Cyril Ruoso / Green blowfly (Lucilia sericata) on Prunus (Prunus sp) blossom. Bourgogne-Franche-Comte, France. April.

Jiri Lochman / Green blowfly (Lucilia sericata) male, Western Australia.

Rod Williams / Greenbottle (Lucilia sp) Brockley Cemetery, Lewisham, London, England, UK. July.

MYN / Lily Kumpe / Green blowfly (Lucilia sericata) Queensland, Australia. Meetyourneighbours.net project.

Rod Williams / Greenbottles (Lucilia sp) mating pair, Ladywell Fields, Lewisham, South East London, England, UK, July.

Alex Hyde / Greenbottle (Lucilia caesar) feeding on Hemp agrimony (Eupatorium cannabinum) Strumpshaw Fen, Norfolk, UK, September.

Nick Upton / Hoverfly (Eristalis nemorum) and Greenbottle (Lucilia) nectaring on Wild marjoram (Origanum vulgare) flowers in a chalk grassland meadow, Wiltshire, England, UK, August.

Rod Williams / Greenbottle flies (Lucilia sp) mating pair, Brockley, Lewisham, London, UK June

Doug Wechsler / Green bottle fly (Lucilia sp) pollinating white snakeroot, Philadelphia, USA October

Nick Upton / Two Greenbottles / Blowflies (Lucilia sp.) foraging on a ripe Blackberry (Rubus plicatus), GWT Lower Woods reserve, Gloucestershire, UK, July.

Rod Williams / Greenbottle (Lucilia sp) on Everlasting sweet pea flower, Brockley Cemetery, Lewisham, London, England, August.

Rod Williams / Greenbottles (Lucilia Sp) mating pair showing colour variation, Ladywell Fields, Lewisham, London, England, UK. April

Alex Hyde / Greenbottle (Lucilia caesar) Peak District National Park, Derbyshire, UK. July.

MYN / Pierre Escoubas / Blow fly / greenbottle (Lucilia sp) Valbonne, France, July. Meetyourneighbours.net project.

Robin Chittenden / Greenbottle Fly (Lucilia sp) on leaf, England, UK, July.

Stephen Dalton / Green bottle (Lucilia sp) on faeces, Sussex, England, UK, August.

Rod Williams / Greenbottles (Lucilia sp) feeding on dog faeces Lewisham, London, England, UK, September.

Rod Williams / Greenbottles (Lucilia sp) feeding on dog faeces Lewisham, London, July

Rod Williams / Female Greenbottle (Lucilia sp) Lewisham, London, May

Rod Williams / Greenbottle / Blowfly (Lucilia caesar) on leaf, South London, UK, August

Rod Williams / Greenbottle / Blowfly (Lucilia caesar) on leaf, South London, UK, October

Rod Williams / Greenbottle (Lucilia sp) South London, UK, August

Nick Upton / Close up of Greenbottle / Blowfly (Lucilia sp.) inspecting a dead mole, before laying eggs on it. Wiltshire garden, UK, June.

Nick Upton / Greenbottle / Blowfly (Lucilia sp.) inspecting a dead mole, before laying eggs on it. Wiltshire garden, UK, June.

Nick Upton / Portrait of Greenbottle / Blowfly (Lucilia sp) standing on rose leaf. Wiltshire garden, UK, June.

Nick Upton / Greenbottle / Blowfly (Lucilia sp.) at rest on rose leaf, Wiltshire garden, UK, June.

Nick Upton / Greenbottle / Blowfly (Lucilia sp.) inspecting a dead mole, before laying eggs on it. Wiltshire garden, UK, June.

Nick Upton / Greenbottle / Blowfly (Lucilia sp.) inspecting a dead mole, before laying eggs on it. Wiltshire garden, UK, June.

Andy Sands / Greenbottle (Lucilia caesar) resting on leaf, Hertfordshire, England, UK

Stephen Dalton / Greenbottle fly {Lucilia sp} taking off, UK

Stephen Dalton / Blowfly {Lucilia caesar} feeding on a piece of salami, UK

Stephen Dalton / Greenbotle fly {Lucilia sp} feeding on Fleabane flower, UK

Stephen Dalton / Blowfly {Lucilia caesar} feeding on a piece of salami, UK

Stephen Dalton / Greenbottle fly {Lucilia sp} taking off, UK

Rolf Nussbaumer / Green Bottle Fly, Lucilia / Phaenicia sericata} adult, Hill Country, Texas, USA

Doug Wechsler / Blow Fly {Lucilla sp} Pennsylvania, USA

Philippe Clement / Greenbottle fly (Lucila sp) eggs on dead Red squirrel (Sciurus vulgaris) Belgium

Philippe Clement / Greenbottle {Lucilia sp} eggs on dead Red squirrel {Sciurus vulgaris}, Belgium

Kim Taylor / Greenbottle Fly {Lucilia sp} on tree bark.

Kim Taylor / Greenbottle fly eggs {Lucilia sp} on dead Rabbit fur. UK.

Philippe Clement / Blowflies / Greenbottles feeding on dead bird {Lucilia caesar} France

Kim Taylor / Giant Greenbottle Fly (Lucilia sp) Western Australia. Captive

Heidi & Hans-Juergen Koch / Greenbottle Fly (Lucilia caesar) mass of newly hatched flies on cocoons, worldwide distribution

Heidi & Hans-Juergen Koch / Greenbottle Fly (Lucilia caesar) close-up of compound eye, worldwide distribution

Heidi & Hans-Juergen Koch / Greenbottle Fly (Lucilia caesar) mass of newly hatched flies, worldwide distribution

Scott Leslie / Greenbottle Fly (Lucilia sericata) pollinating a daisy, Nova Scotia, Canada

Premaphotos / Greenbottle fly / Blowfly (Lucilia caesar) on a rotting apple, UK

Premaphotos / Greenbottle fly maggots (Lucilia sp) on a dead rabbit, UK

Premaphotos / Greenbottle fly / Blowfly (Lucilia caesar) on a dead pigeon, UK

Premaphotos / Bluebottle fly (Calliphora vicina) left, and Greenbottle fly {Lucilia sp} right, on the corpse of a baby Pigeon. UK

Michael Hutchinson / Flower crab spider (Misumena vatia) female, on flower clutching Greenbottle fly (Lucilia sericata) prey, Bristol, UK. June. Focus stacked.

Michael Hutchinson / Flower crab spider (Misumena vatia) female, on flower clutching Greenbottle fly (Lucilia sericata) prey, Bristol, UK. June.

Neil Aldridge / Close up of domestic cattle (Bos taurus) noses surrounded by flies, Cornwall, England, UK, October.

Neil Aldridge / Close up of domestic cattle (Bos taurus) noses surrounded by flies, Somerset, England, UK, August.

Neil Aldridge / Close up of Domestic Cattle (Bos taurus) faces surrounded by flies, Somerset, England, UK, August.

Neil Aldridge / Close up of domestic cattle (Bos taurus) chewing whilst surrounded by flies, Somerset, England, UK, August.

Phil Savoie / Greenbottle fly (Lucilia sericata), Monmouthshire, Wales, UK, February.

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

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

Doug Wechsler / Blow fly (Lucilia) Wissahickon Valley Park, Pennsylvania, USA, September.