroplatys dessicata) camouflaged on leaf, Sabah, Borneo.

Adrian Davies / Dead-leaf mantis (Deroplatys dessicata) camouflaged on leaf, Sabah, Borneo.

Loic Poidevin / Giant owl butterfly (Caligo) resting on leaf, captive, occurs in South America.

MYN / Lily Kumpe / Giant prickly stick insect (Extatosoma tiaratum), Queensland, Australia. meetyourneighbours.net project

Pete Oxford / Giant stick insect (Phasmatodea) approximately 12 inches long. Mindo Cloud Forest, Western slopes, Andes, Ecuador.

John Abbott / Macleay's Spectre (Extatosoma tiaratum) captive at the University of Texas.

MYN / Andrew Snyder / Giant mesquite bug nymph (Thasus sp.) Iwokrama, Guyana. Meetyourneighbours.net project

MYN / Andrew Snyder / Giant mesquite bug nymph (Thasus sp.) Iwokrama, Guyana. Meetyourneighbours.net project

Jussi Murtosaari / Moth (Semblis atrata) on leaf, central Finland, May.

Rod Williams / Giant spiny Stick Insect (Eurycantha calcarata) leaf. Captive. Endemic to Papua New Guinea, UK, May.

Jouan & Rius / Giant leaf insect (Phyllium giganteum) camouflaged in rainforest, Borneo, Sarawak, Malaysia

Rod Williams / Giant Leaf Insect (Phyllium giganteum) captive from Malay Peninsula and Sarawak

Piotr Naskrecki / Giant Leaf Katydid (Celidophylla albimacula) common in lowland rainforests of Nicaragua and Costa Rica

Piotr Naskrecki / Giant Leaf Katydid (Celidophylla albimacula) common in lowland rainforests of Nicaragua and Costa Rica

Mark Moffett / Giant Madagascar Hissing Cockroach (Gromphadorhina portentosa) on ground among leaf litter, Berenty Reserve, Madagascar

Joel Sartore / Photo Ark / Group of Saturniid moth (Caerodirphia sp.) caterpillars on a leaf, Selvatura Park, Costa Rica. Captive.

Doug Wechsler / Hornless oakworm moth (Anisota finlaysoni) caterpillar feeding on leaf, Norfolk County, Ontario, Canada. October.

Claudio Contreras / Large orange sulphur butterfly (Phoebis agarithe) on leaf. Tamaulipas state, Mexico.

Robert Thompson / Regal moth (Citheronia regalis) resting on leaf with black background.

Edwin Giesbers / Giant emperor butterfly (Charaxes castor) resting on leaf. Captive.

Brian Bevan / Emperor moth (Saturnia pavonia) caterpillar feeding on bramble, Befordshire. September.

Brian Bevan / Emperor moth (Saturnia pavonia) caterpillar feeding on bramble, Befordshire, September.

Brian Bevan / Emperor moth (Saturnia pavonia) caterpillar feeding on bramble, Befordshire, September.

Brian Bevan / Emperor moth (Saturnia pavonia) caterpillar feeding on bramble, Befordshire. September.

Eric Baccega / Giant African mantis (Sphodromantis viridis) on a leaf, Conkouati-Douli National Park, Republic of Congo, Africa.

Doug Wechsler / Male Bullet ant (Paraponera clavata) on leaf, La Selva Biological Station, Costa Rica.

Bruce Thomson / Giant barred frog (Mixophyes iteratus) juvenile sitting in leaf litter with mosquito (Culicidae) on its head feeding on blood, endangered frog that inhabits rainforests in high rainfall areas of the E...

Bruce Thomson / Spiny leaf insect (Extatosoma tiaratrum) female camouflaged on leaf, large phasmid found in Eucalypt (Myrtaceae) trees, Toowoomba, Queensland, Australia.

Alex Hyde / 'Safety in Numbers' - Giant Shield bug nymphs (Pycanum sp.), recently hatched from eggs, with a final individual still to emerge. By staying in a tight group, the nymphs increase the effective...

Rolf Nussbaumer / Io moth (Automeris io) caterpillar feeding on leaf. Hill Country, Texas, USA.

Rolf Nussbaumer / Io moth (Automeris io) caterpillar feeding on leaf. Hill Country, Texas, USA.

Adrian Davies / Ormondei imperial moth (Eacles ormondei) camouflaged in leaf litter. Costa Rica.

Robert Thompson / Deyrolle's emperor moth (Pseudimbrasia deyrollei) caterpillar feeding on Oak (Quercus sp) leaf. , Northern Region, Ghana.

Robert Thompson / Deyrolle's emperor moth (Pseudimbrasia deyrollei) caterpillars, early instars feeding on leaf. Northern Region, Ghana.

Robert Thompson / Deyrolle's emperor moth (Pseudimbrasia deyrollei) caterpillars, early instars feeding on leaf. Northern Region, Ghana.

Robert Thompson / Deyrolle's emperor moth (Pseudimbrasia deyrollei) caterpillar feeding on leaf., Northern Region, Ghana.

Robert Thompson / Saturniid moth (Lobobunaea phaedusa) caterpillar, final instar with leaf like appearance. Ashanti Region Ghana, Africa. Cangas de Onis,

Robert Thompson / Saturniid moth (Lobobunaea phaedusa) caterpillars on Oak (Quercus sp) leaf, early instar larvae. Ashanti Region Ghana, Africa. Controlled conditions.

Robert Thompson / Saturniid moth (Lobobunaea phaedusa) caterpillar, final instar with leaf like appearance. Ashanti Region Ghana, Africa.Cangas de Onis,

Robert Thompson / Io moth (Automeris io) caterpillars on Oak (Quercus sp) leaf. Montreal, Quebec, Canada. June. Controlled conditions.

Juergen Freund / Spiny leaf insect (Extatosoma tiaratum) pair mating. Far North Queensland, Australia.

Juergen Freund / Spiny leaf insect (Extatosoma tiaratum) pair mating. Far North Queensland, Australia.

Juergen Freund / Spiny leaf insect (Extatosoma tiaratum) on hand. Far North Queensland, Australia.

Tui De Roy / Galapagos staghorn beetle (Stenodontes molarius), female on leaf. Puerto Ayora, Santa Cruz Island, Galapagos, Ecuador

Derek Galon / Giant stick insect (Acrophylla wuelfingi) in forest of Dominica, Eastern Caribbean. April 2019

Robert Pickett / Owl Butterfly (Caligo eurilochus) eggs on Banana leaf food plant, Iquitos, Peru