Jussi Murtosaari / Two Broad-bordered bee hawkmoths (Hemaris fuciformis) nectaring on wildflower, Finland. July.

Jussi Murtosaari / Common glow-worm (Lampyris noctiluca) female, resting on leaf, glowing, Finland. July.

Jussi Murtosaari / Lesser purple emperor butterfly (Apatura ilia) male, in flight, Finland. July.

Jussi Murtosaari / Peacock butterfly (Aglais io) in flight over wildflowers, Finland. May.

Pal Hermansen / Brimstone butterfly (Gonepteryx rhamni) in flight in bright sunshine, Follo, Akershus, Norway. July.

Pal Hermansen / Satyr pug moth (Eupithecia satyrata) flying off from flowerhead in meadow, Lofoten, Norway. June. Multiple-exposure.

Pal Hermansen / Yelllow dung fly (Scathophaga stercoraria) pair, mating on sheep dung, Lofoten, Norway. June.

Ross Hoddinott / Group of Four-spotted chaser dragonflies (Libellula quadrimaculata) roosting on plant stem, backlit in the early morning light, Ham Wall RSPB Nature Reserve, Somerset Levels, UK. June.

Sven Zacek / Common blue damselflies (Enallagma cyathigerum) pair, in flight over bog pool, Nigula Nature Protection Area, Parnumaa county, Estonia.

Tui De Roy / Monarch butterflies (Danaus plexippus) resting on trees in wintering grounds in the mountains of central Mexico, El Rosario Butterfly Sanctuary, Michoacan, Mexico.

Tui De Roy / Monarch butterflies (Danaus plexippus) covering Fir trees on wintering grounds in the mountains of central Mexico, El Rosario Butterfly Sanctuary, Michoacan, Mexico.

Guy Edwardes / Southern festoon butterflies (Zerynthia polyxena), newly emerged adults resting on their foodplant, Birthwort (Aristolochia clematitis), near Bratsigovo, Bulgaria, May.

Guy Edwardes / European pond turtle/terrapin (Emys orbicularis) swimming in pond with head above water and a fly resting on its snout, near Bratsigovo, Bulgaria, May

Guy Edwardes / Apollo butterflies (Parnassius apollo) roosting, Rhodope Mountains, Bulgaria, June.

Guy Edwardes / Black-veined white butterflies (Aporia crataegi) roosting on Burnt orchid (Orchis ustulata), Rhodope Mountains, Bulgaria, June.

Guy Edwardes / Silver-studded blue (Plebejus argus), backlit at sunset, Rhodope Mountains, Bulgaria, June

Guy Edwardes / Spoonwing lacewing (Nemoptera sinuata), warming itself at sunrise, Rhodope Mountains, Bulgaria, June

Guy Edwardes / Spotted fritillary (Melitaea didyma) larva/caterpillar, near Bratsigovo, Bulgaria June

Joel Sartore / Photo Ark / Okapi (Okapia johnstoni) juvenile male, two months old, flicking a fly off its face with its tongue. Leucistic individual, named 'Mzimu' (meaning ghost in Swahili), Al Bustan Zoological Centre, Sharja...

Joel Sartore / Photo Ark / Giant vietnamese centipede (Scolopendra dehaani) cleaning antennae with mandibles, Verve Biotech, Waverly, Nebraska. Captive.

Joel Sartore / Photo Ark / Bigclaw crayfish (Faxonius placidus) female oxygenating eggs by fanning them, upper Duck River, Coffee County, Tennessee, USA. Controlled conditions.

Joel Sartore / Photo Ark / Spanish dancer nudibranch (Hexabranchus sanguineus) with an Emperor shrimp (Zenopontonia rex) moving on top of it, Farglory Ocean Park, Hualien. Captive.

Paul Harcourt Davies / Green huntsman spider (Micrommata virescens) resting on a leaf, Podere Montecucco, Orvieto, Italy. June.

Paul Harcourt Davies / Weaver beetle (Lamia textor) portrait, Podere Montecucco, Orvieto, Umbria, Italy. June.

Paul Harcourt Davies / Silver washed fritillary (Argynnis paphia) female, resting on kitchen curtains feeding from whatever has been deposited from the air, Podere Montecucco, Orvieto, Umbria, Italy. June.

