Michael Hutchinson / Female Goldenrod spider (Misumena vatia) on Annual honesty (Lunaria annua) flower, trying to catch a hoverfly, Bristol, England, UK, April.

Michael Hutchinson / Wide angle shot of a female Goldenrod spider (Misumena vatia) on Annual honesty (Lunaria annua) flower, with flies flying nearby, Bristol, England, UK, April.

Michael Hutchinson / Close-up of a female Goldenrod spider (Misumena vatia) on Annual honesty (Lunaria annua) flower, feeding on hoverfly prey, Bristol, England, UK, April.

Michael Hutchinson / Close-up of a female Goldenrod spider (Misumena vatia) catching a hoverfly, on Annual honesty (Lunaria annua), Bristol, England, UK, April.

Nick Upton / Juvenile Goldenrod spider (Misumena vatia) camouflaged on a Common hogweed (Heracleum sphondylium) flowerhead, reacting to and catching a fly (Muscidae), Wiltshire, England, UK, June.

Floris van Breugel / Alkali fly (Ephydra hians) underwater in protective air bubble, Mono Lake, California, USA.

James Dunbar / Close up of a Cryptic mantis (Sibylla pretiosia) catching and eating a fruit fly, UK. Captive.

James Dunbar / Close up of a Cryptic mantis (Sibylla pretiosia) catching and eating a fruit fly, UK. Captive.

Pal Hermansen / Hoverfly in flight, backlight, Norway, September.

Jeff Vanuga / Ephydrid flies (Ephydra sp) that eat microscopic algae and survives during the winter in thermal pools. Biscut Basin, Yellowstone National Park, Wyoming, USA, January.

Steve Downer / Fruit fly (Drosophila melanogaster) close-up of eye.

MYN / Gil Wizen / Human botfly (Dermatobia hominis), adult and larva. Cayo District, Belize. Composite image. Meetyourneighbours.net project

Nick Upton / Close up of a male Yellow dung fly (Scathophaga stercoraria) climbing up to the top of some sheep dung, Wiltshire, England, UK, March. Slow motion clip.

Ammonite / Male Yellow dung flies (Scathophaga stercoraria) fighting over a female on a cowpat, UK.

Ammonite / Male Yellow dung flies (Scathophaga stercoraria) fighting over a female on a cowpat, UK.

Mark Bowler,Mark Bowler / Dead Houseflies {Musca domesticus} and Bluebottle flies {Calliphora vomitaria}, UK

Stephen Dalton / Housefly (Musca domestica) taking off from brown bread. Early high speed image, scanned from a black and white negative. Small reproduction only.

Stephen Dalton / Housefly (Musca domestica) taking off, showing the 'freezing' power of conventional flash (about 1/1000sec). Taken in 1973 on B&W negative film. Suitable for small reproduction only.

Stephen Dalton

Neil Aldridge / Camera moving around a Common spotted orchid (Dactylorhiza fuchsii) while it is visited by a hoverfly (Syrphidae sp.) in woodland, North Somerset, United Kingdom, June.

Georgette Douwma / Greenbottle (Lucilia caesar) flies on a chicken bone. UK.

Georgette Douwma / Greenbottle (Lucilia caesar) flies on a chicken bone. UK.

David Perpinan / Hoverfly (Syrphidae sp.) nectaring from a white-leaved rock rose (Cistus albidus), Barcelona, Spain, April.

John Waters / Slow motion clip of a Hoverfly (Eristalis sp.) flying before moving out of frame, Bristol, UK, April.

John Waters / Slow motion clip of a Hoverfly (Eristalis sp.) flying before moving out of frame, Bristol, UK, April.

Chris Mattison / Stable fly, (Coenosia tigrina) Catbrook, Monmouthshire, Wales, UK., July.

Ripan Biswas / A shoot fly (Atherigona sp) feeding on inside of a broken snail shell, Buxa tiger reserve, India.

John Waters / Drone Fly (Eristalis tenax) visiting Pear (Pyrus) blossom in garden, Bristol, UK, March.

John Waters / Marsh Marigold (Caltha palustris) with Drone fly (Eristalis tenax) active in background, Bristol, UK, March.

John Waters / Drone fly (Eristalis tenax) on flower of Marsh Marigold (Caltha palustris), Bristol, UK, March.

John Waters / Drone fly (Eristalis tenax) on flower of Marsh Marigold (Caltha palustris), Bristol, UK, March.

Jussi Murtosaari / Lesser whitethroat (Sylvia curruca) feeding on Hoverfly (Syrphidae), perched on branch. Pargas, Aboland, Finland. May.

Rod Williams / Hoverfly (Sphaerophoria scripta) pair mating. Sutcliffe Park Nature Reserve, Eltham, London, England, UK. July.

Rod Williams / Spectacled berry fly (Anomoia purmunda) on Reed blade. Sutcliffe Park Nature Reserve, Eltham, London, England, UK. August.

Rod Williams / Hoverfly (Sphaerophoria scripta) pair mating. Sutcliffe Park Nature Reserve, Eltham, London, England, UK. July.

Nigel Cattlin / Hoverfly (Scaeva pyrastri) adult predator on a leaf, Devon, July

Andy Sands / Fly (Anthomyia procellaris) male resting on fence, Hertfordshire, England, UK, May - Focus Stacked

Andy Sands / Tachnid fly (Eriothrix rufomaculata) a common Tachnid fly found in damp meadows photographed at dawn covered in dew, Hertfordshire, England, UK, July - Focus Stacked

Andy Sands / Speckled semaphor fly / Dancing Kiss fly (Platystoma seminationis) an unusual fly that more ofter jumps and runs than flies often associated with rotting vegatation, Hertfordshire, England, UK, May -...

Andy Sands / Hoverfly (Sphearophoria scripta) resting on Lavender bud in garden, Hertfordshire, England, UK, June - Focus Stacked

Andy Sands / Yellow dung flies (Scathophaga stercoraria) mating pair on cow dung, Hertfordshire, England, UK, April - Focus Stacked

Andy Sands / Fly (Coenosia tigrina) predatory fly that feeds on other flies seen here feeding on a hoverfly, Hertfordshire, England, UK, May - Focus Stacked

Andy Sands / Parasitic fly (Cacoxenus indagator) a small fly that is a cleptoparasite of red mason bees, Hertfordshire, England, UK, April - Focus Stacked

James Dunbar / Slow motion clip of a Marmalade hoverfly (Episyrphus balteatus) hovering in flight, UK, April.

James Dunbar / Hoverfly (Epistrophe grossulariae) feeding and grooming, UK, April.

James Dunbar / Hoverfly (Epistrophe grossulariae) attempting to lay eggs amongst aphids. Ovipositor visible, April, UK

James Dunbar / Slow motion clip of a Hoverfly (Episyrphus balteatus) in flight, April, UK

James Dunbar / Hoverfly (Epistrophe grossulariae) taking off from flower and landing again, April, UK