Paul Harcourt Davies / Owl fly (Libelloides coccajus) resting on meadow grass, nr Torre Alfina, Orvieto, Italy. May.

Paul Harcourt Davies / Group of Lackey moth caterpillars (Malacosoma neustria) gathered on a rock, Gargano, Puglia, Italy. April.

Paul Harcourt Davies / Elephant hawkmoth (Deilephila elpenor) recently emerged, resting on a leaf, Vieste, Gargano, Puglia, Italy. April.

Paul Harcourt Davies / Southern festoon butterfly (Zerynthia polyxena cassandra) freshly emerged resting on leaf and drying its wings, Podere Montecucco, Gargano, Puglia, Italy. April.

Paul Harcourt Davies / Banded tiger moth (Eucharia festiva) resting on the ground, nr Monte Saint Angelo, Gargano, Italy. April.

Paul Harcourt Davies / Mullein moth (Cucullia verbasci) caterpillar, crawling on plant stem, nr Lago di Varano, Gargano, Puglia, Italy. April.

Paul Harcourt Davies / Common blue butterflies (Polyommatus icarus) pair mating on flower, male on the right, Umbria, Italy. May.

Radomir Jakubowski / Marbled white butterfly (Melanargia galathea) resting on Sainfoin (Onobrychis viciifolia). Saarland, Germany, June.

Radomir Jakubowski / Crab spider (Thomisidae) on seed head of Pasque flower (Pulsatilla vulgaris) Saarland, Germany, May.

Nick Upton / Spiny mason wasp (Odynerus spinipes) adult female flying to the ornate mud chimney protecting her nest burrow entrance with a Weevil grub (Hypera sp.) she has paralysed to act as food for her larvae,...

Nigel Cattlin / Parasitoid wasp (Eretmocerus eremicus) emerging from parasitized Glasshouse whitefly (Trialeurodes vaporarium) scale, a biological pest control, England, UK.

Nigel Cattlin / Encyrtid wasp (Leptomastix dactylopii) adult parasitoid wasp, a parasite of Mealybug pests, used in biological control for protected crops, England, UK.

Paul Harcourt Davies / Black-veined white butterfly (Aporia crataegi) caterpillars, resting on communal larval web, Campo Imperatore, Gran Sasso, Abruzzo, Italy. May.

Paul Harcourt Davies / Plain tiger butterfly (Danaus chrysippus) resting on grass stem at dawn, near Lago di Lesina, Gargano, Puglia, Italy. September.

Paul Harcourt Davies / Plain tiger butterfly (Danaus chrysippus) resting on seedhead at dusk, Lago di Lesina, Gargano, Puglia, Italy. September.

Paul Harcourt Davies / Blue-tailed damselfly (Ischnura elegans f. infusca-obselet) female, resting on a leaf, Gargano, Puglia, Italy. September.

Paul Harcourt Davies / Robber fly (Engelepogon brunnipes) resting on leaf with insect prey, Podere Montecucco, Orvieto, Umbria, Italy. August.

Paul Harcourt Davies / European dwarf mantis (Ameles spallanzania) resting on dried plant stem, nr Allerona, Umbria, Italy. July.

Paul Harcourt Davies / Black-veined white butterfly (Aporia crataegi) nectaring on Hairy vetch (Vicia villosa) flower, Campo Imperatore, Gran Sasso, Abruzzo, Italy. May.

Paul Harcourt Davies / Forester moths (Adscita statices) pair mating, Sibillini, Umbria, Italy. May.

Paul Harcourt Davies / Five Forester moths (Adscita statices) resting on grass stems, with pair mating, Sibillini, Umbria, Italy. May.

Paul Harcourt Davies / Eastern serapias (Serapias orientalis) in flower, with a Bee resting in the petals, Peloponnese, Greece. March.

Nigel Cattlin / The exit hole of a Parasitoid wasp (Metaphycus helvolus) in the shell of its Soft scale insect host (Saissetia coffeae), England, UK. February.

Nigel Cattlin / Parasitoid wasp (Tetrastichus coeruleus) resting on plant stem, a parasite of Asparagus beetle eggs used in biological pest control, England, UK. June.

Nigel Cattlin / Parasitoid wasp (Tetrastichus coeruleus) resting on plant stem, a parasite of Asparagus beetle eggs used in biological pest control, England, UK. June.

Nigel Cattlin / Parasitoid wasp (Tetrastichus coeruleus) resting on plant stem, a parasite of Asparagus beetle eggs used in biological pest control, England, UK. June.

Nigel Cattlin / Parasitoid wasp (Aphidius ervi) female, laying eggs through extended ovipositor in Mottled arum aphid (Aulacorthum circumflexum) host pest, England, UK.

Nigel Cattlin / Mummified Pea aphids (Acyrthosiphon pisum) host to Parasitoid wasp (Aphidius ervi), used for biological pest control, England, UK.

Nigel Cattlin / Mummified Pea aphid (Acyrthosiphon pisum) parasitised by a Parasitoid wasp (Aphidius ervi) next to a healthy adult aphid on leaf, England, UK.

Nigel Cattlin / Parasitoid wasp (Eretmocerus eremicus) among Glasshouse whitefly (Trialeurodes vaporariorum) scales, used as biological pest control, England, UK.

Nigel Cattlin / Glasshouse whitefly scales (Trialeurodes vaporariorum) and pupae parasitised by Parasitoid wasp (Eretmocerus eremicus), a biological pest control, England, UK.

Nigel Cattlin / Parasitoid wasp (Eretmocerus eremicus) among parasitised Glasshouse whitefly scales (Trialeurodes vaporariorum) and pupae, a biological pest control, England, UK.

Nigel Cattlin / Parasitoid wasp (Eretmocerus mundus) among its pest host Cotton whitefly (Bemisia tabaci) scales, on a leaf, England, UK.

Nigel Cattlin / Parasitoid wasp (Diglyphus isaea) pupa, in a leaf mine after it has parasitised a Leafminer larva, used as biological pest control, England, UK.

Nigel Cattlin / Parasitoid wasp (Diglyphus isaea) female, ovipositing in a Leafminer larva, adult wasps used for biological pest control, England, UK.

Nigel Cattlin / Parasitoid wasp (Diglyphus isaea) female, ovipositing in a Leafminer larva, adult wasps used for biological pest control, England, UK.

Nigel Cattlin / Two Parasitoid wasps (Diglyphus isaea) with a Leafminer larva in a leaf gallery, adult wasps used for biological pest control, England, UK.

Nigel Cattlin / Two Parasitoid wasps (Diglyphus isaea) with a Leafminer larva in a leaf gallery, adult wasps used for biological pest control, England, UK.

Nigel Cattlin / Parasitoid wasp (Praon myzophagum) female, with ovipositor extended, laying eggs in Aphid (Aphidoidea) pest. Biological control in protected crops, England, UK.

Nigel Cattlin / Parasitoid wasp (Praon myzophagum) on leaf next to Aphid (Aphidoidea) host, wasp parasite used in biological control in protected crops, England, UK.

Nigel Cattlin / Parasitoid wasp (Aphidius ervi) female, laying eggs with extended ovipositor in aphid host pest, England, UK.

Nigel Cattlin / Parasitoid wasp (Aphidius ervi) female, laying eggs with extended ovipositor in Black bean aphid (Aphis fabae) host pest, England, UK.

Nigel Cattlin / Parasitoid wasp (Eretmocerus californicus), parasite of Whitefly, used in biological control of these pests in protected crops, England, UK.

Nigel Cattlin / Encyrtid wasp (Leptomastix dactylopii) adult parasitoid wasp, a parasite of Mealybug pests, used in biological control for protected crops, England, UK.

Nigel Cattlin / Encyrtid wasp (Leptomastix dactylopii) adult parasitoid wasp, a parasite of Mealybug pests used in biological control for protected crops, England, UK.

Nigel Cattlin / Parasitoid wasp (Aphidius colemani) female, laying eggs through extended ovipositor in Peach potato aphid (Myzus persicae) pest host, England, UK.

Nigel Cattlin / Parasitoid wasp (Aphidius colemani) female, laying eggs through extended ovipositor in Peach potato aphid (Myzus persicae) pest host, England, UK.

Nigel Cattlin / Parasitoid wasp (Trichogramma sp.) a minute wasp used to control Angoumois grain moth (Sitotroga cerealella) by parasitising its eggs, England, UK.

Nigel Cattlin / Parasitoid wasp (Trichogramma sp.) a minute wasp used to control Angoumois grain moth (Sitotroga cerealella) by parasitising its eggs, England, UK.

Nigel Cattlin / Parasitoid wasp (Trichogramma sp.) a minute wasp used to control Angoumois grain moth (Sitotroga cerealella) by parasitising its eggs, England, UK.

Nigel Cattlin / Potato aphids (Macrosiphum euphorbiae) one (black), parasitised by parasitoid wasp (Aphelinus abdominalis) alongside two healthy aphids, England, UK.

Nigel Cattlin / Parasitoid wasp (Aphelinus abdominalis) with healthy and parasitised (black) Potato aphids (Macrosiphum euphorbiae), England, UK.

Nigel Cattlin / Parasitoid wasp (Aphelinus abdominalis) female, ovipositing in immature Potato aphid (Macrosiphum euphorbiae), England, UK.

Nigel Cattlin / Parasitoid wasp (Aphelinus abdominalis) female, ovipositing in immature Potato aphid (Macrosiphum euphorbiae), England, UK.

Nigel Cattlin / Two Parasitic wasps (Dacnusa sibirica) female, on a leaf, used for commercial pest control of Leafminers in protected crops, England, UK.

Nigel Cattlin / Parasitic wasp (Dacnusa sibirica) female ovipositing in a Leafminer larva in a leaf gallery, England, UK.

Nigel Cattlin / Glasshouse whitefly (Trialeurodes vaporariorum) larvae, black larvae have been parasitised by Parasitoid wasp (Encarsia formosa), used as biological pest control in protected crops. England, UK.

Nigel Cattlin / Parasitoid wasp (Aphidius sp.) female, ovipositing in a Peach potato aphid (Myzus persicae), used for biological control in crops, England, UK.

Nigel Cattlin / Parasitoid wasp (Aphidius spp.) female, about to lay eggs in Peach potato aphid (Myzus persicae) with ovipositor pointing forward, England, UK.

Nigel Cattlin / Cotton aphids (Aphis gossypii) with several parasitised and mummified by Parasitoid wasp (Aphidius spp.) and some with exit holes of adult wasps, England, UK.

Nigel Cattlin / Glasshouse whitefly (Trialeurodes vaporariorum) black larvae have been parasitised by Parasitoid wasp (Encarsia formosa), used as biological pest control in protected crops. England, UK.

Nigel Cattlin / Cotton aphids (Aphis gossypii) on a leaf, with several parasitised and mummified by Parasitoid wasp (Aphidius spp.) and some with exit holes of adult wasps, England, UK.

Nigel Cattlin / Three Fairyfly parasitoid wasps (Anagrus atomus) ovipositing in the eggs of Tomato leafhopper (Hauptidia maroccana), England, UK.

Nigel Cattlin / Mealy cabbage aphids (Brevicoryne brassicae) one mummified by Parasitoid wasp (Diaeretiella rapae) with exit hole trap door, England, UK.

Nigel Cattlin / Eggs of Tomato leafhopper (Hauptidia maroccana) parasitized by a Fairyfly parasitoid wasp (Anagrus atomus), England, UK.

Nigel Cattlin / Parasitoid wasp (Diaeretiella rapae) female, ovipositig in a Mealy cabbage aphid (Brevicoryne brassicae), a pest of brassica crops, England, UK.

Nigel Cattlin / Ichneumonid wasp (Diadegma semiclausum) parasitoid of Diamond back moth (Plutella xyllostella) caterpillars, England, UK.

Nigel Cattlin / Parasitoid wasp (Cotesia glomerata) pupa cocoons from larvae emerging from a parasitised White butterfly caterpillar (Pieris sp.), England, UK.

Nigel Cattlin / Parasitoid wasp (Metaphycus helvolus) a parasite of scale insects and used in biological pest control, England, UK.

Nigel Cattlin / Parasitoid wasp (Cotesia glomerata) larvae emerging from a parasitised Cabbage white butterfly (Pieris rapae) caterpillar to pupate, England, UK.

Nigel Cattlin / Parasitoid wasp (Cotesia glomerata) larvae emerging from a parasitised Cabbage white butterfly (Pieris rapae) caterpillar to pupate, England, UK.